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high advisory

QuickFox Supply Chain Attack and FDMTP Implant Deployment

Threat actors compromised QuickFox software supply chain to distribute trojanized Windows installers, resulting in the installation of a custom FDMTP implant for persistent access.

supply-chain-attack implant windows fortiguard
1t
high advisory

Privilege Escalation in Razer RzUpdateService

A local privilege escalation vulnerability in Razer RzUpdateService version 1.10.14.0 allows local attackers to manipulate the Named Pipe Handler to gain unauthorized privileges.

RzUpdateService privilege-escalation windows vulnerability
1t 1c
high advisory

Local Privilege Escalation in CheckMAL AppCheck Pro via Kernel Driver

A local privilege escalation vulnerability in the AppCheckD.sys driver of CheckMAL AppCheck Pro version 3.1.43.10 allows attackers to perform uncontrolled search path manipulation.

AppCheck Pro privilege-escalation windows kernel-driver
1t 1c
low advisory

Detection of SSH Reverse Port Forwarding on Windows

Adversaries are abusing native Windows OpenSSH and Plink binaries to establish unauthorized reverse SSH tunnels, bypassing inbound connectivity controls for C2 and lateral movement.

OpenSSH +1 command-and-control lateral-movement proxy tunneling windows
1r 3t
medium advisory

Suspicious Cross-User Process Spawning Behavior

Detection of common user-space applications being spawned under different user contexts, which often indicates privilege escalation testing or sacrificial process execution.

privilege-escalation stealth windows process-creation
1r 2t
medium advisory

Detection of Suspicious Offline Registry Library Usage

Detection of unauthorized processes loading offreg.dll to perform direct registry hive modification, potentially bypassing standard Windows Registry auditing.

defense-impairment persistence windows telemetry-bypass
1r 1t
medium advisory

Detection of Suspicious Explicit Credential Local Logon

Detection logic for monitoring Windows Event ID 4648 to identify potential privilege escalation through unauthorized explicit credential usage.

windows security-auditing privilege-escalation
1r 1t
critical advisory

Heap-based Buffer Overflow in FreeRDP Windows Clipboard Client

A heap-based buffer overflow in FreeRDP versions 3.29.0 and earlier allows a malicious RDP server to execute an out-of-bounds write in the memory of a paste consumer process when handling clipboard file transfers.

FreeRDP vulnerability remote-access windows rdp
1c
high advisory

Suspicious Windows Public IP Address Discovery via DNS

Adversaries frequently use public IP lookup services to perform network reconnaissance and verify egress connectivity prior to establishing C2 channels, a behavior detectable via DNS query analysis from suspicious processes.

discovery c2 windows reconnaissance
1r 1t 33i
high threat

Astaroth Botnet Deploys New WhatsApp Web Spambot Component

Operators of the Astaroth (aka Guildma) botnet, which targets Brazil-based users, introduced a new spambot component in Q4 2025 that leverages WhatsApp Web in headless browser mode for malware distribution, exhibiting evasion techniques like payload encryption and WebDriver automation indicator stripping.

Windows +5 Astaroth botnet malware spambot latin-america
1r 9t 8i updated
low advisory

Unusual Windows User Privilege Elevation Activity

An Elastic machine learning rule detects atypical user context switching on Windows systems, leveraging tools like 'runas,' which may indicate account takeover or privilege escalation, prompting defenders to investigate user accounts, activity timestamps, and source devices for potential compromise.

endpoint windows threat-detection machine-learning privilege-escalation
2t
low advisory

Detection of Unusual Windows Services via Machine Learning

This threat involves the detection of unusual Windows services, which can indicate unauthorized service execution, malware, or persistence mechanisms, with a machine learning job identifying atypical services by comparing them against known legitimate patterns to aid in early threat detection and response.

machine-learning-detection persistence execution windows endpoint
2t
low advisory

Anomalous Windows Process Creation Detected by Machine Learning

Elastic Security's machine learning rule `v3_windows_anomalous_process_creation_ea` detects unusual parent-child process relationships on Windows systems, indicating potential malware execution or persistence mechanisms and allowing for early detection of new or emerging threats that bypass traditional antivirus.

endpoint windows machine-learning persistence execution anomaly-detection
2t
low advisory

Unusual Process Detection for Windows Hosts via Machine Learning

An Elastic Security machine learning rule detects rare and unusual processes on individual Windows hosts, indicating potential unauthorized services, malware execution, or persistence mechanisms.

endpoint windows machine-learning persistence threat-detection
2t
low advisory

Unusual Windows Process Accessing Cloud Instance Metadata Service

An Elastic machine learning rule detects anomalous access to the cloud instance metadata service by unusual Windows processes, indicating potential credential harvesting or sensitive data extraction by adversaries within cloud environments.

credential-access discovery cloud windows machine-learning endpoint
2t
low advisory

Parent Process Detected with Suspicious Windows Process(es)

Elastic's machine learning models detect clusters of suspicious Windows processes that share a common parent process and exhibit unusually high malicious probability scores, aiming to uncover stealthy attacks, including those leveraging Living off the Land Binaries (LOLBins) and masquerading techniques, which might otherwise evade traditional detection methods.

endpoint windows machine-learning defense-evasion lolbins masquerading investigation-guide
2t
low advisory

Host Detected with Suspicious Windows Processes via Machine Learning

Elastic's machine learning job, utilizing the ProblemChild supervised model and unsupervised techniques, detects Windows hosts exhibiting clusters of suspicious processes with unusually high malicious probability scores, often indicative of defense evasion through Living Off The Land Binaries (LOLbins) and masquerading techniques.

Elastic Defend +6 defense-evasion masquerading lolbins machine-learning windows ml-detection endpoint-security
2t
low advisory

Unusual Process Spawned by a User Detected by ML

A machine learning job from Elastic's ProblemChild integration detects suspicious Windows processes, classified as malicious by a supervised ML model and anomalous due to unusual user contexts identified by an unsupervised ML model, indicating potential misuse of LOLbins or masquerading tactics for defense evasion.

problemchild +6 Endpoint Windows Elastic Defend Elastic Endgame Living off the Land Attack Detection ML Machine Learning Defense Evasion +1
2t
low advisory

Unusual Host Name for Windows Privileged Operations Detected

Elastic's machine learning detection rule identifies anomalous privileged operations by a user from an uncommon device within Windows environments, indicating potential compromised accounts, stolen credentials, or insider threats escalating privileges, which can lead to unauthorized access and system compromise.

machine-learning-detection privilege-escalation defense-evasion windows
2t
low advisory

Unusual Process Writing Data to an External Device Detected by Machine Learning

Elastic's Data Exfiltration Detection integration leverages machine learning to identify rare processes writing data to external devices, indicating potential data exfiltration by adversaries using benign-looking processes.

Elastic Defend +15 exfiltration machine-learning elastic-defend endpoint lateral-movement rdp anomaly-detection privilege-escalation +29
22t
medium advisory

Credential Manager Access By Uncommon Applications

A SigmaHQ detection rule identifies suspicious processes accessing Windows credential manager and vault files, potentially indicating credential theft by tools like Mimikatz, enabling lateral movement and data exfiltration.

credential-theft mimikatz dpapi windows post-exploitation
1r 1t
low advisory

Uncommon Process Loading RstrtMgr.DLL for Malicious Purposes

Attackers, including ransomware families like Conti and Cactus, and wipers such as BiBi, abuse the legitimate Windows `RstrtMgr.dll` (Restart Manager) by loading it into uncommon processes to terminate applications, including security software and those holding locks on files, facilitating data encryption or destruction.

Windows defense-evasion impact ransomware wiper
1r 2t
medium advisory

Suspicious System Process Names in Unusual File Locations

This brief detects an attacker's attempt to evade detection and maintain persistence by creating executable files with names identical to legitimate Windows system processes in non-standard directories, a tactic associated with stealth and defense evasion.

stealth defense-evasion persistence windows file-event
1r 1t
medium advisory

Suspicious Access to Windows DPAPI Master Keys by Uncommon Applications

Adversaries can access Windows Data Protection API (DPAPI) master keys using uncommon applications like Mimikatz to decrypt user credentials and sensitive data, indicating credential theft activities.

dpapi credential-theft mimikatz windows credential-access
1r 1t
high threat

Mirage Kitten Targets Middle East and Africa with New Malware

Mirage Kitten, an advanced persistent threat (APT) group, is deploying new Windows backdoor (NightLedger) and WebSocket tunnelers (ArcBridge, BridgeHead) via spear-phishing campaigns to conduct cyber-espionage and data exfiltration against aerospace, aviation, defense, and telecommunications sectors in the Middle East and Europe.

Windows Mirage Kitten cyber-espionage apt malware backdoor tunneler dll-hijacking websocket spear-phishing
4r 13t 3i
high advisory

Svchost LOLBAS Execution Process Spawn

This brief details the detection of `svchost.exe` spawning Living Off The Land Binaries and Scripts (LOLBAS) processes, indicating potential malicious code execution, privilege escalation, or persistence attempts by adversaries within a Windows environment.

Windows lolbas execution persistence lateral-movement system-binary-proxy-execution
1r 2t
medium threat

Detection of Unauthorized WinSCP Credential Access

This analytic detects unauthorized access to the WinSCP security configuration folder, which stores sensitive SSH and FTP credentials, by processes other than WinSCP, leveraging Windows Security Event 4663 to identify abnormal read or access attempts often indicative of credential-stealing malware like Phantom Stealer.

WinSCP Phantom Stealer credential-theft infostealer windows
1r 1t 2i
medium advisory

Abuse of MSIExec for Remote File Download and Execution

This brief details the abuse of the Windows utility msiexec.exe by attackers to download and execute remote files via HTTP or HTTPS URLs, often leading to unauthorized code execution, system compromise, or further malware deployment.

windows living-off-the-land proxy-execution defense-evasion
1r 2t
medium advisory

Windows AppCertDLL Modification for Persistence and Privilege Escalation

Attackers can modify Windows AppCertDLL registry keys via command-line utilities to achieve persistence and privilege escalation by registering malicious DLLs to be loaded early in the system startup process.

persistence privilege-escalation windows
1r 2t
medium advisory

Detection of Local LLM Framework DNS Queries

This brief details the detection of DNS queries originating from local Large Language Model (LLM) frameworks like Ollama, LM Studio, and GPT4All on Windows endpoints, leveraging Sysmon Event ID 22 to identify potential unauthorized AI tool usage or data exfiltration risks associated with model downloads, updates, and telemetry from repositories such as huggingface.co and ollama.ai.

Claude +16 local-llm shadow-ai dns-monitoring data-exfiltration policy-violation windows endpoint-security
1r 3t 18i
medium advisory

Detection of Local LLM Model File Creation on Endpoints

This brief describes how the creation of Large Language Model (LLM) files, including formats like .gguf, .safetensors, .ggml, and Modelfiles, by local AI inference frameworks such as Ollama, llama.cpp, GPT4All, and LM Studio can be detected on Windows endpoints, indicating potential shadow AI deployments, unauthorized model downloads, or rogue LLM infrastructure which poses data exfiltration risks and policy violations.

Ollama +9 shadow-it llm data-exfiltration policy-violation endpoint shadow-ai local-llm intellectual-property-theft +2
2r 5t
high advisory

Web Server Outbound Connections to File Sharing Services

Attackers compromise web servers (Apache, Nginx, Tomcat, PHP) and leverage them to make unexpected outbound network connections to public file-sharing or content hosting services, indicating post-exploitation activity for ingress tool transfer and further compromise.

Apache HTTP Server +3 post-exploitation ingress-tool-transfer webshell web-server c2 windows
1r 2t 26i
high advisory

Detection of Attacker Tools on Endpoints

This analytic detects the execution of tools commonly used by attackers for activities such as unauthorized access, network scanning, privilege escalation, password dumping, or data exfiltration, leveraging process activity data from Endpoint Detection and Response (EDR) agents to identify known attacker tool names.

Sysmon +6 attacker-tools endpoint-detection post-exploitation EDR windows
1r 3t
high advisory

Network Communication With Crypto Mining Pools

Crypto mining malware, often deployed by various threat actors, connects to designated mining pools to perform unauthorized cryptocurrency mining, leading to significant system performance degradation and illicit resource consumption.

cryptojacking resource-hijacking malware network-connection windows
1r 1t 315i
low advisory

Detection of Rare PowerShell Scripts on Windows Systems

Elastic's machine learning job detects rare PowerShell script executions on Windows hosts, identified by their script block hash, indicating potential malware activity or persistence mechanisms that deviate from an established baseline.

Kibana 9.4.0+ +4 windows machine-learning powershell execution threat-detection
1t updated
low advisory

Suspicious Powershell Script Detected by ML

An Elastic machine learning job detects anomalous PowerShell script behavior, specifically focusing on unusual data characteristics like obfuscation, indicating potential malicious scripts adversaries use for execution and defense evasion on Windows systems.

PowerShell endpoint windows threat-detection machine-learning execution investigation-guide
2t updated
low advisory

Spike in User Account Management Events

Elastic Security's machine learning rule detects an unusual spike in Windows user account management events, including account creation, modification, or deletion, indicating potential privilege escalation or unauthorized activity by an adversary.

Privileged Access Detection integration +7 privileged-access-detection machine-learning anomaly-detection windows account-management privilege-escalation persistence
5t updated
medium advisory

Malware Employs Web Services for Victim IP Reconnaissance

Malware, including Trickbot and various stealers, utilizes DNS queries to public IP checking web services for reconnaissance purposes, aiming to determine the victim's external IP address, which can facilitate further attacks or lateral movement.

reconnaissance malware dns-query windows
1r 1t 27i
medium advisory

Windows DNS Query Request by Telegram Bot API

An analytic detects DNS queries to `api.telegram.org` originating from non-Telegram processes on Windows systems, indicating potential malware command and control (C2) communication or data exfiltration via the Telegram Bot API.

command-and-control malware windows c2 dns telegram
1r 2t 1i
medium advisory

Windows Curl Download to Suspicious Path Detection

This analytic detects the use of Windows Curl.exe to download files to suspicious locations, such as AppData, ProgramData, or Public directories, leveraging Endpoint Detection and Response (EDR) data by focusing on command-line executions that include the -O or --output options; this activity is significant as it can indicate an attempt to bypass security controls or establish persistence, potentially leading to unauthorized code execution, data exfiltration, or further system compromise.

Windows endpoint command-and-control defense-evasion
1r 1t updated
medium advisory

Windows Autostart Execution in Startup Folder for Persistence

Adversaries leverage the Windows %startup% folder to establish persistence by creating malicious files that execute automatically upon system boot or user logon, potentially leading to system compromise and unauthorized access.

persistence autostart windows detection
1r 1t
high advisory

Detection of Registry Keys Used for Persistence

This brief outlines a detection strategy for identifying modifications to Windows registry keys commonly used for persistence, including Run, Winlogon, and Image File Execution Options, enabling detection engineers to alert on unauthorized system startup entries for malicious code execution to prevent persistent access.

Splunk Enterprise +3 persistence registry windows endpoint malware
1r 1t
high advisory

CastleLoader Malware Loader and ClearFake Activity in July 2026

Red Canary reports heightened activity of the CastleLoader malware loader, which uses paste-and-run techniques and legitimate tools to deliver infostealers and RATs, alongside continued prevalence of the ClearFake activity cluster in June 2026.

malware loader infostealer remote-access-trojan paste-and-run drive-by download windows
3r 7t 7i
critical threat

Microsoft Addresses Two Actively Exploited Zero-Day Vulnerabilities in July 2026 Patch Tuesday

Microsoft's July 2026 Patch Tuesday addressed 622 vulnerabilities, including two actively exploited zero-day elevation of privilege flaws, CVE-2026-56155 in Active Directory Federation Services and CVE-2026-56164 in SharePoint, allowing local and remote attackers to gain administrative control.

exploited PoC Active Directory Federation Services +23 patch-tuesday zero-day vulnerability microsoft windows sharepoint active-directory-federation-services bitlocker +2
8t 4c 8i updated
medium advisory

LG Monitors Auto-Install Adware-Like App on Windows PCs

Connecting certain LG monitors to Windows PCs triggers Windows Update to automatically install the 'LG Monitor App Installer' without user consent, which then runs at system startup and frequently displays advertisements for McAfee antivirus trials.

LG Monitor App Installer +2 unwanted-software adware privacy-violation windows lg
1t
high advisory

Unpacking 'Cruciferra': Analysis of a Sophisticated Crypter Service

Cruciferra is a sophisticated crypter-as-a-service, written in Mono, actively developed and sold to multiple cybercriminal threat actors who use it to deliver a wide range of remote access trojans and infostealers, employing extensive defense evasion techniques like BYOVD-based EDR tampering, Process Ghosting, and unique cryptographic obfuscation via email-based phishing campaigns.

crypter malware-as-a-service defense-evasion remote-access-trojan infostealer windows
1r 10t 11i
high threat

UAC-0145 Uses ClickFix CAPTCHAs to Distribute Data-Stealing Malware

Russian state-sponsored threat actor UAC-0145 (Sandworm sub-cluster) is actively targeting Ukrainian organizations by using fake ClickFix CAPTCHAs on compromised websites to trick users into executing malicious PowerShell commands, leading to the deployment of data-stealing malware on Windows and Android devices.

UAC-0145 malware state-sponsored data-theft social-engineering windows android ukraine backdoor
2r 9t
high advisory

CVE-2026-63093: Binary Planting Vulnerability in Cursor for Windows

CVE-2026-63093 describes a binary planting vulnerability in Cursor for Windows version 3.2.16 that allows a remote attacker to achieve arbitrary code execution by placing a malicious `git.exe` file in a crafted repository's root, which the Cursor IDE automatically executes during startup or on a recurring cadence when a developer opens the repository, running the malicious binary under the privileges of the current user.

Cursor for Windows 3.2.16 binary-planting ide vulnerability execution windows
1r 3t 1c
medium advisory

Suspicious Child Process Execution via Azure VM CustomScript Extension

Attackers with access to an Azure subscription or VM management plane can leverage the Azure VM CustomScript extension to execute arbitrary code with SYSTEM privileges on Windows virtual machines, leading to various malicious activities such as reconnaissance, malware deployment, and persistence.

Azure Virtual Machines CustomScript Extension windows execution cloud-to-host azure lolbin
1r 4t
high threat

UAT-11795 Deploys Starland RAT and WLDR Agent via Trojanized Software

UAT-11795, a sophisticated and financially motivated Russian-speaking threat actor, targets users in the U.S. and Europe with trojanized software installers to deploy custom Python-based Starland RAT and an in-memory PowerShell WLDR agent for credential theft and cryptocurrency exfiltration.

exploited Webex +2 UAT-11795 financially-motivated rat c2 trojan windows python powershell
2r 6t
high advisory

CVE-2026-9046: Insecure Permissions in Lenovo Legion Zone and App Store Leads to Local Arbitrary Code Execution

CVE-2026-9046 describes an insecure permissions vulnerability in Lenovo's Legion Zone and Lenovo App Store Windows applications, distributed exclusively in the Chinese market, which, when installed on a non-system partition, allows a local low-privileged user to execute arbitrary code, leading to high impact on confidentiality, integrity, and availability.

Legion Zone +1 insecure-permissions local-privilege-escalation windows arbitrary-code-execution
2t 1c
high advisory

HelloNet Campaign Uses ViPNet Update System for Malicious Module Delivery

An unknown sophisticated threat actor is leveraging DLL sideloading within the ViPNet update system to deploy a multi-stage malware suite, including HelloInjector, HelloProxy, HelloExecutor, HelloCleaner, and HelloBackdoor, to establish persistence, exfiltrate data, and maintain covert access to large Russian organizations in government, energy, and other critical sectors.

ViPNet Update System apt dll-sideloading persistence proxy c2 reconnaissance data-exfiltration russia +1
3r 11t 1i
high advisory

Windows Bind Link Attacks Can Hide Malware From EDR Tools

Bitdefender researchers revealed how attackers can exploit Windows bind links, a legitimate operating system feature, to create conflicting filesystem views that conceal malware from endpoint detection and response (EDR) tools and other security mechanisms, enabling post-compromise evasion despite requiring administrative privileges.

Windows defense-evasion edr-evasion filesystem
3t
high advisory

Potential Ransomware Note File Dropped via SMB

Elastic has released a detection rule to identify the creation of ransomware note files by the Windows System process (PID 4) via the SMB protocol, indicating a remote ransomware attack often leveraging lateral movement to perform data encryption, destruction, or inhibit system recovery.

Elastic Defend ransomware smb windows impact lateral-movement
1r 4t
high advisory

Suspicious File Renaming via SMB Indicating Remote Ransomware Activity

This threat brief details a high-severity detection rule that identifies remote ransomware activity on Windows systems, leveraging SMB to initiate rapid, high-entropy file renames by the System process (PID 4) on user-owned files, which often signifies data encryption for impact.

ransomware impact lateral-movement windows endpoint
1r 4t
medium advisory

Citrix Secure Access Client for Windows Vulnerabilities Lead to Privilege Escalation and Information Disclosure

Multiple vulnerabilities in Citrix Systems Secure Access Client for Windows can be exploited by a local attacker to achieve privilege escalation and information disclosure on affected Windows systems.

Secure Access Client for Windows vulnerability privilege-escalation information-disclosure windows
2t
high advisory

RabbitMQ Management UI UNC SSRF Vulnerability (CVE-2026-57211) on Windows

CVE-2026-57211 details a Server-Side Request Forgery (SSRF) vulnerability within the RabbitMQ management UI when deployed on Windows, enabling an attacker to coerce the server into making requests to arbitrary UNC paths, potentially leading to NTLM credential disclosure or internal network reconnaissance.

RabbitMQ management UI vulnerability ssrf rabbitmq windows msrc
1c
high advisory

Adobe Creative Cloud Desktop Vulnerability Allows Arbitrary Code Execution via Uncontrolled Search Path

An Uncontrolled Search Path Element vulnerability (CVE-2026-48272) in Adobe Creative Cloud Desktop versions up to 6.9.1.1 could allow arbitrary code execution in the context of the current user, requiring no user interaction but dependent on conditions beyond the attacker's full control.

Creative Cloud Desktop arbitrary-code-execution vulnerability adobe windows macos
1t 1c
critical advisory

TidGi Desktop Remote Code Execution via Malicious TiddlyWiki Repository Import

A critical remote code execution (RCE) vulnerability exists in TidGi Desktop through version 0.13.0, allowing attackers to execute arbitrary code with full Node.js access by tricking victims into importing a specially crafted TiddlyWiki Git repository, leveraging the automatic execution of 'startup' modules during the wiki boot sequence.

TidGi Desktop 0.13.0 rce vulnerability initial-access execution windows macos linux
1r 3t 4i
high threat

JetBrains IntelliJ IDEA Vulnerability Allows Code Execution

A remote, anonymous attacker can exploit an unspecified vulnerability in JetBrains IntelliJ IDEA to achieve arbitrary code execution, enabling them to execute arbitrary program code on the affected system.

IntelliJ IDEA Anonymous Attacker remote-code-execution vulnerability development-tools windows linux macos
2t
medium advisory

Wget Vulnerability Allows Security Bypass and Server-Side Request Forgery

A local attacker can exploit a vulnerability in wget to bypass existing security measures and perform a Server-Side Request Forgery (SSRF) attack, enabling requests to internal or restricted resources from the local system.

wget ssrf vulnerability local-privilege-escalation linux macos windows defense-evasion
1t
high advisory

CVE-2026-9492 - Improper Access Control in Gigabyte Control Center MBStorage Module

An Improper Access Control vulnerability (CVE-2026-9492) in the MBStorage DRAM lighting control module of Gigabyte Control Center (GCC) allows authenticated local attackers to achieve kernel-level privileges by sending specific IOCTL commands to the `MyPortIO_x64.sys` driver, enabling arbitrary physical memory read/write.

Gigabyte Control Center +1 privilege-escalation vulnerability windows driver-vulnerability local-privilege-escalation
1t 1c
high advisory

Tencent PC Manager QMUDisk Driver Uncontrolled Search Path Vulnerability (CVE-2026-15515)

A high-severity uncontrolled search path vulnerability (CVE-2026-15515) in the `qmudisk64.sys` component of Tencent PC Manager 18.1.30242.301 allows a local attacker to execute arbitrary code with elevated privileges, despite high complexity and difficult exploitability, due to public exploit disclosure.

Tencent PC Manager cve vulnerability privilege-escalation windows
1c
high advisory

Multi-Group Espionage Targets Pakistani Law Enforcement via Weaponized Police Portal

Suspected China- and India-aligned threat actors conducted sustained cyber espionage campaigns between February 2024 and April 2026, compromising Pakistani law enforcement organizations' web applications, network appliances, and email gateways, including the Balochistan Police's Complaint Management System to deploy malware like PlugX, ShadowPad, Cobalt Strike, Remcos RAT, a Rust stager (cms_plugin.exe), and AsyncRAT.

FortiMail +2 cyber-espionage nation-state malware rat windows
3r 5t 5i
medium advisory

OpenSSH sshd GSSAPI Behavior Vulnerability CVE-2026-59998

CVE-2026-59998 describes an undocumented security-relevant behavior in sshd, a component of OpenSSH, specifically in versions prior to 10.4, where the GSSAPIStrictAcceptorCheck setting reportedly has no value when the server is operating within a Windows Active Directory environment.

sshd in OpenSSH < 10.4 +1 vulnerability openssh gssapi active-directory windows misconfiguration
1c
critical advisory

BabelDOC Arbitrary Code Execution via CMap Pickle Deserialization

An arbitrary code execution vulnerability exists in BabelDOC's vendored PDF parser (`babeldoc/pdfminer/cmapdb.py`) due to insecure deserialization of untrusted pickle data, allowing an attacker to craft a PDF with a specially encoded '/Encoding' name containing an absolute path that bypasses directory restrictions, leading to deserialization and execution of a malicious '.pickle.gz' file on the local filesystem with the privileges of the BabelDOC process.

BabelDOC <= 0.6.2 code-execution deserialization pdf python path-traversal python linux windows
2t
medium advisory

Potential System DLL Sideloading From Non System Locations

This brief describes a common defense evasion technique where malicious actors bypass security controls by loading legitimate system DLLs from non-standard directories, enabling arbitrary code execution within trusted processes.

Windows dll-sideloading defense-evasion execution
1r 3t
high advisory

AI-Coded Malware Used for Active Directory Enumeration and Exfiltration

A threat actor was observed in early June 2026 using AI-generated PowerShell scripts for Active Directory enumeration and then deploying s5cmd for data exfiltration after gaining initial access via RDP, indicating a shift towards AI-augmented tradecraft for rapid and aggressive campaigns.

Windows Server +1 ai-generated-malware active-directory enumeration powershell data-exfiltration windows ransomware-precursor
3r 8t 7i
critical advisory

GigaWiper: Multi-Payload Destructive Backdoor

GigaWiper is a sophisticated, Golang-based destructive backdoor observed since October 2025 by Microsoft Threat Intelligence, that combines robust command-and-control (C2) capabilities with multiple destructive payloads, including physical disk wiping, ransomware-like encryption derived from Crucio, and multi-pass secure wiping reimplemented from FlockWiper.

Windows wiper destructive backdoor ransomware golang
3r 6t 2i
high advisory

CVE-2026-14191 WinRAR / UnRAR RAR5 recovery-volume (.rev) out-of-bounds heap write in RecVolumes5::ReadHeader

CVE-2026-14191 describes an out-of-bounds heap write vulnerability in WinRAR and UnRAR when processing RAR5 recovery volumes (.rev), allowing an unauthenticated attacker to achieve remote code execution on a victim's system by tricking a user into opening a specially crafted archive.

WinRAR +1 cve vulnerability archive client-side windows
1c
high threat

System File Execution Location Anomaly

This brief describes the detection of Windows system binaries executing from uncommon locations, a defense evasion and stealth technique employed by various threat actors including Lazarus Group and Sidewinder APT, indicating potential malicious activity on an endpoint.

Windows Lazarus Group +5 defense-evasion stealth execution process-anomaly
1r 4t updated
medium advisory

Detection of Failed WMI Event Log Clear Attempts

This brief details the detection of failed attempts by an adversary to clear Windows event logs using the WMI `ClearEventLog` method, indicating an unsuccessful defense impairment action due to insufficient privileges or other issues.

defense-evasion host-activity windows
1r 1t
medium threat

CVE-2026-0278 Prisma Access Agent: Multiple DLP Policy Bypass Vulnerabilities on Windows

CVE-2026-0278 describes multiple protection mechanism failures in the Prisma Access Agent's Data Loss Prevention (DLP) component for Windows, allowing a local user to bypass DLP policy enforcement controls and exfiltrate sensitive data on affected versions prior to 26.2.1.

exploited Prisma Access Agent < 26.2.1 cve vulnerability dlp bypass windows defense-evasion
1t
high threat

Armored Likho APT Leverages BusySnake Stealer with AI-Generated Loaders and Phishing

The Armored Likho APT group is conducting a spear-phishing campaign against government and energy sectors in Russia, Kazakhstan, and Brazil, using AI-generated loaders and the Python-based BusySnake Stealer to exfiltrate credentials and sensitive data.

Armored Likho apt infostealer phishing python windows government energy
2r 10t
high advisory

Multiple Vulnerabilities in Foxit PDF Editor and Reader

Multiple critical vulnerabilities, including CVE-2026-13126 and CVE-2026-13127, have been discovered in Foxit PDF Editor and Reader for Windows and macOS, enabling a remote attacker to achieve arbitrary code execution, elevate privileges, and compromise data confidentiality if users open a crafted malicious PDF document.

PDF Editor +3 client-side-exploitation document-exploit pdf rce privilege-escalation data-exfiltration windows macos
3t 5c
high advisory

Understanding ClickOnce Technology Abuse: Part 1

Threat actors are abusing Microsoft's ClickOnce deployment technology to spread malware, allowing malicious applications to be deployed easily with minimal user interaction and without requiring administrative privileges, ultimately delivering malicious payloads onto user endpoints.

ClickOnce technology +4 clickonce malware-delivery windows endpoint
2t updated
high advisory

New Abuse of the ClickOnce Technology, Part 2: Stop Threat Actors from Clicking Once and Staying Forever

Threat actors are actively exploiting Microsoft's ClickOnce deployment technology, leveraging its low user interaction, lack of privilege requirements, and built-in update mechanisms to deliver malware, establish persistence, and maintain remote access, often executing payloads within legitimate rundll32.exe and dfsvc.exe processes.

PoC ClickOnce +11 microsoft persistence delivery windows endpoint
2r 7t 26i updated
medium advisory

New Abuse of ClickOnce Technology: Understanding Internals

CrowdStrike details the internal mechanisms of Microsoft's ClickOnce technology, a legitimate software deployment method that offers minimal user interaction and no administrative privilege requirements, making it a double-edged sword with significant potential for threat actor abuse in malware distribution and persistence.

.NET Framework +1 clickonce windows deployment-technology abuse-of-feature defense-evasion execution
2t
medium advisory

AI Agents Mimic Adversarial Behavior, Triggering Security Detections

AI coding agents such as Claude Code, Cursor, Codex, and GStack are increasingly exhibiting behaviors on Windows endpoints that mimic adversarial tradecraft, including credential access, LOLBin usage for ingress, command-line obfuscation, and persistence mechanisms, thereby triggering existing security detection rules designed for malicious activity and posing significant false positive challenges for detection engineers.

Claude Code +9 ai detection-engineering false-positive windows behavioral-detection
9t 9i
high advisory

CVE-2026-57851 — MSI Feature Manager Kernel Driver Local Privilege Escalation

A local privilege escalation vulnerability (CVE-2026-57851) exists in the MSI Feature Manager's KernCoreLib64.sys kernel driver that allows any local user to perform arbitrary physical memory read/write and unrestricted I/O port operations by accessing exposed IOCTL handlers without requiring administrator privileges, enabling manipulation of kernel objects, tampering with kernel-mode callbacks, bypassing Protected Process Light, and disabling security software.

MSI Feature Manager privilege-escalation vulnerability windows driver-vulnerability
1t 1c
high advisory

New Abuse of ClickOnce Technology: Stop Threat Actors from Clicking Once and Staying Forever

Threat actors are exploiting Microsoft's ClickOnce technology to achieve initial access, execute malicious payloads, and maintain persistence. This abuse leverages ClickOnce's user-friendly deployment, minimal privilege requirements, and built-in update mechanism to bypass traditional security defenses and execute malware stealthily within legitimate Microsoft processes like rundll32.exe. Adversaries achieve persistence by pushing malicious updates, or by placing ClickOnce shortcut files (.appref-ms) in the Windows Startup folder or configuring them as scheduled tasks.

ClickOnce +2 persistence initial-access defense-evasion remote-access microsoft windows
2r 5t
high advisory

ProtonVPN v4.4.1 Unquoted Service Path Vulnerability with Public Exploit

A local privilege escalation vulnerability (Unquoted Service Path) in ProtonVPN v4.4.1 has a public exploit, allowing a local attacker to execute arbitrary code with 'LocalSystem' privileges by placing a malicious executable in a specific directory, which is then launched by the vulnerable 'ProtonVPN Wireguard' service upon startup or restart.

ProtonVPN v4.4.1 privilege-escalation windows vulnerability
1r 1t
high advisory

Execution Of Non-Existing File via Process Ghosting

This brief details the Process Ghosting technique, an advanced evasion method leveraged by attackers to create and execute processes from files that no longer exist on disk, challenging traditional endpoint detection solutions and hindering forensic investigations.

evasion process-injection windows stealth
1r 2t
high advisory

Privileges Elevation via Parent Process PID Spoofing

Adversaries utilize parent process ID (PPID) spoofing on Windows systems to create elevated child processes, typically to SYSTEM privileges, thereby evading process monitoring defenses and facilitating privilege escalation.

Windows Operating System privilege-escalation ppid-spoofing windows evasion elastic-defend
1t
medium advisory

Suspicious DNS Queries to Remote Monitoring and Management Domains from Non-Browser Processes

This brief details the detection of DNS queries targeting commonly abused Remote Monitoring and Management (RMM) or remote access software domains, originating from non-browser processes, which is a common tactic for command and control, persistence, and lateral movement by threat actors.

01com +151 windows command-and-control endpoint rmm remote-access
1r 193i
high advisory

MEmu Android Emulator 9.2.7.0 Local Privilege Escalation

A local privilege escalation vulnerability (CVE-2026-36213) in MEmu Android Emulator 9.2.7.0 allows a low-privileged user to replace the 'MemuService.exe' binary due to insecure NTFS permissions, leading to arbitrary code execution with NT AUTHORITY\SYSTEM privileges upon service restart.

MEmu Android Emulator 9.2.7.0 privilege-escalation windows emulator lpe
2r 2t 1c 4i
high advisory

Rundll32 Remote Thread Injection by Malware

This brief details the use of rundll32.exe to create remote threads into other processes, a technique observed with malware like IcedID, enabling defense evasion, arbitrary code execution, privilege escalation, and data theft on Windows endpoints.

rundll32 remote-thread-injection icedid defense-evasion code-injection windows endpoint
1r 1t
medium advisory

Potential DNS Exfiltration via Excessive Chunked Queries

This brief details the technique of DNS exfiltration where threat actors use chunked DNS queries with subdomain labels following an 'index-payload.base_domain' pattern to exfiltrate data from compromised Windows hosts, allowing them to bypass volume-based detection and extract sensitive information.

exfiltration dns-tunneling data-exfiltration windows endpoint command-and-control
1r 2t
medium advisory

Suspicious Java Execution from User-Writable Paths with DNS Lookup

This brief describes the detection of suspicious `javaw.exe` execution on Windows systems by adversaries leveraging recently dropped or modified Java payloads from user-writable directories (e.g., `Users`, `ProgramData`, `Windows\Temp`) to establish command and control via immediate DNS lookups, thereby evading application control mechanisms.

java execution command-and-control windows endpoint
1r 3t
medium advisory

BadPatch Malware Using SMTP on Port 26 for Command and Control

The BadPatch malware family utilizes SMTP on TCP port 26 for covert command and control of Windows systems, an atypical port for SMTP, posing a significant risk of unauthorized access and data exfiltration.

command-and-control exfiltration network windows malware
1r 3t
medium advisory

Suspicious Activity: Multiple Remote Management Tool Vendors on Same Host

This brief describes a behavioral detection for Windows hosts where two or more distinct remote monitoring and management (RMM) or remote-access tools from different vendors are observed starting processes within an eight-minute window, indicating potential compromise, shadow IT, or attacker staging of redundant access.

Acronis Cyber Protect Connect +49 command-and-control remote-access-software rmm windows behavioral-detection
1t
high advisory

SMB (Windows File Sharing) Activity from the Internet

Detection rule identifies inbound Windows file sharing (SMB/CIFS) traffic originating from the Internet to internal hosts, posing a critical initial access risk due to potential exploitation of vulnerabilities like CVE-2017-0144 (EternalBlue).

SMB Server initial-access network windows smb vulnerability ms17-010
1r 4t 1c
medium advisory

First Time Seen Remote Monitoring and Management Tool Detection

Adversaries are leveraging legitimate Remote Monitoring and Management (RMM) and remote access tools on Windows endpoints for command-and-control, persistence, and execution, with detection focusing on the first observed instance of these tools on a host.

AA +132 command-and-control persistence execution rmm remote-access windows
1r 3t 5i
medium advisory

Detection of Sysmon Configuration Updates for Defense Evasion

This brief describes how to detect an attacker updating or replacing the Sysmon configuration with a bare bones one to avoid monitoring without completely shutting down the service, leveraging Sysmon's `-c` command-line option for defense impairment.

Sysmon windows defense-evasion defense-impairment
1r
high advisory

Suspicious File Download From File Sharing Domain Via Wget.EXE

This brief details a high-severity threat involving the use of `wget.exe` to download suspicious files from known file-sharing domains, a technique observed in campaigns by threat actors such as FIN7 and Mint Sandstorm, enabling initial malware delivery and subsequent system compromise.

execution malware-delivery command-and-control windows
1r 2t 36i
high advisory

Data Exfiltration via Curl to File-Sharing Websites

This brief details the use of `curl.exe` by an attacker on a compromised Windows host to exfiltrate sensitive data to public file-sharing services, leading to potential data loss and regulatory non-compliance.

data-exfiltration utility windows
1r 1t
high threat

Suspicious File Download From File Sharing Domain Via Curl.EXE

A high-severity threat involves the abuse of `curl.exe` on Windows systems to download potentially malicious files from various public file-sharing and content delivery network (CDN) domains, a technique observed in campaigns by threat actors such as FIN7, leading to further system compromise.

FIN7 +2 curl download file-sharing ingress-tool-transfer windows threat-hunting
1r 3t 36i
high advisory

Suspicious File Downloaded From File-Sharing Website Via Certutil.EXE

This brief details the use of the legitimate Windows utility `certutil.exe` by various threat actors to download malicious files from public file-sharing and code-hosting websites, facilitating further compromise and evasion on targeted systems.

Windows lolbin defense-evasion ingress-tool-transfer
1r 2t 35i
high advisory

Suspicious Download From File-Sharing Website Via Bitsadmin

This threat brief details the detection of adversaries leveraging the legitimate Windows Background Intelligent Transfer Service (BITSAdmin) utility to download malicious payloads from suspicious file-sharing and cloud storage domains, a technique commonly employed by ransomware groups and APTs for ingress tool transfer and stealthy execution.

living-off-the-land lolbas payload-delivery ingress-tool-transfer command-and-control windows
1r 4t 35i
high advisory

Suspicious Process Communication to File Sharing Domains from Unusual Folders

This brief details the detection of malicious processes executing from non-standard or temporary Windows directories that initiate network communication with public file-sharing or code repository domains, often indicative of data exfiltration or Command and Control (C2) activities by various threat actors.

exfiltration command-and-control windows malware detection-pattern
1r 2t
high advisory

Detection of Unauthorized Connections to Dead Drop Resolver Domains

This brief details the detection of malicious executables establishing network connections to legitimate popular websites, known as dead drop resolvers, to conduct covert command and control (C2) communications, allowing threat actors to evade traditional security controls and maintain persistent access for data exfiltration or further compromise.

command-and-control network-connection dead-drop-resolver windows
1r 1t
medium advisory

Unusual File Download From File Sharing Websites - File Stream

This brief details the detection of suspicious file types (batch, command, PowerShell scripts) downloaded from well-known public file and paste sharing domains, leveraging the `Zone.Identifier` Alternate Data Stream to signal potential malware delivery or covert data transfer, which could lead to system compromise and data exfiltration.

file-download delivery windows defense-evasion command-and-control execution
1r 3t
high advisory

Suspicious File Download from File Sharing Websites - Alternate Data Stream Detection

This brief details a high-severity detection aimed at identifying suspicious downloads of executable or script-like files from commonly abused file-sharing and pastebin domains, evidenced by the creation of a 'Zone.Identifier' Alternate Data Stream on Windows systems, a common initial access or payload delivery technique.

file-download malware initial-access defense-evasion windows
1r 1t
high advisory

BITS Transfer Job Downloads from File Sharing Domains

Adversaries leverage the Windows Background Intelligent Transfer Service (BITS) to download malicious payloads from legitimate file-sharing and cloud storage domains, enabling stealthy ingress of tools and malware onto compromised systems, a technique observed in campaigns by ransomware groups and nation-state actors.

persistence execution defense-evasion ingress-tool-transfer windows
1r 3t
high advisory

Remote AppX Package Downloaded from File Sharing or CDN Domain

This brief details the detection of a malicious AppX package downloaded from untrusted file-sharing or CDN domains, a technique employed by threat actors like BazarLoader to deliver malware via abused Windows app mechanisms, potentially leading to system compromise and ransomware.

Windows AppX appx malware initial-access stealth windows
1r 3t 35i
high advisory

Potential Tampering With Security Products Via WMIC

Threat actors, including those behind IcedID, LockBit, and Vice Society, actively utilize the Windows Management Instrumentation Command-line (WMIC) utility to uninstall or terminate security products, aiming to impair host defenses and facilitate ransomware deployment or data exfiltration.

defense-impairment tampering wmic windows lolbin
1r 1t
medium advisory

Application Removal Via Wmic.EXE

Adversaries are leveraging the Windows Management Instrumentation Command-line (WMIC) utility, `wmic.exe`, to uninstall legitimate or security applications as a method of defense evasion and system impact within Windows environments.

defense-evasion impact windows
1r 1t
medium advisory

Application Termination Attempt via Wmic.EXE

Adversaries leverage the native Windows Management Instrumentation Command-line (WMIC) utility to terminate applications, specifically security products, as a defense evasion technique.

defense-evasion windows wmic living-off-the-land
1r 2t
high advisory

Suspicious Process Creation via WMIC.exe

A high-severity threat involves adversaries abusing `wmic.exe` to create new processes like `rundll32` or `powershell` on Windows systems, a technique observed in ransomware campaigns such as Ryuk, Hive, and Conti, indicating post-compromise execution.

ransomware living-off-the-land execution windows
1r 1t
medium advisory

Registry Manipulation via WMI Stdregprov for Evasion

Attackers are leveraging `wmic.exe` to modify the Windows registry through the WMI `StdRegProv` class, specifically using methods like `CreateKey` and `SetStringValue`, to evade detection and bypass traditional security monitoring focused on `reg.exe` or `regedit.exe`.

registry-modification defense-evasion wmi windows process-creation
1r 3t
medium advisory

Detection of Service Manipulation via WMIC.exe

This brief describes the detection of adversaries leveraging the native Windows Management Instrumentation Command-line (WMIC.exe) utility to start or stop services on compromised Windows systems, a common technique for persistence, privilege escalation, or lateral movement.

lolbin windows persistence execution lateral-movement
1r 1t
medium advisory

WMIC Remote Command Execution Detection

This brief focuses on detecting the abuse of the Windows Management Instrumentation Command-line (WMIC) utility to execute commands or query information on remote systems, a common technique used by attackers for lateral movement and reconnaissance within compromised networks.

lateral-movement reconnaissance execution wmic windows
1r 1t
medium threat

System Disk And Volume Reconnaissance Via Wmic.EXE

Threat actor Volt Typhoon is observed using the built-in Windows Management Instrumentation Command-line (WMIC.EXE) utility to perform system and volume discovery, gathering critical system information that can facilitate further network exploitation and data exfiltration.

Volt Typhoon +3 discovery reconnaissance wmic living-off-the-land windows
1r 2t
medium advisory

Potential Unquoted Service Path Reconnaissance Via Wmic.EXE

Attackers and pentesters commonly use `wmic.exe` to query Windows service configurations for unquoted paths, a reconnaissance technique that identifies potential privilege escalation opportunities.

reconnaissance privilege-escalation windows wmic
1r 2t 1c
medium threat

Uncommon WMIC System Information Discovery by Aurora Stealer

Aurora Stealer has been observed using the Windows Management Instrumentation Command-line (WMIC) utility to perform extensive system reconnaissance, gathering details like OS version, CPU, GPU, disk drives, memory, and display resolution, indicating early-stage information gathering for subsequent data exfiltration or malware deployment.

Windows Aurora Stealer reconnaissance discovery infostealer
1r 1t
medium advisory

Service Reconnaissance Via Wmic.EXE

Adversaries leverage the native Windows Management Instrumentation Command-line (WMIC) utility to perform service reconnaissance on remote systems, querying for existing services as a prelude to identifying potential targets for lateral movement or privilege escalation.

Windows Operating System windows reconnaissance wmic internal-recon
1r 1t
medium advisory

Potential Product Class Reconnaissance Via Wmic.EXE

Adversaries are leveraging `wmic.exe` on Windows systems to perform reconnaissance, specifically enumerating installed antivirus, antispyware, and firewall products to aid in evasion and subsequent attack planning, posing a medium risk to affected organizations.

reconnaissance discovery windows
1r 2t
medium advisory

WMIC Product Reconnaissance for Defense Evasion

A threat brief details the use of `wmic.exe` by attackers to perform product reconnaissance, specifically to identify installed firewall and antivirus software, facilitating defense evasion and tailored attack execution.

reconnaissance defense-evasion windows wmic
1r 2t
medium advisory

Potential Process Reconnaissance via Wmic.EXE

Adversaries leverage the native Windows Management Instrumentation Command-line (WMIC) utility with the 'process' flag to perform discovery of running processes on compromised systems, enabling further stages of attack such as privilege escalation or lateral movement.

reconnaissance discovery windows
1r 2t
medium advisory

Windows Hotfix Updates Reconnaissance Via Wmic.EXE

Attackers and pentesters utilize `wmic.exe` with the 'qfe' flag to enumerate installed hotfix updates on Windows systems, a common reconnaissance technique often preceding privilege escalation.

reconnaissance privilege-escalation windows attack.execution attack.t1047
1r 1t
low advisory

Detect Local Groups Reconnaissance Using WMIC

Adversaries utilize the legitimate Windows Management Instrumentation Command-line (WMIC) tool, specifically `wmic.exe group`, to perform reconnaissance on local system groups and identify users with elevated permissions on targeted Windows systems.

windows reconnaissance discovery
1r 1t
medium threat

Hardware Model Reconnaissance Via Wmic.EXE

Adversaries leverage the built-in Windows Management Instrumentation Command-line (WMIC.EXE) utility with the `csproduct` command to perform hardware model and vendor reconnaissance on target systems, a technique observed in campaigns utilizing infostealers like Kuraystealer, enabling further tailored attacks.

Kuraystealer reconnaissance windows infostealer
1r 6t
medium threat

Computer System Reconnaissance Via Wmic.EXE

This brief details the use of `wmic.exe` with the `computersystem` flag for reconnaissance, a technique observed in campaigns by adversaries such as DEV-0270 (Phosphorus), to gather system information like domain, username, and model.

Windows DEV-0270 +5 discovery reconnaissance ransomware
1r 1t
medium advisory

Process Creation Attempt via Wmic.EXE

Adversaries utilize the `wmic.exe` utility on Windows systems to create and execute processes, a technique detected by observing specific command-line arguments, indicating an attempt to run malicious code on compromised hosts.

execution windows
1r 1t
high advisory

Windows Defender Tampering via WMIC for Defense Evasion

A technique brief describes how adversaries may use `wmic.exe` to tamper with Windows Defender settings, specifically to add exclusions via the `\root\Microsoft\Windows\Defender` WMI namespace, reducing the host's security posture and enabling further malicious activity.

defense-evasion wmic windows-defender endpoint-security windows
1r 2t
low advisory

Local Account and System Owner Discovery via Native Utilities

Threat actors utilize built-in Windows utilities like whoami, wmic, and net to perform local account and system owner discovery, a common post-exploitation reconnaissance technique facilitating privilege escalation and lateral movement.

discovery reconnaissance post-exploitation windows
1r 2t
high threat

Detection of Base64 Encoded PowerShell Invoke- Keywords

This brief details the detection of Base64 encoded PowerShell `Invoke-` keywords in command lines, a common stealth technique leveraged by malware families such as Gootloader for initial access, execution, and subsequent payload delivery, enabling evasive command and control.

Gootloader powershell obfuscation evasion windows execution initial-access
1r 5t
high advisory

Threat Brief: Detection of Sysinternals Sysmon Uninstallation

This brief describes the detection of attackers uninstalling Sysinternals Sysmon, a critical endpoint monitoring tool, as a defense evasion technique to obscure malicious activities and maintain stealth.

Sysinternals Sysmon defense-evasion endpoint-security sysmon windows
1r 1t
medium advisory

Suspicious Use of PsLogList for Event Log Discovery and Evasion

Adversaries are leveraging the legitimate Sysinternals utility PsLogList to perform account and system discovery by dumping Windows event logs, and for defense evasion by clearing or exporting these logs, increasing their ability to operate undetected and further compromise systems.

sysinternals discovery defense-evasion account-discovery log-clearing windows
1r 3t
medium advisory

Suspicious Service Installation for Defense Evasion

Attackers are installing suspicious services, specifically NalDrv or PROCEXP152, via registry modifications to non-system32 folders to facilitate defense evasion by tools like Ghost-In-The-Logs, aiming to disable or impair security monitoring capabilities.

defense-evasion persistence kernel-driver windows
1r
high advisory

Detection of Renamed Sysinternals Tool Usage via Registry EULA Key

This brief details a detection strategy for identifying the use of renamed Sysinternals utilities by monitoring for suspicious modifications to the 'EulaAccepted' registry key, indicating potential post-exploitation activity or defense evasion on Windows systems.

defense-evasion post-exploitation sysinternals registry windows
1r 1t
high advisory

Suspicious Execution of Renamed Sysinternals Tools via Registry

This brief details a detection method for adversaries using renamed Sysinternals tools, a legitimate suite of utilities, to evade endpoint detection by triggering the `EulaAccepted` registry key creation, potentially leading to unauthorized system manipulation or data access on Windows systems.

sysinternals evasion registry windows pua
1r 2t
high advisory

Sysinternals PsSuspend Suspicious Execution to Impair Defenses

Adversaries are leveraging the legitimate Sysinternals PsSuspend utility to suspend critical security processes, such as Microsoft Defender Antivirus (`msmpeng.exe`), as a defense impairment technique to bypass endpoint detection and response (EDR) solutions.

Sysinternals PsSuspend defense-evasion utility sysinternals windows
1r
medium advisory

Abuse of Microsoft Sysinternals PsSuspend Utility

Unidentified threat actors may leverage the legitimate Microsoft Sysinternals PsSuspend utility to suspend critical processes on Windows systems, enabling evasion of security controls or disruption of operations.

Sysinternals PsSuspend sysinternals living-off-the-land process-manipulation windows tool-abuse
1r 4t
medium advisory

Detection of Sysinternals PsService Execution

This brief details the detection of Sysinternals PsService, a legitimate utility that can be abused by threat actors for service reconnaissance, manipulation, and persistence on Windows systems, potentially leading to privilege escalation or system disruption.

Sysinternals PsService sysinternals process-execution service-manipulation windows
1r 3t
medium advisory

Procdump Execution Detection

This brief details the detection of Procdump, a legitimate Sysinternals utility, which is frequently abused by attackers for credential dumping from sensitive processes like LSASS, enabling privilege escalation and lateral movement on Windows systems.

Sysinternals ProcDump sysinternals credential-dumping process-memory windows
1r 1t
medium advisory

Permission Check Via Accesschk.EXE

Attackers are abusing the legitimate Sysinternals `Accesschk.exe` utility to perform permission discovery on Windows systems, a common step in privilege escalation attacks, allowing them to identify misconfigurations for gaining higher privileges.

Accesschk sysinternals privilege-escalation tool-abuse discovery windows
1r 1t
high advisory

Renamed Sysinternals Sdelete Utility Execution

The execution of a renamed Microsoft Sysinternals Sdelete utility is a highly suspicious technique often employed by adversaries to destroy data on Windows systems, leading to severe impact on system integrity and data availability.

data-destruction living-off-the-land windows impact defense-evasion
1r 2t
high advisory

Detecting Renamed ProcDump Execution for Evasion

This brief focuses on the detection of renamed Sysinternals ProcDump executables, a technique often employed by threat actors to evade security controls and perform credential dumping from LSASS memory on Windows systems, leading to potential lateral movement and privilege escalation.

Windows Sysinternals ProcDump stealth credential-dumping sysinternals evasion windows
1r 2t
high advisory

Potential Defense Evasion Via Rename Of Highly Relevant Binaries

This brief details a defense evasion technique where attackers rename legitimate Windows system binaries to mask malicious activity, bypassing security solutions that rely on process names for detection.

defense-evasion windows process-creation
1r 1t
medium advisory

Detecting Suspicious GrantedAccess Flags on LSASS

This brief details a detection for potentially suspicious `GrantedAccess` flags when a process attempts to access `LSASS.exe`, indicating possible credential dumping attempts by adversaries, which can lead to lateral movement and privilege escalation on Windows systems.

credential-dumping windows post-exploitation
1r 2t
high advisory

Potential Credential Dumping Activity via LSASS Process Access

Adversaries frequently target the Local Security Authority Subsystem Service (LSASS) process on Windows systems to dump credentials, employing tools like Mimikatz, NanoDump, or Procdump to extract sensitive authentication material for lateral movement and persistence.

credential-access post-exploitation windows
1r 1t
high advisory

HackTool - SysmonEnte Execution for Sysmon Evasion

This brief details the SysmonEnte hacktool, an open-source utility developed by codewhitesec, designed to attack the integrity of Microsoft Sysmon processes to impair endpoint detection and bypass security monitoring on Windows systems.

Microsoft Sysmon defense-evasion endpoint windows hacktool
1r
medium advisory

Suspicious CredUI.DLL Loading by Uncommon Processes

Attackers may attempt to load the Windows Credential UI DLL (credui.dll) from an unusual or non-standard process to capture or access user credentials, facilitating credential theft and further malicious activity on a compromised system.

windows credential-access image-load-detection
1r 1t
medium advisory

Suspicious Process Monitor Driver Creation by Non-Sysinternals Binary

This brief details a detection strategy for malicious actors attempting to establish persistence or elevate privileges by creating a Process Monitor driver file (`.sys`) from an unauthorized process, indicating potential kernel-level compromise on Windows systems.

persistence privilege-escalation windows detection
1r 2t
high advisory

Malware Abusing Process Explorer Driver for Privilege Escalation

Malware and hack tools are observed creating Sysinternals Process Explorer drivers via non-Sysinternals processes to elevate privileges and bypass security controls on Windows systems.

Process Explorer driver-abuse privilege-escalation defense-evasion windows
1r 4t
medium advisory

Suspicious PROCEXP152.sys Driver Creation in Temporary Folders

This brief details the suspicious creation of the PROCEXP152.sys driver file, associated with Sysinternals Process Explorer, in temporary application data folders, a technique leveraged by tools like KDU and Ghost-In-The-Logs for defense evasion and bypassing Windows Event Logging on affected Windows systems.

defense-evasion driver-abuse windows endpoint
1r
medium advisory

Potential Privileged System Service Operation - SeLoadDriverPrivilege

This brief details the detection of `SeLoadDriverPrivilege` usage on Windows systems, a critical privilege enabling attackers to load malicious kernel drivers for advanced defense evasion and privilege escalation, leading to full system compromise.

windows defense-evasion privilege-escalation detection
1r 2t
high advisory

Legitimate Application Dropped Script Detection

This brief describes the detection of Living Off The Land Binaries (LOLBINs) and legitimate Windows applications being abused to drop various script files to disk, indicating malware staging or script-based code execution attempts.

living-off-the-land stealth execution windows
1r 2t
medium advisory

Potentially Suspicious AccessMask Requested From LSASS

This brief describes the detection of suspicious access mask requests to the Local Security Authority Subsystem Service (LSASS) process, a common post-exploitation technique used by threat actors for credential dumping on Windows systems.

credential-dumping post-exploitation windows security-event
1r 1t
critical advisory

Detection of Malicious Remote Access Tools by Antivirus

This brief details a Sigma rule designed to detect Antivirus alerts flagging various malicious Remote Access Tools (RATs) such as AgentTesla, AsyncRAT, and NanoCore, highlighting the critical need for investigation into the initial infection vector even when the AV blocks the threat.

remote-access-trojan rat antivirus detection malware windows
1r 1t
critical advisory

Antivirus - Ransomware Signature Detection

This brief describes a critical Sigma rule designed to detect highly relevant Antivirus alerts reporting known ransomware families, enabling detection engineers to ensure immediate investigation even when the malware has been blocked.

ransomware antivirus windows
1r 1t
high advisory

Windows Defender Disabled Via SystemSettingsAdminFlows.EXE

Threat actors are observed abusing the legitimate Windows utility `SystemSettingsAdminFlows.exe` to disable or modify Windows Defender settings, a defense impairment technique utilized in post-exploitation stages of campaigns, including ransomware.

Windows Defender defense-evasion lolbin windows ransomware
1r 1t
high advisory

Suspicious Legitimate Application Dropping Executable

This brief details a detection method for identifying malicious activity where legitimate Windows applications, including Living-Off-The-Land Binaries (LOLBINs) and common productivity software, are abused to drop executable files onto the disk, often indicating malware staging, persistence mechanisms, or process injection attempts.

living-off-the-land LOLBIN persistence malware-staging process-injection windows
1r 3t
high advisory

Detection of Potential WinAPI Calls via PowerShell Scripts for Evasion

This brief details the detection of PowerShell scripts that leverage Windows API functions, a common technique employed by threat actors for process injection, token manipulation, and other evasive malicious activities to bypass traditional security controls.

powershell winapi evasion process-injection privilege-escalation token-manipulation endpoint windows
1r 3t
medium advisory

Potentially Suspicious WDAC Policy File Creation

Attackers may create Windows Defender Application Control (WDAC) policy files from abnormal processes to bypass Endpoint Detection and Response (EDR) or Antivirus (AV) solutions while allowing their own malicious code to execute on compromised Windows systems, impacting defense capabilities.

defense-impairment wdac application-control windows
1r 1t
medium advisory

Suspicious PowerShell Start-Process with PassThru for Stealth Execution

This brief details a PowerShell defense evasion technique where adversaries utilize the `Start-Process` cmdlet with the `-PassThru` parameter to execute commands or programs in a hidden, background manner, enabling covert persistent access or malicious payload execution on Windows systems.

powershell defense-evasion stealth windows
1r 1t
high advisory

Splunk RCE Through Arbitrary File Write to Windows System Root

A critical vulnerability (CVE-2024-45731, CVE-2024-45733) in Splunk Enterprise for Windows versions below 9.3.0, 9.2.3, and 9.1.6 allows low-privileged users to perform arbitrary file writes to the Windows system root directory (C:\Windows\System32) when Splunk is installed on a separate drive, enabling remote code execution through insecure session storage configuration.

Splunk Enterprise for Windows +2 application-vulnerability rce file-write privilege-escalation splunk windows
2r 3t 2c
high advisory

Windows DNS Query to Telegram Bot API Indicating Malware C2

This brief details the detection of suspicious DNS queries from non-Telegram processes to api.telegram.org on Windows systems, a strong indicator of malware utilizing the Telegram Bot API for command and control (C2) communications to receive commands or exfiltrate data.

Telegram Bot API network command-and-control c2 telegram windows malware
1r 2t 1i
high advisory

Suspicious Process DNS Queries to Discord

This brief identifies a detection for non-legitimate processes making DNS queries to Discord domains, indicating potential malware attempting to download additional payloads, as seen in campaigns like WhisperGate, leading to further code execution and system compromise.

malware c2 initial-access execution windows
1r 1t 2i
high advisory

WinSCP Credential Access by Information Stealers

Information-stealing malware such as Phantom Stealer targets WinSCP's security configuration folder to harvest sensitive SSH and FTP credentials, leading to unauthorized access to remote systems and potential lateral movement.

WinSCP credential-theft infostealer windows data-exfiltration
1r 1t
high advisory

Unusual FileZilla XML Configuration File Access

This brief details a detection strategy for processes other than legitimate FileZilla or OneDrive clients attempting to access sensitive FileZilla FTP client configuration files, specifically `recentservers.xml` and `sitemanager.xml`, leveraging Windows Security Event Log 4663 to identify potential credential theft or data exfiltration.

FileZilla FTP Client windows credential-access ftp-client
1r 1t
medium advisory

Windows Process Injection With Public Source Path

This brief details a hunting analytic that detects process injection attempts on Windows systems using the CreateRemoteThread technique (Sysmon Event ID 8), often employed by advanced malware like Brute Ratel C4 to evade detection and escalate privileges, by monitoring processes originating from non-standard file paths.

endpoint process-injection defense-evasion privilege-escalation windows
1r 1t
high advisory

Non-Discord Application Accessing Discord LevelDB

This brief details the detection of non-Discord applications accessing the Discord LevelDB database on Windows endpoints, a critical activity often indicative of credential theft or sensitive data exfiltration by infostealer malware, which can lead to unauthorized access to user profiles and messages.

Discord Desktop Client credential-theft malware windows endpoint infostealer
1r 2t
high advisory

Windows FTP from Non-Standard Process Path Detection

This brief details a detection for suspicious FTP connections initiated by processes located in non-standard directories on Windows systems, a behavior indicative of malware like AgentTesla used for Command and Control (C2) or data exfiltration, leading to unauthorized data transfer and potential system compromise.

endpoint windows ftp malware data-exfiltration command-and-control
1r 2t
high advisory

Windows Credential Access from Browser Password Store Detection

This brief describes a detection for suspicious activity on Windows systems where an uncommon or unauthorized process attempts to access browser user data profiles, a common behavior observed in Trojan Stealers like SnakeKeylogger to harvest sensitive browser information and credentials for exfiltration.

credential-access stealer windows endpoint-detection
1r 3t
medium advisory

Windows Autostart Persistence via Startup Folder

Adversaries commonly leverage file creation in the Windows `%startup%` folder (T1547.001) to establish persistence, ensuring malicious code executes automatically upon system boot or user logon, potentially leading to system compromise and unauthorized access.

persistence execution windows malware
1r 2t
high advisory

Executable or Script Creation in Suspicious Windows Paths

This brief details a detection analytic for the creation of executables or scripts, such as .exe, .dll, or .ps1 files, in suspicious Windows file paths like `\windows\fonts\` or `\users\public\`, a technique frequently employed by adversaries for defense evasion and persistence, potentially leading to unauthorized code execution and privilege escalation.

endpoint windows defense-evasion persistence execution detection
1r 2t
high advisory

OpenClaw PowerShell Encoded-Command Alias Bypass Vulnerability

A high-severity vulnerability (GHSA-j472-gf56-x589) in OpenClaw allows an attacker to bypass allowlist checks for PowerShell encoded commands by using abbreviated encoded-command flags, leading to unauthorized code execution on the underlying Windows system if a vulnerable feature is enabled and reachable.

OpenClaw vulnerability code-execution powershell bypass npm windows
1r 2t
high advisory

Algernon Server-Side Script Source Disclosure via NTFS Filename Manipulation (CVE-2026-52792)

Algernon, when running on a Windows host, is vulnerable to CVE-2026-52792, allowing an unauthenticated attacker to exploit its `filepath.Ext()` processing to bypass script execution and obtain the raw source code of server-side scripts by appending NTFS-equivalent suffixes (such as `::$DATA`, trailing dot, or trailing space) to the URL, thereby leaking sensitive embedded secrets like database credentials, API keys, and `SetCookieSecret` values, which can lead to authentication bypass.

Algernon webserver vulnerability code-disclosure server-side-vulnerability windows
1r 2t
high advisory

CVE-2016-20095: Matrix42 Remote Control Host Unquoted Service Path Privilege Escalation

A local attacker can exploit CVE-2016-20095, an unquoted service path vulnerability in Matrix42 Remote Control Host version 3.20.0031, to achieve arbitrary code execution with SYSTEM privileges by placing a malicious executable named 'Program.exe' in the 'C:\Program Files\' directory, leading to privilege escalation when the vulnerable service starts.

Matrix42 Remote Control Host 3.20.0031 privilege-escalation unquoted-service-path windows matrix42
2r 2t 1c
high advisory

CVE-2016-20089: Iperius Remote Unquoted Service Path Vulnerability

An unquoted service path vulnerability, CVE-2016-20089, in Iperius Remote version 1.7.0 allows a local attacker to execute arbitrary code with SYSTEM privileges by placing a malicious executable in a specific directory when the legitimate service path contains spaces, enabling privilege escalation upon service restart or system reboot.

Iperius Remote 1.7.0 privilege-escalation windows vulnerability unquoted-service-path
2r 1t 4i
medium advisory

Vim Denial of Service Vulnerability

A vulnerability in the vim text editor allows a remote, unauthenticated attacker to perform a Denial of Service attack by exploiting a weakness to disrupt the service without requiring prior authentication.

vim denial-of-service vulnerability text-editor linux macos windows
2r 1t
high advisory

CVE-2026-25865: Punto Switcher Unquoted Search Path Vulnerability

CVE-2026-25865 describes an unquoted search path element vulnerability in Yandex Punto Switcher through version 4.5.0.583, allowing local attackers to execute arbitrary code by placing a malicious `RunDll32.exe` earlier in the system's PATH to hijack the application's insecure `WinExec` call, leading to arbitrary code execution with affected user privileges.

Punto Switcher privilege-escalation local-exploitation windows software-vulnerability path-interception
2r 2t
critical advisory

Exploitation of CVE-2026-8024 in ibaPDA and ibaDatCoordinator via Deserialization of Untrusted Data

A remote, unauthenticated attacker may exploit a deserialization of untrusted data vulnerability (CVE-2026-8024) in ibaPDA (versions prior to 8.14.0) or ibaDatCoordinator (versions prior to 4.0.7) to gain full access to the affected systems, potentially leading to arbitrary code execution and system compromise.

ibaPDA +1 deserialization rce ics scada vulnerability windows
2r 2t
high advisory

Vite Dev Server `server.fs.deny` Bypass on Windows (CVE-2026-53571)

A high-severity vulnerability (CVE-2026-53571) in the Vite development server on Windows allows threat actors to bypass `server.fs.deny` restrictions, leading to information disclosure of sensitive files like `.env` or `tls.pem` via crafted HTTP requests utilizing NTFS Alternate Data Streams or 8.3 short names, impacting applications that expose the dev server to the network.

PoC Vite +4 information-disclosure bypass web-vulnerability windows development-server
2r 1t 1c 3i updated
high advisory

CVE-2026-8863 UEFI Secure Boot Security Feature Bypass Vulnerability

An authorized attacker with local access can exploit CVE-2026-8863, a security feature bypass vulnerability in Windows UEFI, to circumvent Secure Boot and load unauthorized software, potentially enabling persistent rootkit installation.

PoC Windows UEFI +2 uefi secure-boot bypass windows vulnerability defense-evasion
2r 1t 1c 11i updated
high advisory

You do surprise me.exe: Unexpected Crypto-Miner in Hola Browser

Sophos X-Ops discovered that Hola Browser version 1.251.91.0 was distributed with an undeclared crypto-mining executable, me.exe, due to a supply chain compromise, leading to resource hijacking on affected Windows systems.

Hola Browser supply-chain-compromise cryptomining pua windows executable
3r 5t 4i
high advisory

Global Stock Exchange Hit by Monthslong Email Campaign

An unknown threat actor gained continuous administrative access to a senior finance executive's Microsoft Outlook mailbox at a global stock exchange for at least five months, deploying custom infostealers via scheduled tasks and exfiltrating sensitive emails through a Dropbox-based command and control channel after an initial lateral movement event.

Microsoft Outlook +2 espionage financial-sector email-exfiltration persistence living-off-the-land windows advanced-persistent-threat
3r 7t
high threat

Multiple Vulnerabilities in Microsoft Office Products (June 2026)

CERT-FR has disclosed 31 vulnerabilities in various Microsoft Office products, including CVE-2026-44803 and CVE-2026-47635, which could allow remote code execution, privilege escalation, and data confidentiality compromise.

exploited Microsoft 365 Apps pour Enterprise pour systèmes 32 bits +21 vulnerability microsoft-office remote-code-execution privilege-escalation data-confidentiality windows macos android
3r 4t 5c
critical advisory

Vulnerability in Veeam Backup & Replication Allowing Remote Code Execution (CVE-2026-44963)

A critical remote code execution vulnerability, tracked as CVE-2026-44963, has been discovered in Veeam Backup & Replication versions prior to 12.3.2.4854, which could allow an unauthenticated attacker to execute arbitrary code on affected systems, leading to full compromise of the backup infrastructure and potential data exfiltration or destruction.

Veeam Backup & Replication < 12.3.2.4854 remote-code-execution vulnerability veeam backup-replication data-exfiltration data-destruction windows
3r 2t 1c 2i
high advisory

Notepad++ Vulnerability Allows Code Execution

A remote, anonymous attacker can exploit a vulnerability in Notepad++ to execute arbitrary program code, potentially leading to system compromise.

Notepad++ code-execution vulnerability windows
2r 1t
high advisory

Windows AD Domain Root ACL Deletion

The analytic detects ACL deletion on the domain root object in Active Directory by monitoring Windows Event Log Security event ID 5136, identifying significant AD changes with potentially high impact.

Splunk Enterprise +3 active-directory acl privilege-escalation persistence windows
2r 2t
high advisory

Windows SQL Server xp_cmdshell Configuration Change Detected

Detection of changes to the xp_cmdshell configuration in SQL Server, a feature often abused by attackers for privilege escalation and lateral movement by enabling execution of operating system commands.

SQL Server +3 sql_server xp_cmdshell privilege_escalation lateral_movement windows
2r 1t
high advisory

SQL Server Critical Procedures Enabled Leading to Potential Code Execution or Reconnaissance

Modification of critical SQL Server configuration options, such as 'Ad Hoc Distributed Queries', 'external scripts enabled', 'Ole Automation Procedures', 'clr enabled', and 'clr strict security', can enable attackers to perform Active Directory reconnaissance and execute arbitrary code, potentially leading to code execution or reconnaissance activities.

SQL Server +3 sql-server code-execution reconnaissance windows
2r 2t
medium threat

Windows Cabinet File Extraction via Expand.exe

Detection of expand.exe being used to extract Microsoft Cabinet (CAB) archives, specifically when extracting to C:\ProgramData or similar staging locations, potentially indicating ingress tool transfer and payload staging by threat actors like APT37.

Splunk Enterprise +2 APT37 cabinet_extraction expand.exe windows endpoint
2r 2t
high advisory

SLUI RunAs Elevated Privilege Escalation

Detection of the Microsoft Software Licensing User Interface Tool (`slui.exe`) being executed with elevated privileges using the `-verb runas` parameter, indicating a potential privilege escalation attempt.

Splunk Enterprise Security +2 privilege-escalation defense-evasion windows
2r 1t
high advisory

Windows AD CS ESC1 Certificate Authentication Abuse

This analytic detects the issuance of a suspicious certificate with a Subject Alternative Name (SAN) using Active Directory Certificate Services (AD CS) and its immediate use for authentication, indicating potential exploitation of improperly configured certificate templates for privilege escalation.

Active Directory Certificate Services +3 adcs certificate_abuse privilege_escalation windows
2r 2t
high advisory

Windows Privilege Escalation via Suspicious Process Elevation

This analytic detects when a process running with low or medium integrity spawns an elevated process with high or system integrity in suspicious locations, potentially indicating successful privilege escalation by a threat actor.

Splunk Enterprise +2 privilege-escalation windows
2r 3t
high advisory

Windows AD sIDHistory Attribute Modification Detection

This analytic detects changes to the sIDHistory attribute of user or computer objects within the same domain using Windows Security Event Codes 4738 and 4742, which can be abused by adversaries to gain unauthorized access, maintain persistence, or escalate privileges by inheriting permissions from another account.

Splunk Enterprise +2 sidhistory active-directory privilege-escalation persistence windows
2r 2t
high advisory

Windows AD Hidden Organizational Unit Creation

This analytic detects when an ACL is applied to an organizational unit (OU) to deny listing the objects residing in it; this activity, combined with modifying the owner of the OU, can hide Active Directory objects, even from domain administrators.

Splunk Enterprise +2 active-directory persistence privilege-escalation windows t1222.001 t1484
2r 2t
high advisory

Windows AD Domain Replication ACL Addition

This analytic detects the addition of permissions required for a DCSync attack, specifically DS-Replication-Get-Changes, DS-Replication-Get-Changes-All, and DS-Replication-Get-Changes-In-Filtered-Set, leveraging Windows Security Event Log 5136 to identify when these permissions are granted, which indicates potential preparation for replicating AD objects and exfiltrating sensitive data.

Active Directory +3 attack.persistence attack.privilege_escalation attack.t1484 windows active-directory
2r 2t
high advisory

Active Directory User ACL Modification with Dangerous Permissions

Detection of Active Directory user object ACL modifications that grant dangerous permissions, such as full control or the ability to modify permissions, potentially indicating privilege escalation or malicious activity.

Active Directory +3 active-directory privilege-escalation acl windows
2r 2t
high advisory

Windows Post Exploitation Risk Behavior Detection

This analytic identifies potential post-exploitation behaviors on a Windows system by monitoring multiple risk events and their associated MITRE ATT&CK tactics, indicating potential malicious actions following an initial compromise.

Splunk Enterprise +2 post-exploitation windows splunk
2r 8t
medium advisory

Windows Registry Modification Risk Behavior Detection

This analytic identifies instances where three or more distinct registry modification events associated with MITRE ATT&CK Technique T1112 are detected, leveraging Splunk's Risk data model to detect persistence, hiding malicious configurations, or erasing forensic evidence.

Splunk Enterprise +2 registry persistence defense-evasion windows
2r 2t
high advisory

GPU Mining Malware Spreads via SEO Poisoning and AI Chatbots

A cryptojacking campaign targets systems with high-performance GPUs using SEO poisoning and manipulated AI chatbot recommendations, distributing malware disguised as legitimate software utilities to establish persistence and evade detection before deploying GPU mining programs.

Microsoft Defender +8 cryptojacking seo-poisoning process-hollowing persistence defense-evasion gpu-mining windows
3r 6t 1i
critical threat

Critical Deserialization Vulnerability in Apache ActiveMQ NMS AMQP Client (CVE-2025-54539)

A critical deserialization of untrusted data vulnerability (CVE-2025-54539) exists in Apache ActiveMQ NMS AMQP Client <= v2.3.0, where an attacker controlling or impersonating an AMQP broker can send malicious serialized data that the client deserializes unsafely, allowing arbitrary code execution on the client system.

ActiveMQ NMS AMQP Client <= v2.3.0 deserialization rce activemq cve-2025-54539 windows
2r 1t 1c
high advisory

SocuSoft DVD Photo Slideshow Professional Stack-Based Buffer Overflow (CVE-2018-25373)

SocuSoft DVD Photo Slideshow Professional 8.07 is vulnerable to a stack-based buffer overflow (CVE-2018-25373) in the registration name field, allowing local attackers to execute arbitrary code by exploiting structured exception handling.

DVD Photo Slideshow Professional 8.07 buffer-overflow code-execution windows
2r 4t 1c
high threat

10-Strike Network Scanner 3.0 Buffer Overflow Leading to Remote Code Execution

A buffer overflow vulnerability exists in 10-Strike Network Scanner 3.0, allowing attackers to bypass SafeSEH protections and execute arbitrary code by crafting a malicious payload in the host name or address field and triggering the vulnerability through the Trace route or System information functions.

network scanner buffer-overflow rce windows
2r 1t 1c
high advisory

10-Strike Network Inventory Explorer Stack-Based Buffer Overflow (CVE-2018-25344)

10-Strike Network Inventory Explorer 8.54 contains a stack-based buffer overflow vulnerability in the registration key input field that allows local attackers to execute arbitrary code via SEH overwrite.

Network Inventory Explorer buffer-overflow seh-overwrite privilege-escalation execution cve-2018-25344 windows
2r 1t 1c
medium advisory

Ivanti Secure Access Client: Local Privilege Escalation Vulnerabilities

A local attacker can exploit vulnerabilities in Ivanti Secure Access Client to manipulate files or escalate privileges, potentially gaining elevated access to the system.

Secure Access Client privilege-escalation ivanti windows linux macos
2r 1t
medium advisory

Rare Connection to WebDAV Target via Rundll32

This rule identifies rare connection attempts to a Web Distributed Authoring and Versioning (WebDAV) resource, where attackers may inject WebDAV paths in files or features opened by a victim user to leak their NTLM credentials via forced authentication using rundll32.exe.

Elastic Defend +1 credential-access defense-evasion windows
2r 2t
medium threat

Lenovo LegionSpace 1.7.11.2 Unquoted Service Path Vulnerability

A local exploit has been published for Lenovo LegionSpace 1.7.11.2, detailing an Unquoted Service Path vulnerability in the 'DAService', potentially leading to local privilege escalation.

LegionSpace unquoted-service-path privilege-escalation windows
2r 1t
critical advisory

CVE-2008-4250 - Windows Server Service Buffer Overflow Vulnerability

CVE-2008-4250 is a buffer overflow vulnerability in the Microsoft Windows Server Service that allows remote attackers to execute arbitrary code via a crafted RPC request during path canonicalization.

Windows cve buffer-overflow rpc smbv1
2r 1t 1c
high advisory

Microsoft Azure Portal Windows Admin Center Vulnerability Allows Privilege Escalation

A local attacker can exploit a vulnerability in Microsoft Azure Portal Windows Admin Center to gain administrator rights, potentially leading to unauthorized access and control over Azure resources.

Azure Portal Windows Admin Center azure privilege-escalation windows
2r 1t
high advisory

Multiple Vulnerabilities in Microsoft Defender and Malware Protection Engine

Multiple vulnerabilities in Microsoft Defender and Microsoft Malware Protection Engine could allow an attacker to elevate privileges, execute arbitrary code, and cause a denial of service condition.

Defender +1 privilege-escalation execution impact windows
2r 3t
high advisory

Claude HUD Command Injection Vulnerability via COMSPEC Manipulation (CVE-2026-47092)

Claude HUD through version 0.0.12 is vulnerable to command injection (CVE-2026-47092) allowing a local attacker to execute arbitrary commands on a Windows system by manipulating the COMSPEC environment variable; this vulnerability has been patched in commit 234d9aa.

Claude HUD command-injection vulnerability windows
2r 1t 1c
high threat

Kite Unquoted Service Path Vulnerability (CVE-2020-37247)

Kite 4.2.0.1 U1 contains an unquoted service path vulnerability (CVE-2020-37247) in the KiteService Windows service that allows local attackers to escalate privileges by placing a malicious executable in a directory due to the unquoted service path.

Kite 4.2.0.1 U1 privilege-escalation unquoted service path cve-2020-37247 windows
2r 1t 1c
high threat

Syncplify.me Server! Unquoted Service Path Vulnerability (CVE-2020-37230)

Syncplify.me Server! version 5.0.37 contains an unquoted service path vulnerability (CVE-2020-37230) in the SMWebRestServicev5 service, allowing a local attacker to escalate privileges by placing a malicious executable in the service path.

Syncplify.me Server! 5.0.37 unquoted-service-path privilege-escalation windows
2r 1t 1c
high advisory

OKI sPSV Port Manager Unquoted Service Path Vulnerability (CVE-2020-37229)

OKI sPSV Port Manager 1.0.41 contains an unquoted service path vulnerability in the sPSVOpLclSrv service, allowing local attackers to escalate privileges by inserting executable files into the unquoted path.

sPSV Port Manager 1.0.41 privilege-escalation unquoted service path cve-2020-37229 windows
2r 2t 1c
high threat

Secret Blizzard Upgrades Kazuar Backdoor to Modular P2P Botnet

The Russian hacker group Secret Blizzard has evolved the Kazuar backdoor into a modular P2P botnet designed for persistence, stealth, and data collection, utilizing kernel, bridge, and worker modules for command and control and data exfiltration.

Exchange Web Services +2 Turla +4 kazuar p2p botnet espionage windows
2r 4t
medium advisory

LSASS Memory Dump Handle Access

Detection of handle requests to the LSASS process with specific access masks commonly used by tools to dump memory, indicating potential credential access attempts.

Windows credential-access lsass memdump
2r 1t
low advisory

Suspicious Windows Process Cluster Detected from Parent Process

A machine learning job has identified a parent process spawning one or more suspicious Windows processes exhibiting unusually high malicious probability scores, indicating potential defense evasion tactics like masquerading and LOLBins usage.

Elastic Endpoint +2 defense-evasion windows ml lolbins
2r 2t
low advisory

Host Detected with Suspicious Windows Process(es)

A machine learning job combination has identified a host with one or more suspicious Windows processes that exhibit unusually high malicious probability scores, indicating potential masquerading tactics for defense evasion.

Elastic Defend +1 Use Case: Living off the Land Attack Detection Rule Type: ML Rule Type: Machine Learning Tactic: Defense Evasion Resources: Investigation Guide defense-evasion windows
2r 2t
low advisory

Unusual Process Spawned by a User Detected via Machine Learning

A machine learning job has detected a suspicious Windows process, predicted to be malicious by the ProblemChild supervised ML model and found to be suspicious given its user context by an unsupervised ML model, indicating potential defense evasion activity involving LOLbins.

Elastic Defend +1 defense-evasion machine-learning windows lolbin
2r 2t
low advisory

Unusual Process Spawned by a Parent Process via Machine Learning

This rule detects unusual process spawned by a parent process, potentially indicating malicious activity involving LOLbins by leveraging machine learning to identify anomalous process creation patterns that evade conventional search rules.

Elastic Defend +1 defense-evasion lolbin machine-learning windows
2r 2t
low advisory

Unusual Process Spawned by a Host via Machine Learning

A machine learning job detects unusual Windows processes, potentially Living off the Land binaries, on hosts not commonly associated with malicious activity, indicating possible defense evasion attempts.

Elastic Defend +1 defense-evasion lolbins machine learning windows
2r 1t
high threat

Remote Sunrise Helper for Windows 2026.14 Remote Code Execution Vulnerability

A remote code execution vulnerability exists in Remote Sunrise Helper for Windows version 2026.14, which can be exploited without authentication, as demonstrated by a public exploit published on Exploit-DB.

Remote Sunrise Helper for Windows remote-code-execution exploit windows
2r 2t
medium advisory

Remote Sunrise Helper for Windows 2026.14 - Unauthenticated File/Directory Listing

A local exploit has been published for Remote Sunrise Helper for Windows 2026.14, detailing an unauthenticated file/directory listing vulnerability. Successful exploitation allows unauthenticated attackers to list files and directories on the affected system.

Remote Sunrise Helper for Windows unauthenticated-access file-listing windows
2r 1t
high advisory

Multiple Vulnerabilities in Microsoft Windows Products

Multiple vulnerabilities exist in Microsoft Windows products, enabling attackers to execute arbitrary code, escalate privileges, perform denial-of-service attacks, disclose information, or bypass security measures.

Windows vulnerability privilege-escalation execution denial-of-service defense-evasion discovery
2r 5t
high advisory

Multiple Vulnerabilities in Microsoft Developer Tools

Multiple vulnerabilities in Microsoft developer tools and platforms could allow an attacker to achieve arbitrary code execution, data manipulation, privilege escalation, bypassing security measures, information disclosure, and denial of service.

Visual Studio 2017 +11 vulnerability code-execution privilege-escalation denial-of-service windows cloud
3r 6t
high advisory

Multiple Vulnerabilities in Microsoft Azure and Windows Admin Center

Multiple vulnerabilities in Microsoft Azure and Windows Admin Center allow an attacker to escalate privileges, spoof information, and bypass security measures.

Azure +1 windows privilege-escalation defense-evasion
2r 2t
medium advisory

LSASS Process Access via Windows API

This rule identifies access attempts to the LSASS handle, which may indicate an attempt to dump credentials from LSASS memory by detecting specific API calls (OpenProcess, OpenThread, ReadProcessMemory) targeting the 'lsass.exe' process.

Microsoft Defender XDR +1 credential-access windows lsass
2r 2t
high advisory

Windows Service Installed via an Unusual Client for Privilege Escalation

Identifies the creation of a Windows service by an unusual client process, which can be leveraged to escalate privileges from administrator to SYSTEM by exploiting misconfigurations or vulnerabilities in the service creation process.

VeeamVssSupport +6 privilege-escalation windows-service windows
2r 1t
high advisory

Process Created with an Elevated Token via Token Theft

This rule detects the creation of a process running as SYSTEM while impersonating the token context of a Windows core binary, which adversaries may leverage to escalate privileges and bypass access controls through token theft.

privilege-escalation token-theft windows
2r 1t
high advisory

Privilege Escalation via Rogue Named Pipe Impersonation

An adversary may attempt privilege escalation by masquerading as a known named pipe and manipulating a privileged process to connect to it on Windows systems.

privilege-escalation named-pipe windows
2r 1t
high advisory

Privilege Elevation via Parent Process PID Spoofing

This rule detects parent process spoofing used to create an elevated child process, specifically targeting privilege escalation to SYSTEM, where adversaries may spoof the parent process identifier (PPID) of a new process to evade process-monitoring defenses or to elevate privileges on Windows systems.

Elastic Endpoint +2 privilege-escalation windows ppid-spoofing
2r 1t
high advisory

UAC Bypass Attempt via Windows Directory Masquerading

Detects attempts to bypass User Account Control (UAC) by masquerading as a trusted Microsoft Windows directory, abusing a trailing-space in the path to execute code with elevated privileges.

Elastic Endpoint +4 privilege-escalation uac-bypass windows
2r 1t
high advisory

UAC Bypass via Event Viewer

Detects User Account Control (UAC) bypass attempts using eventvwr.exe to execute code with elevated permissions by identifying child processes of eventvwr.exe, excluding mmc.exe and WerFault.exe, which may indicate unauthorized privilege escalation.

Microsoft Defender XDR +3 privilege-escalation uac-bypass windows
2r 1t
high advisory

UAC Bypass via ICMLuaUtil Elevated COM Interface

Detects User Account Control (UAC) bypass attempts via the ICMLuaUtil Elevated COM interface, where attackers may attempt to stealthily execute code with elevated permissions, potentially leading to privilege escalation.

Elastic Defend +2 privilege-escalation uac-bypass windows
2r 1t
high advisory

Potential Privileged Escalation via SamAccountName Spoofing (CVE-2021-42278)

This rule detects potential privilege escalation attempts by exploiting CVE-2021-42278, which involves spoofing the samAccountName attribute to impersonate a domain controller and elevate privileges from a standard domain user to a domain administrator by identifying suspicious computer account name rename events where a machine account name is renamed to a user-like account name.

Active Directory privilege-escalation windows active-directory cve-2021-42278
2r 1t 1c
high advisory

Privilege Escalation via Rogue Windir Environment Variable

A privilege escalation attempt is detected through modification of the Windows directory (Windir) environment variable, a technique often combined with other vulnerabilities to elevate privileges by redirecting system processes.

Elastic Defend +3 privilege-escalation registry-modification windows
2r 1t
high advisory

Privilege Escalation via Named Pipe Impersonation

Adversaries may escalate privileges by abusing named pipe impersonation, a technique often used with tools like Metasploit's meterpreter getsystem command, where a process writes to a named pipe to facilitate a SYSTEM-token handoff.

Microsoft Defender XDR +4 privilege-escalation named-pipe windows
2r 1t
high advisory

Service Creation via Local Kerberos Authentication Leading to Privilege Escalation

The rule detects a local successful logon event with Kerberos authentication from localhost, followed by service creation from the same LogonId, indicating a potential Kerberos relay attack for local privilege escalation to LocalSystem.

kerberos relay privilege-escalation windows service-creation
3r 1t
high advisory

Potential Privilege Escalation via InstallerFileTakeOver (CVE-2021-41379)

This rule detects potential exploitation of the InstallerTakeOver vulnerability (CVE-2021-41379), where successful exploitation allows an unprivileged user to escalate privileges to SYSTEM.

Edge privilege-escalation cve-2021-41379 windows
2r 1t 1c
high advisory

Group Policy Abuse for Privilege Addition

Detects modifications to Group Policy Object Attributes that grant privileges to user accounts or add users as local administrators, indicating potential privilege escalation attempts.

Active Directory +1 group-policy privilege-escalation windows
2r 1t
high advisory

Unusual dMSA Account Creation for Privilege Escalation

Detects the creation of a delegated Managed Service Account (dMSA) by an unusual subject account, potentially indicating an attempt to abuse weak permissions for privilege escalation in Active Directory.

winlogbeat-* +2 privilege-escalation windows
3r 1t
high advisory

Unusual Modification of Delegated Managed Service Account Attribute

Detection of modifications to the msDS-ManagedAccountPrecededByLink attribute of a delegated managed service account (dMSA) by an unusual subject account, which attackers can abuse to inherit permissions and elevate privileges in Active Directory.

Active Directory privilege-escalation active-directory windows
3r 1t
high threat

Persistence via WMI Standard Registry Provider

The rule identifies the use of Windows Management Instrumentation StdRegProv (registry provider) to modify commonly abused registry locations for persistence by detecting registry changes made by WmiPrvSe.exe in specific registry paths.

Windows Management Instrumentation persistence registry wmi windows
3r 1t
medium advisory

Intel Addresses Vulnerabilities in Multiple Software Products

Intel released security advisories addressing vulnerabilities in Display Virtualization for Windows OS driver software, Intel EMA software, AI Playground software, and Intel Vision software, requiring users to update to the latest versions.

Display Virtualization for Windows OS driver software +3 vulnerability intel software update windows
3r
high advisory

CVE-2026-42896 - Windows DWM Core Library Integer Overflow Privilege Escalation

CVE-2026-42896 describes an integer overflow vulnerability in the Windows DWM Core Library, allowing an authorized local attacker to elevate privileges.

Windows DWM Core Library privilege-escalation integer-overflow windows
2r 1t 1c
high advisory

CVE-2026-42825: Use-After-Free in Windows Telephony Service

CVE-2026-42825 is a use-after-free vulnerability in the Windows Telephony Service that allows an authorized, local attacker to elevate privileges.

Windows Telephony Service cve privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-41088: Windows Ancillary Function Driver for WinSock Local Privilege Escalation

CVE-2026-41088 is a vulnerability in Windows Ancillary Function Driver for WinSock that allows an authorized attacker to elevate privileges locally due to external control of file name or path.

Windows Ancillary Function Driver for WinSock privilege-escalation windows cve
2r 1t 1c
high advisory

CVE-2026-41086: Windows Admin Center Privilege Escalation via Improper Access Control

CVE-2026-41086 describes an improper access control vulnerability in Windows Admin Center, allowing an authorized attacker to elevate privileges over a network.

Windows Admin Center privilege-escalation vulnerability windows
2r 1t 1c
high advisory

CVE-2026-40420 - Microsoft Office Click-To-Run Improper Access Control Vulnerability

CVE-2026-40420 is an improper access control vulnerability in Microsoft Office Click-To-Run allowing an authorized attacker to elevate privileges locally.

Office Click-To-Run privilege-escalation office windows
2r 1t 1c
high advisory

CVE-2026-40418: Microsoft Office Click-To-Run Use-After-Free Vulnerability

CVE-2026-40418 is a use-after-free vulnerability in Microsoft Office Click-To-Run that allows an authorized attacker to elevate privileges locally.

Office Click-To-Run cve privilege-escalation windows use-after-free
2r 1t 1c
high threat

CVE-2026-40415 Use-After-Free Vulnerability in Windows TCP/IP

CVE-2026-40415 is a use-after-free vulnerability in Windows TCP/IP that allows an unauthorized attacker to execute code over a network.

Windows TCP/IP use-after-free rce windows
2r 1t 1c
medium advisory

CVE-2026-40414: Windows TCP/IP Null Pointer Dereference Denial-of-Service

A null pointer dereference vulnerability exists in Windows TCP/IP, allowing an unauthorized attacker on an adjacent network to cause a denial-of-service condition.

Windows TCP/IP cve denial-of-service windows
2r 3t 1c
high advisory

CVE-2026-40407 - Windows CLFS Driver Heap Overflow for Privilege Escalation

CVE-2026-40407 is a heap-based buffer overflow vulnerability in the Windows Common Log File System (CLFS) Driver, enabling a locally authenticated attacker to escalate privileges on the system.

Windows Common Log File System Driver privilege-escalation heap-overflow windows
2r 1t 1c
medium advisory

CVE-2026-40406 - Windows TCP/IP Use-After-Free Information Disclosure

CVE-2026-40406 is a use-after-free vulnerability in Windows TCP/IP that allows an unauthorized attacker to disclose sensitive information over a network.

Windows TCP/IP cve-2026-40406 use-after-free information-disclosure windows tcp/ip
2r 1t 1c
medium advisory

CVE-2026-40405 - Windows TCP/IP Null Pointer Dereference DoS

CVE-2026-40405 describes a null pointer dereference vulnerability in Windows TCP/IP, allowing an unauthenticated attacker to cause a denial of service over a network.

TCP/IP dos cve windows
2r 1t 1c
high advisory

CVE-2026-40403 Heap-based Buffer Overflow in Windows Win32K - GRFX

CVE-2026-40403 is a heap-based buffer overflow vulnerability in Windows Win32K - GRFX that allows an authorized local attacker to execute arbitrary code, potentially leading to privilege escalation and code execution.

Windows Win32K - GRFX heap-overflow code-execution windows
2r 2t
medium threat

CVE-2026-40401 - Windows TCP/IP Null Pointer Dereference Denial of Service

CVE-2026-40401 is a null pointer dereference vulnerability in Windows TCP/IP that allows a local, unauthorized attacker to cause a denial of service.

Windows TCP/IP cve denial-of-service windows null pointer dereference
2r 1t 1c
high advisory

CVE-2026-40399 - Windows TCP/IP Stack-Based Buffer Overflow Local Privilege Escalation

CVE-2026-40399 is a stack-based buffer overflow vulnerability in the Windows TCP/IP stack, allowing an authenticated local attacker to elevate privileges.

TCP/IP privilege escalation buffer overflow windows
2r 1t 1c
high advisory

CVE-2026-40397: Windows CLFS Driver Integer Underflow Privilege Escalation

CVE-2026-40397 is an integer underflow vulnerability in the Windows Common Log File System (CLFS) driver that allows an authenticated attacker to escalate privileges locally.

Windows Common Log File System Driver privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-40382 - Windows Telephony Service Use-After-Free Elevation of Privilege

CVE-2026-40382 is a use-after-free vulnerability in the Windows Telephony Service that allows an authorized attacker to elevate privileges locally.

Windows Telephony Service privilege-escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-40377 - Windows Cryptographic Services Heap-Based Buffer Overflow Vulnerability

CVE-2026-40377 is a heap-based buffer overflow vulnerability in Windows Cryptographic Services, allowing an authorized local attacker to elevate privileges.

Windows Cryptographic Services privilege-escalation buffer-overflow windows
2r 1t 1c
high advisory

TelemetryController Scheduled Task Hijack for Persistence

The rule detects the hijack of the Microsoft Compatibility Appraiser scheduled task to establish persistence with system integrity level, by monitoring CompatTelRunner.exe process execution and detecting unexpected child processes.

Microsoft Compatibility Appraiser +3 persistence scheduled_task telemetry windows
2r 1t
high advisory

Persistence via Hidden Run Key Detected

This rule detects a persistence mechanism that utilizes the NtSetValueKey native API to create a hidden (null terminated) registry key, evading detection from system utilities.

Elastic Defend +4 persistence registry windows
2r 1t
high advisory

KRBTGT Delegation Backdoor via msDS-AllowedToDelegateTo Modification

Attackers can modify the msDS-AllowedToDelegateTo attribute to KRBTGT, enabling persistent domain access by requesting Kerberos tickets for the KRBTGT service.

persistence active-directory windows
2r 1t
high advisory

Persistence via Microsoft Office Add-Ins File Creation

This rule detects attempts to establish persistence on Windows endpoints by abusing Microsoft Office add-ins through the creation of malicious files in Office startup directories.

Microsoft Office AddIns +4 persistence ms-office add-ins windows
2r 1t
high advisory

Creation of a Hidden Local User Account

Detects the creation of a hidden local user account by appending a dollar sign ($) to the account name, a technique used by attackers to persist on a system and evade standard account listing methods.

Elastic Defend +3 persistence windows local_account hidden_account
2r 1t
high advisory

CVE-2026-40362: Microsoft Excel Heap-based Buffer Overflow Vulnerability

A heap-based buffer overflow vulnerability, identified as CVE-2026-40362, exists in Microsoft Office Excel, allowing an unauthenticated attacker with local access to execute arbitrary code.

Office Excel cve heap-based buffer overflow excel code execution windows
2r 1t 1c
medium advisory

CVE-2026-35424: Windows IKE Protocol Memory Leak Denial-of-Service

CVE-2026-35424 is a denial-of-service vulnerability in the Windows Internet Key Exchange (IKE) Protocol caused by a missing release of memory after its effective lifetime, allowing an unauthenticated remote attacker to trigger a denial of service over a network.

Internet Key Exchange dos vulnerability windows ike
1r 1c
high advisory

CVE-2026-35421 Heap-Based Buffer Overflow in Windows GDI

CVE-2026-35421 is a heap-based buffer overflow vulnerability in Windows Graphics Device Interface (GDI) that allows an unauthorized attacker to execute arbitrary code locally with elevated privileges.

Windows GDI heap-overflow code-execution windows
2r 2t 1c
high advisory

CVE-2026-35420 - Windows Kernel Heap-Based Buffer Overflow Local Privilege Escalation

CVE-2026-35420 is a heap-based buffer overflow vulnerability in the Windows Kernel that allows an authorized local attacker to elevate privileges.

Windows Kernel privilege-escalation windows kernel buffer-overflow
2r 1t 1c
high advisory

CVE-2026-35418 - Windows Cloud Files Mini Filter Driver Use-After-Free Privilege Escalation

CVE-2026-35418 is a use-after-free vulnerability in the Windows Cloud Files Mini Filter Driver that allows an authorized local attacker to elevate privileges.

Cloud Files Mini Filter Driver privilege-escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-35417: Windows Win32K - ICOMP Type Confusion Privilege Escalation

CVE-2026-35417 is a type confusion vulnerability in Windows Win32K - ICOMP that allows an authorized attacker to elevate privileges locally.

Win32K - ICOMP privilege-escalation type-confusion windows
2r 1t 1c
high advisory

CVE-2026-35416 - Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability

CVE-2026-35416 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock, enabling a locally authorized attacker to escalate privileges.

Windows Ancillary Function Driver for WinSock privilege-escalation use-after-free windows
2r 1t 1c
high threat

CVE-2026-35415: Windows Storage Spaces Controller Integer Overflow Privilege Escalation

CVE-2026-35415 is an integer overflow vulnerability in the Windows Storage Spaces Controller that allows a locally authorized attacker to elevate privileges.

exploited Windows Storage Spaces Controller cve vulnerability privilege-escalation windows
2r 1t 1c
high threat

CVE-2026-34351: Windows TCP/IP Race Condition Privilege Escalation

CVE-2026-34351 is a race condition vulnerability in Windows TCP/IP that allows an authorized attacker to elevate privileges locally.

Windows TCP/IP privilege-escalation race-condition windows
2r 1t 1c
high advisory

CVE-2026-34347 Use-After-Free Vulnerability in Windows Win32K - GRFX

CVE-2026-34347 is a use-after-free vulnerability in Windows Win32K - GRFX that allows an authorized local attacker to elevate privileges.

Windows Win32K - GRFX privilege-escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-34345 - Windows Ancillary Function Driver for WinSock Race Condition Privilege Escalation

CVE-2026-34345 describes a race condition vulnerability in Windows Ancillary Function Driver for WinSock, allowing an authorized attacker to elevate privileges locally.

Windows Ancillary Function Driver for WinSock privilege-escalation race-condition windows
2r 1t 1c
high advisory

CVE-2026-34344 - Windows Ancillary Function Driver for WinSock Type Confusion Vulnerability

CVE-2026-34344 is a type confusion vulnerability in the Windows Ancillary Function Driver for WinSock, allowing an authorized local attacker to elevate privileges.

Windows Ancillary Function Driver for WinSock type-confusion privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-34343 - Windows AppID Subsystem Heap Overflow Privilege Escalation

CVE-2026-34343 is a heap-based buffer overflow vulnerability in the Windows Application Identity (AppID) Subsystem that allows an authorized attacker to elevate privileges locally.

Windows Application Identity cve privilege-escalation windows appid
2r 2t 1c
high advisory

CVE-2026-34342 - Windows Print Spooler Components Privilege Escalation via Race Condition

CVE-2026-34342 is a race condition vulnerability in Windows Print Spooler Components that allows an authorized attacker to elevate privileges locally.

Windows Print Spooler Components privilege-escalation race-condition cve-2026-34342 windows
2r 1t 1c
high advisory

CVE-2026-34341: Windows LLDP Double Free Privilege Escalation

CVE-2026-34341 is a double free vulnerability in the Windows Link-Layer Discovery Protocol (LLDP) that allows an authorized attacker to elevate privileges locally with a CVSS v3.1 score of 7.0.

Link-Layer Discovery Protocol lldp double-free privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-34340 - Windows Projected File System Use-After-Free Elevation of Privilege Vulnerability

CVE-2026-34340 is a use-after-free vulnerability in the Windows Projected File System that allows an authorized attacker to elevate privileges locally.

Windows Projected File System privilege-escalation use-after-free windows
2r 1t 1c
medium advisory

CVE-2026-34336 - Windows DWM Core Library Buffer Over-Read Information Disclosure

CVE-2026-34336 is a buffer over-read vulnerability in the Windows DWM Core Library, allowing a local, authenticated attacker to disclose sensitive information.

DWM Core Library vulnerability information-disclosure windows
2r 2t 1c
high advisory

CVE-2026-34333 - Use-After-Free in Windows Win32K GRFX Allows Local Privilege Escalation

CVE-2026-34333 is a use-after-free vulnerability in the Windows Win32K - GRFX component that allows a locally authorized attacker to elevate privileges.

Win32K - GRFX privilege-escalation windows
2r 1t 1c
high threat

CVE-2026-34331: Windows Win32K - GRFX Race Condition Privilege Escalation

CVE-2026-34331 describes a race condition vulnerability in Windows Win32K - GRFX that allows an authorized attacker to elevate privileges locally due to improper synchronization when accessing shared resources.

Win32K - GRFX privilege-escalation race-condition windows
2r 1t 1c
high advisory

CVE-2026-34330 - Windows Win32K GRFX Integer Overflow Local Privilege Escalation

CVE-2026-34330 is an integer overflow vulnerability in Windows Win32K - GRFX that allows a locally authenticated attacker to escalate privileges.

Win32K - GRFX privilege-escalation windows cve
2r 1t 1c
high advisory

CVE-2026-33841 Heap-Based Buffer Overflow in Windows Kernel Allows Privilege Escalation

CVE-2026-33841 is a heap-based buffer overflow vulnerability in the Windows Kernel that allows a locally authorized attacker to elevate privileges.

Windows Kernel cve-2026-33841 privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-33840 Use-After-Free in Windows Win32K ICOMP for Local Privilege Escalation

CVE-2026-33840 is a use-after-free vulnerability in the Windows Win32K ICOMP component, allowing a locally authenticated attacker to elevate privileges.

Windows Win32K privilege escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-33839 - Windows Win32K GRFX Race Condition Privilege Escalation

CVE-2026-33839 is a race condition vulnerability in Windows Win32K - GRFX that allows an authorized local attacker to elevate privileges.

Win32K - GRFX privilege-escalation race condition windows
2r 1t 1c
high advisory

CVE-2026-33838: Windows Message Queuing Double Free Vulnerability

CVE-2026-33838 is a double free vulnerability in Windows Message Queuing that allows a locally authorized attacker to elevate privileges.

Windows Message Queuing privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-33837 - Windows TCP/IP Heap-Based Buffer Overflow for Privilege Escalation

CVE-2026-33837 is a heap-based buffer overflow vulnerability in the Windows TCP/IP stack that allows an authenticated local attacker to elevate privileges.

TCP/IP privilege-escalation buffer-overflow windows
2r 1t 1c
high advisory

CVE-2026-33835 - Windows Cloud Files Mini Filter Driver Use-After-Free Privilege Escalation

CVE-2026-33835 is a use-after-free vulnerability in the Windows Cloud Files Mini Filter Driver, allowing a local attacker to elevate privileges.

Windows Cloud Files Mini Filter Driver cve privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-33834 - Windows Event Logging Service Improper Access Control Vulnerability

CVE-2026-33834 is an improper access control vulnerability in the Windows Event Logging Service, allowing a locally authenticated attacker to escalate privileges.

Windows Event Logging Service privilege-escalation windows cve-2026-33834
2r 1t 1c
high advisory

CVE-2026-32161 - Windows Native WiFi Miniport Driver Race Condition Vulnerability

CVE-2026-32161 is a race condition vulnerability in the Windows Native WiFi Miniport Driver that allows an unauthorized attacker to execute code over an adjacent network.

Windows Native WiFi Miniport Driver race-condition wifi windows code-execution
2r 1t 1c
high advisory

Lateral Movement via Remote Startup Folder Modification

Adversaries may achieve lateral movement by creating malicious files in remote Windows startup folders via RDP or SMB, leading to code execution upon system reboot or user logon.

m365_defender +4 lateral-movement persistence windows
2r 3t
high advisory

Potential SharpRDP Behavior

This rule detects potential SharpRDP behavior, a tool used for authenticated command execution against a remote target via Remote Desktop Protocol (RDP) for lateral movement by identifying incoming RDP connections followed by RunMRU registry value modifications and subsequent process execution.

Elastic Defend +1 lateral-movement execution windows sharprdp
2r 3t
high advisory

Execution via TSClient Mountpoint

The rule detects execution of processes from the Remote Desktop Protocol (RDP) shared mountpoint tsclient on Windows hosts, which may indicate a lateral movement attempt.

Microsoft Defender XDR +1 lateral-movement execution rdp tsclient windows
2r 2t
high advisory

Potential Remote Desktop Shadowing Activity

This brief detects potential remote desktop shadowing activity by identifying modifications to the RDP Shadow registry or the execution of processes indicative of an active RDP shadowing session, which adversaries may abuse to spy on or control other users' RDP sessions.

Windows NT +4 rdp shadowing lateral-movement windows
3r 1t
high advisory

Incoming DCOM Lateral Movement with MMC

Detection of Distributed Component Object Model (DCOM) abuse to execute commands remotely via the MMC20 Application COM object, potentially indicating lateral movement.

Elastic Defend +1 lateral-movement dcom windows
2r 1t
high advisory

Incoming DCOM Lateral Movement via MSHTA

Detection of Distributed Component Object Model (DCOM) abuse to execute commands from a remote host via the HTA Application COM Object, potentially indicating lateral movement.

Windows lateral-movement dcom mshta
2r 1t
high advisory

Suspicious Kerberos Authentication Ticket Request

This rule detects suspicious Kerberos authentication ticket requests by correlating network connections to the standard Kerberos port (88) from a source machine with a Kerberos authentication ticket request from the target domain controller, which could indicate lateral movement or credential access attempts within a Windows domain.

Elastic Defend +4 lateral-movement threat-detection windows
2r 2t
high threat

Suspicious Processes Spawned by Microsoft Exchange Worker Process

Detects suspicious processes spawned by the Microsoft Exchange Server worker process (w3wp.exe), potentially indicating exploitation or web shell activity.

exploited Exchange Server initial-access webshell exchange-server windows
2r 2t
high advisory

Volume Shadow Copy Deletion via WMIC

The rule detects the use of wmic.exe for shadow copy deletion on Windows endpoints, a common tactic used in ransomware or other destructive attacks to inhibit system recovery.

Windows Management Instrumentation +3 impact windows threat-detection
3r 2t
high advisory

Volume Shadow Copy Deletion via PowerShell

Detects the use of PowerShell to delete volume shadow copies, a tactic commonly employed by ransomware and other destructive attacks to hinder data recovery efforts.

Windows impact powershell volume shadow copy ransomware
2r 1t
high advisory

Potential Ransomware Note File Dropped via SMB

The rule identifies the creation of files resembling ransomware notes via SMB, potentially indicating a remote ransomware attack on Windows systems.

Elastic Defend ransomware smb impact windows
2r 4t
high advisory

Suspicious File Renamed via SMB

Detection of a suspicious file rename operation following an incoming SMB connection, potentially indicating a remote ransomware attack via the SMB protocol, targeting Windows hosts.

Elastic Defend ransomware smb file-rename windows
2r 4t
high advisory

Potential System Tampering via File Modification

Detection of attempts to delete or modify critical Windows boot files indicating a potential destructive attack to prevent system startup.

Elastic Defend +2 impact destructive-attack windows
2r 1t
medium advisory

Multiple Vulnerabilities in 7-Zip Allow File Manipulation and Information Disclosure

An anonymous remote attacker can exploit multiple vulnerabilities in 7-Zip to manipulate files or disclose sensitive information on Windows systems.

7-Zip vulnerability file-manipulation information-disclosure windows
2r 2t
medium advisory

GhostLock Tool Abuses Windows API to Block File Access

GhostLock is a proof-of-concept tool that abuses the Windows CreateFileW API to block access to files on local and SMB network shares, causing a denial-of-service condition.

Windows +1 denial-of-service file-access
2r 1t
high advisory

Podman HyperV Machine Vulnerability Allows Arbitrary Code Execution with Administrator Privileges

A local attacker can exploit a vulnerability in Podman HyperV Machine to execute arbitrary program code with administrator privileges, leading to complete system compromise.

Podman HyperV Machine privilege-escalation container windows
2r 1t
critical advisory

JDownloader Website Compromised to Serve Malicious Installers

JDownloader's website was compromised on May 6-7, 2026, with download links repointed to malicious installers deploying a Remote Access Trojan on Windows and harmful shell commands on Linux. Users who installed from affected links should treat the system as fully compromised and perform a clean OS reinstall.

supply-chain malware rat windows linux jdownloader
2r 3t
high advisory

Argus Surveillance DVR Unquoted Service Path Vulnerability (CVE-2021-47945)

Argus Surveillance DVR 4.0 contains an unquoted service path vulnerability in the DVRWatchdog service (CVE-2021-47945), enabling local attackers to escalate privileges by placing a malicious executable in the Program Files directory to be executed as LocalSystem.

Surveillance DVR 4.0 unquoted-service-path privilege-escalation windows
2r 1t 1c
high advisory

Malicious Hugging Face Repository Distributes Information Stealer

A malicious repository on Hugging Face, impersonating OpenAI's 'Privacy Filter' project, distributed information-stealing malware to Windows users by executing a PowerShell command that downloads and runs a Rust-based infostealer, which exfiltrates collected data to a command-and-control server.

Privacy Filter +3 huggingface infostealer malware supply-chain python powershell windows
2r 21t 1i
medium advisory

Avast Antivirus Privilege Escalation Vulnerability

A local attacker can exploit a vulnerability in Avast Antivirus and AVG Technologies Anti-Virus to escalate privileges on a Windows system.

Avast Antivirus +1 privilege-escalation antivirus windows
2r 1t
high advisory

WatchGuard Agent on Windows Multiple Vulnerabilities

WatchGuard Agent on Windows (version 1.25.02.0000 and prior) is vulnerable to multiple privilege escalation and denial-of-service vulnerabilities, potentially allowing local attackers to execute arbitrary code with SYSTEM privileges or cause a denial of service.

WatchGuard Agent on Windows privilege-escalation denial-of-service windows
2r 2t 5c
high threat

ScarCruft Compromises Gaming Platform in Supply-Chain Attack

The ScarCruft APT group conducted a supply-chain attack targeting the Yanbian region by compromising a gaming platform, sqgame, used by ethnic Koreans, trojanizing Windows and Android games with the BirdCall backdoor for espionage activities since late 2024.

Yanbian Red Ten +2 ScarCruft supply-chain attack apk backdoor android windows
2r 4t 4i
low advisory

Potential File Transfer via Curl for Windows

Adversaries may abuse Curl for Windows to download files or upload data to a remote URL for command and control or exfiltration purposes.

Elastic Defend +3 command-and-control file-transfer windows curl
2r 3t
medium advisory

Windows Port Forwarding Rule Addition via Registry Modification

An adversary may abuse port forwarding to bypass network segmentation restrictions by creating a new port forwarding rule through modification of the Windows registry.

Elastic Defend +3 port-forwarding registry-modification command-and-control defense-evasion windows
2r 3t
medium advisory

Suspicious Zoom Child Process Execution

A suspicious Zoom child process was detected, indicating a potential attempt to run unnoticed by masquerading as Zoom.exe or exploiting a vulnerability, resulting in the execution of cmd.exe, powershell.exe, pwsh.exe, or powershell_ise.exe.

Microsoft Defender XDR +1 defense-evasion execution windows
2r 6t
medium advisory

Suspicious Execution via Windows Command Debugging Utility

Adversaries can abuse the Windows command line debugging utility cdb.exe to execute commands or shellcode from non-standard paths, evading traditional security measures.

Microsoft Defender XDR +5 lolbas defense-evasion windows
2r 2t
medium advisory

SIP Provider Modification for Defense Evasion

This rule detects modifications to the registered Subject Interface Package (SIP) providers, which are used by the Windows cryptographic system to validate file signatures, potentially indicating an attempt to bypass signature validation or inject code for defense evasion.

Microsoft Defender XDR +2 defense-evasion windows registry-modification
2r 1t
medium advisory

Service DACL Modification via sc.exe

Detection of service DACL modifications via `sc.exe` using the `sdset` command, potentially leading to defense evasion by denying service access to legitimate users or system accounts.

Microsoft Defender XDR +2 defense-evasion persistence windows
2r 2t
medium advisory

Remote Desktop File Opened from Suspicious Path

Adversaries may abuse RDP files delivered via phishing from suspicious locations to gain unauthorized access to systems.

M365 Defender +4 initial-access rdp phishing windows
2r 2t
medium advisory

Potential WSUS Abuse for Lateral Movement via PsExec

Adversaries may exploit Windows Server Update Services (WSUS) to execute PsExec for lateral movement within a network by abusing the trusted update mechanism to run signed binaries.

Windows Server Update Services lateral-movement wsus psexec windows
2r 2t
medium advisory

Potential WPAD Spoofing via DNS Record Creation

Detection of a Windows DNS record creation event (5137) with an ObjectDN attribute containing 'DC=wpad', which indicates a potential WPAD spoofing attack to enable privilege escalation and lateral movement.

credential-access wpad-spoofing windows
2r 1t
low advisory

Potential Secure File Deletion via SDelete Utility

This rule detects file name patterns generated by the use of Sysinternals SDelete utility, potentially used by attackers to delete forensic indicators and hinder data recovery efforts.

Microsoft Defender XDR +3 defense evasion impact windows
2r 2t
low advisory

Potential Remote File Execution via MSIEXEC

The rule detects the execution of the built-in Windows Installer, msiexec.exe, to install a remote package potentially abused by adversaries for initial access and defense evasion.

Windows Installer msiexec remote-file-execution initial-access defense-evasion windows
2r 3t
medium advisory

Potential Pass-the-Hash (PtH) Attempt Detection

This rule detects potential Pass-the-Hash (PtH) attempts in Windows environments by monitoring successful authentications with specific user IDs (S-1-5-21-* or S-1-12-1-*) and the `seclogo` logon process, where attackers use stolen password hashes to authenticate and move laterally across systems without needing plaintext passwords.

Windows lateral-movement threat-detection
2r 1t
medium advisory

Potential NetNTLMv1 Downgrade Attack via Registry Modification

This brief details a registry modification attack that downgrades the system to NTLMv1 authentication, enabling NetNTLMv1 downgrade attacks, typically performed with local administrator privileges on Windows systems.

Microsoft Defender XDR +2 defense-evasion ntlm registry-modification windows
2r 2t
medium advisory

Potential DLL Side-Loading via Trusted Microsoft Programs

This rule detects potential DLL side-loading attempts by identifying instances of Windows trusted programs (WinWord.exe, EXPLORER.EXE, w3wp.exe, DISM.EXE) being started after being renamed or from a non-standard path, which is a common technique to evade defenses by side-loading a malicious DLL into the memory space of a trusted process.

WinWord.exe +4 defense-evasion execution dll-side-loading windows
2r 2t
medium advisory

Potential Computer Account NTLM Relay Activity

Detection of potential NTLM relay attacks targeting computer accounts by identifying authentication events originating from hosts other than the account's owner, indicating possible credential theft and misuse.

credential-access threat-detection windows
2r 2t
medium advisory

Potential Account Takeover - Logon from New Source IP

The rule identifies a user account that normally logs in with high volume from one source IP suddenly logging in from a different source IP, potentially indicating account takeover or use of stolen credentials from a new location.

Elastic Security account-takeover credential-access windows
2r 1t
low advisory

Enumerating Domain Trusts via DSQUERY.EXE

Adversaries may use the `dsquery.exe` command-line utility to enumerate trust relationships for lateral movement in Windows multi-domain environments.

Microsoft Defender XDR discovery domain-trust windows
2r 2t
medium advisory

Code Signing Policy Modification Through Built-in Tools

Attackers may attempt to disable or modify code signing policies on Windows systems by using built-in tools like bcdedit.exe in order to execute unsigned or self-signed malicious code.

M365 Defender +1 defense-evasion code-signing windows
2r 1t
high advisory

Norton Secure VPN Privilege Escalation Vulnerability (CVE-2025-58074)

A privilege escalation vulnerability exists in Norton Secure VPN during installation via the Microsoft Store (CVE-2025-58074), allowing a low-privilege user to replace files leading to arbitrary file deletion and potential elevation of privileges.

Norton Secure VPN privilege-escalation windows vulnerability
2r 1t 1c
high advisory

Potential Kerberos SPN Spoofing via Suspicious DNS Query

Detects suspicious DNS queries containing a base64-encoded blob, indicating potential Kerberos coercion attacks and SPN spoofing via DNS to coerce authentication to attacker-controlled hosts, enabling Kerberos or NTLM relay attacks.

Elastic Defend credential-access kerberos spn-spoofing dns windows
2r 1t
high threat

Unpatched Microsoft Windows RPC Vulnerability Allows Privilege Escalation

A local attacker can exploit an unpatched vulnerability in Microsoft Windows RPC to escalate privileges.

Windows RPC privilege-escalation windows unpatched-vulnerability
2r 1t
high advisory

Alloksoft Video Joiner Buffer Overflow Vulnerability (CVE-2018-25315)

Alloksoft Video Joiner 4.6.1217 is vulnerable to a local buffer overflow (CVE-2018-25315) allowing attackers to execute arbitrary code via a crafted license name.

Video joiner 4.6.1217 buffer-overflow code-execution cve-2018-25315 windows
2r 1t 1c
critical advisory

PhantomRPC: Windows RPC Privilege Escalation Vulnerability

A vulnerability in Windows RPC architecture allows an attacker to create a fake RPC server and escalate their privileges to SYSTEM level, leveraging processes with impersonation privileges.

Windows privilege-escalation rpc
2r 1t
high advisory

CVE-2026-32223 Windows USB Printing Stack Elevation of Privilege Vulnerability

CVE-2026-32223 is an elevation of privilege vulnerability affecting the Windows USB Printing Stack (usbprint.sys), potentially allowing a local attacker to gain elevated privileges on a vulnerable system.

cve-2026-32223 elevation-of-privilege windows
2r 1t 1c
high advisory

Multiple Vulnerabilities in Microsoft Developer Tools

Multiple vulnerabilities in Microsoft Visual Studio, .NET Framework, .NET, PowerShell, and Visual Studio Code can be exploited by an attacker to disclose sensitive information, conduct spoofing attacks, cause a denial of service, or bypass security measures, potentially leading to arbitrary code execution.

vulnerability code-execution spoofing denial-of-service information-disclosure windows
2r 4t
medium advisory

Suspicious RDP File Execution

This rule identifies attempts to open a remote desktop file from suspicious paths, indicative of adversaries abusing RDP files for initial access via phishing.

rdp phishing initial-access windows
2r 2t
high advisory

Google Chrome Sandbox Escape via Uninitialized Use in Accessibility (CVE-2026-6311)

A remote attacker who has compromised the renderer process in Google Chrome on Windows prior to version 147.0.7727.101 can potentially perform a sandbox escape via a crafted HTML page due to an uninitialized use in accessibility, as tracked by CVE-2026-6311.

cve-2026-6311 chrome sandbox-escape windows
2r 1t 1c
high advisory

Dragon Boss Solutions Adware Disabling Antivirus Protections

Digitally signed adware from Dragon Boss Solutions LLC deploys payloads with SYSTEM privileges to disable antivirus protections on thousands of endpoints across education, utilities, government, and healthcare sectors.

adware antivirus-evasion malware windows
2r 2t 2i
critical threat

Microsoft April 2026 Patch Tuesday Addresses 163 Vulnerabilities

Microsoft's April 2026 Patch Tuesday addresses 163 vulnerabilities, including 8 critical ones, ranging from Tampering to Remote Code Execution and Privilege Escalation, affecting various Microsoft products; it is recommended to apply patches immediately.

exploited patch-tuesday vulnerability remote-code-execution privilege-escalation windows
2r 4t 6c
critical advisory

Simopro WinMatrix Agent Missing Authentication Vulnerability (CVE-2026-6348)

The WinMatrix agent by Simopro Technology suffers from a missing authentication vulnerability (CVE-2026-6348), enabling local authenticated attackers to execute arbitrary code with SYSTEM privileges on the local machine and all hosts within the agent's environment.

CVE-2026-6348 missing-authentication privilege-escalation windows
2r 2t 1c
critical advisory

Barracuda RMM Privilege Escalation via Filesystem ACLs

Barracuda RMM versions prior to 2025.2.2 are vulnerable to local privilege escalation, allowing attackers to gain SYSTEM privileges by exploiting overly permissive filesystem ACLs on the C:\Windows\Automation directory.

privilege-escalation rmm windows
2r 1t 1c
medium advisory

Git for Windows NTLM Hash Leak Vulnerability (CVE-2026-32631)

Git for Windows versions prior to 2.53.0.windows.3 are vulnerable to NTLM hash theft by attackers who can trick users into cloning malicious repositories or checking out malicious branches, leading to potential credential compromise.

cve credential-access windows git
2r 1t 1c
high advisory

Windows WinSock Use-After-Free Privilege Escalation (CVE-2026-26177)

CVE-2026-26177 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock, allowing a local attacker to elevate privileges.

cve privilege-escalation windows
2r 1t 1c
high advisory

Windows WinSock Race Condition Privilege Escalation (CVE-2026-26173)

CVE-2026-26173 is a race condition vulnerability in the Windows Ancillary Function Driver for WinSock that allows a local attacker to elevate privileges.

cve-2026-26173 privilege-escalation windows
2r 1t 1c
high advisory

Windows Win32K GRFX Privilege Escalation via Race Condition (CVE-2026-33104)

CVE-2026-33104 is a race condition vulnerability in Windows Win32K - GRFX that allows an authorized local attacker to elevate privileges by exploiting concurrent execution using a shared resource with improper synchronization.

cve-2026-33104 privilege-escalation windows
2r 1t 1c
high advisory

Windows WalletService Use-After-Free Privilege Escalation (CVE-2026-32080)

CVE-2026-32080 is a use-after-free vulnerability in the Windows WalletService, allowing a locally authorized attacker to elevate privileges.

privilege-escalation use-after-free windows
2r 1t 1c
high advisory

Windows User Interface Core Race Condition Privilege Escalation (CVE-2026-27911)

CVE-2026-27911 is a race condition vulnerability in the Windows User Interface Core that allows a local attacker to elevate privileges due to improper synchronization when accessing shared resources.

privilege-escalation race-condition windows
2r 1t 1c
high advisory

Windows TCP/IP Race Condition Vulnerability (CVE-2026-33827)

CVE-2026-33827 is a race condition vulnerability in Windows TCP/IP that allows an attacker to execute arbitrary code over the network by exploiting improper synchronization during concurrent execution using shared resources.

cve-2026-33827 race-condition windows tcp/ip code-execution
2r 2t 1c
high advisory

Windows Storage Spaces Controller Out-of-Bounds Read Privilege Escalation (CVE-2026-32076)

CVE-2026-32076 is an out-of-bounds read vulnerability in the Windows Storage Spaces Controller that allows an authorized local attacker to elevate privileges.

privilege-escalation windows cve-2026-32076
2r 1t 1c
high threat

Windows SSDP Service Race Condition Privilege Escalation (CVE-2026-32068)

CVE-2026-32068 is a race condition vulnerability in the Windows SSDP Service that allows an authorized attacker to elevate privileges locally.

exploited cve-2026-32068 privilege-escalation windows
2r 1t 1c
medium advisory

Windows Remote Desktop Spoofing Vulnerability (CVE-2026-26151)

CVE-2026-26151 is a spoofing vulnerability in Windows Remote Desktop due to an insufficient UI warning for dangerous operations, allowing an unauthorized attacker to perform spoofing over a network.

cve-2026-26151 rdp spoofing windows
2r 2t 1c
high advisory

Windows Push Notifications Race Condition Privilege Escalation (CVE-2026-32160)

CVE-2026-32160 describes a race condition vulnerability in Windows Push Notifications that allows a locally authorized attacker to elevate privileges.

privilege-escalation race-condition windows
2r 1t 1c
high advisory

Windows Push Notifications Race Condition Privilege Escalation (CVE-2026-32158)

CVE-2026-32158 is a race condition vulnerability in Windows Push Notifications that allows an authorized attacker to elevate privileges locally due to improper synchronization when using shared resources.

privilege escalation race condition windows
2r 1t 1c
high advisory

Windows Push Notifications Race Condition Privilege Escalation (CVE-2026-26172)

CVE-2026-26172 is a race condition vulnerability in Windows Push Notifications, allowing a locally authenticated attacker to elevate privileges.

cve-2026-26172 privilege-escalation race-condition windows
2r 1t 1c
high advisory

Windows Projected File System Race Condition Privilege Escalation (CVE-2026-27927)

CVE-2026-27927 is a race condition vulnerability in the Windows Projected File System that allows an authorized attacker to escalate privileges locally.

privilege-escalation race-condition windows
2r 1t 1c
high advisory

Windows LUAFV TOCTOU Vulnerability Allows Local Privilege Escalation (CVE-2026-27929)

CVE-2026-27929 is a time-of-check time-of-use (TOCTOU) race condition in Windows LUAFV that allows an authorized local attacker to elevate privileges.

privilege-escalation toctou windows
2r 1t 1c
high advisory

Windows Kerberos Improper Authorization Privilege Escalation (CVE-2026-27912)

CVE-2026-27912 describes an improper authorization vulnerability in Windows Kerberos, enabling an attacker on an adjacent network with valid credentials to elevate privileges.

privilege-escalation kerberos windows cve-2026-27912
2r 1t 1c
high advisory

Windows Hyper-V Improper Input Validation Vulnerability (CVE-2026-32149)

CVE-2026-32149 is a vulnerability in Windows Hyper-V due to improper input validation, which allows an authorized, local attacker to execute arbitrary code.

hyper-v code-execution vulnerability windows
2r 2t 1c
high advisory

Windows BitLocker Security Feature Bypass Vulnerability (CVE-2026-27913)

CVE-2026-27913 describes an improper input validation vulnerability in Windows BitLocker that allows a local attacker to bypass security features.

bitlocker security-bypass windows cve-2026-27913
2r 1t 1c
high advisory

Microsoft PowerShell Improper Input Validation Vulnerability (CVE-2026-26143)

An improper input validation vulnerability (CVE-2026-26143) in Microsoft PowerShell allows an unauthorized local attacker to bypass security features.

cve-2026-26143 powershell input-validation bypass-uac windows
2r 1t 1c
high advisory

Microsoft Management Console Improper Access Control Vulnerability (CVE-2026-27914)

CVE-2026-27914 is an improper access control vulnerability in Microsoft Management Console that allows a locally authorized attacker to elevate privileges.

privilege-escalation windows cve-2026-27914
2r 1t 1c
critical advisory

CVE-2026-33824: Windows IKE Extension Double Free Vulnerability

A double free vulnerability in the Windows IKE Extension, tracked as CVE-2026-33824, allows an unauthenticated remote attacker to execute arbitrary code over the network.

cve-2026-33824 windows ike double-free remote-code-execution
2r 3t 1c
high advisory

CVE-2026-33101 Use-After-Free Vulnerability in Windows Print Spooler

CVE-2026-33101 is a use-after-free vulnerability in the Windows Print Spooler Components that allows an authenticated local attacker to elevate privileges.

use-after-free privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-33099: Windows WinSock Use-After-Free Privilege Escalation

A use-after-free vulnerability, CVE-2026-33099, in the Windows Ancillary Function Driver for WinSock, enables a locally authenticated attacker to elevate privileges on the system.

cve-2026-33099 use-after-free privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-33098 Use-After-Free in Windows Container Isolation FS Filter Driver

CVE-2026-33098 is a use-after-free vulnerability in the Windows Container Isolation FS Filter Driver that allows a locally authorized attacker to elevate privileges.

use-after-free privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-33096 HTTP.sys Out-of-Bounds Read Denial-of-Service

An unauthenticated, remote attacker can exploit an out-of-bounds read vulnerability (CVE-2026-33096) in Windows HTTP.sys to cause a denial-of-service condition.

cve-2026-33096 denial-of-service windows
2r 2t 1c
high advisory

CVE-2026-32195 Windows Kernel Stack-Based Buffer Overflow Privilege Escalation

CVE-2026-32195 is a stack-based buffer overflow vulnerability in the Windows Kernel that allows an authorized attacker to elevate privileges locally.

privilege-escalation buffer-overflow windows cve-2026-32195
2r 1t 1c
high advisory

CVE-2026-32164 Windows User Interface Core Race Condition Privilege Escalation

CVE-2026-32164 is a race condition vulnerability in Windows User Interface Core that allows a locally authorized attacker to elevate privileges.

cve-2026-32164 privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-32155: Desktop Window Manager Use-After-Free Privilege Escalation

CVE-2026-32155 is a use-after-free vulnerability in the Desktop Window Manager that allows an authorized attacker to escalate privileges locally on a Windows system.

privilege-escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-32153 Windows Speech Use-After-Free Privilege Escalation

CVE-2026-32153 is a use-after-free vulnerability in Microsoft Windows Speech that allows a locally authorized attacker to elevate privileges.

cve-2026-32153 privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-32078: Windows Projected File System Use-After-Free Elevation of Privilege

A use-after-free vulnerability, CVE-2026-32078, exists in the Windows Projected File System, allowing a locally authenticated attacker to escalate privileges.

cve-2026-32078 privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-32071: Windows LSASS Null Pointer Dereference DoS

CVE-2026-32071 is a null pointer dereference vulnerability in the Windows Local Security Authority Subsystem Service (LSASS), allowing an unauthorized network attacker to cause a denial-of-service condition.

cve-2026-32071 denial-of-service windows
2r 1t 1c
high advisory

CVE-2026-27926 Windows Cloud Files Mini Filter Driver Privilege Escalation

CVE-2026-27926 is a race condition vulnerability in the Windows Cloud Files Mini Filter Driver that allows a local attacker to elevate privileges.

privilege-escalation race-condition windows
3r 1t 1c
high threat

CVE-2026-27917: Windows WFP NDIS Lightweight Filter Driver Use-After-Free Vulnerability

CVE-2026-27917 is a use-after-free vulnerability in the Windows WFP NDIS Lightweight Filter Driver (wfplwfs.sys) that allows a locally authorized attacker to elevate privileges.

exploited cve-2026-27917 use-after-free privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-27916 Use-After-Free in Windows UPnP Device Host

CVE-2026-27916 is a use-after-free vulnerability in Windows Universal Plug and Play (UPnP) Device Host that allows an authorized attacker to elevate privileges locally.

windows upnp privilege-escalation cve-2026-27916
2r 1t 1c
high advisory

CVE-2026-27910: Windows Installer Local Privilege Escalation

CVE-2026-27910 describes a local privilege escalation vulnerability in Windows Installer due to improper handling of insufficient permissions, allowing an authorized attacker to gain elevated privileges.

privilege-escalation windows cve-2026-27910
2r 1t 1c 1i
high advisory

CVE-2026-27909 Use-After-Free in Windows Search Component Allows Privilege Escalation

CVE-2026-27909 is a use-after-free vulnerability in the Microsoft Windows Search Component that allows a locally authorized attacker to escalate privileges.

privilege-escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-27908 Use-After-Free in Windows TDI Translation Driver

A use-after-free vulnerability, CVE-2026-27908, exists in the Windows TDI Translation Driver (tdx.sys), allowing a locally authenticated attacker to elevate privileges.

cve-2026-27908 use-after-free privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-26182: Windows WinSock Use-After-Free Privilege Escalation

CVE-2026-26182 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock, allowing a locally authorized attacker to elevate privileges.

privilege-escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-26181 - Microsoft Brokering File System Use-After-Free Vulnerability

CVE-2026-26181 is a use-after-free vulnerability in the Microsoft Brokering File System that enables a locally authenticated attacker to escalate privileges on the system.

privilege-escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-26179 Windows Kernel Double Free Privilege Escalation

CVE-2026-26179 is a double free vulnerability in the Windows Kernel, allowing a locally authenticated attacker to elevate privileges on the system.

privilege-escalation windows kernel double-free
2r 1t 1c
high advisory

CVE-2026-26163: Windows Kernel Double Free Privilege Escalation

CVE-2026-26163 is a double free vulnerability in the Windows Kernel, allowing an authorized attacker to elevate privileges locally with a CVSS v3.1 score of 7.8.

privilege-escalation windows cve-2026-26163
2r 1t 1c
high advisory

CVE-2026-26153: Windows EFS Out-of-Bounds Read Privilege Escalation

CVE-2026-26153 is an out-of-bounds read vulnerability in the Windows Encrypting File System (EFS) that allows an authorized local attacker to elevate privileges.

efs privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-26152: Windows Cryptographic Services Privilege Escalation

CVE-2026-26152 is an insecure storage of sensitive information vulnerability in Windows Cryptographic Services that allows a local, authorized attacker to elevate privileges.

cve-2026-26152 privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-32183: Windows Snipping Tool Command Injection Vulnerability

CVE-2026-32183 is a command injection vulnerability in the Windows Snipping Tool that allows a local attacker to execute arbitrary code.

command-injection windows vulnerability
2r 2t 1c
high advisory

Windows Win32K Untrusted Pointer Dereference Vulnerability (CVE-2026-32222)

CVE-2026-32222 is an untrusted pointer dereference vulnerability in the Windows Win32K ICOMP component, allowing a local attacker to escalate privileges.

privilege-escalation windows cve-2026-32222
2r 1t 1c
high advisory

CVE-2026-32156 Use-After-Free Vulnerability in Windows UPnP Device Host

CVE-2026-32156 is a use-after-free vulnerability in the Windows Universal Plug and Play (UPnP) Device Host service that allows an unauthorized attacker to execute code locally.

use-after-free windows upnp code-execution
2r 2t 1c
high advisory

CVE-2026-26183 Windows RPC API Local Privilege Escalation

CVE-2026-26183 allows a locally authenticated attacker to escalate privileges due to improper access control within the Windows RPC API.

privilege-escalation windows rpc
2r 1t 1c
high advisory

Windows Server Update Service (WSUS) Privilege Escalation via CVE-2026-26174

CVE-2026-26174 is a race condition vulnerability in Windows Server Update Service that allows an authorized attacker to elevate privileges locally.

cve-2026-26174 privilege-escalation windows wsus
2r 1t 1c
high advisory

CVE-2026-33100: Windows WinSock Use-After-Free Privilege Escalation

CVE-2026-33100 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock, allowing a locally authorized attacker to elevate privileges.

cve-2026-33100 use-after-free privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-32224 Use-After-Free in Windows Server Update Service

CVE-2026-32224 is a use-after-free vulnerability in the Windows Server Update Service that allows a locally authenticated attacker to elevate privileges.

cve-2026-32224 use-after-free privilege-escalation windows
2r 1t 1c
high advisory

Microsoft Brokering File System Double Free Privilege Escalation (CVE-2026-32219)

CVE-2026-32219 is a double free vulnerability in the Microsoft Brokering File System, allowing an authorized attacker to escalate privileges locally on a vulnerable Windows system.

privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-32165 Use-After-Free in Windows User Interface Core

CVE-2026-32165 is a use-after-free vulnerability in Windows User Interface Core that allows a locally authenticated attacker to elevate privileges.

privilege-escalation use-after-free windows
2r 1t 1c
high advisory

Windows COM Privilege Escalation via CVE-2026-32162

CVE-2026-32162 allows an unauthorized attacker to achieve local privilege escalation in Windows COM by exploiting the acceptance of extraneous untrusted data with trusted data.

privilege-escalation windows CVE-2026-32162
2r 1t 1c 1i
high advisory

Windows Push Notifications Race Condition Privilege Escalation (CVE-2026-32159)

CVE-2026-32159 is a race condition vulnerability in Windows Push Notifications, allowing a local attacker with low privileges to elevate privileges by exploiting concurrent execution using a shared resource with improper synchronization.

privilege-escalation race-condition windows
2r 1t 1c
high advisory

Microsoft Brokering File System Race Condition Vulnerability (CVE-2026-32091)

CVE-2026-32091 is a race condition vulnerability in the Microsoft Brokering File System, allowing an unauthenticated local attacker to escalate privileges.

privilege-escalation race-condition windows
2r 1t 1c
high advisory

CVE-2026-32087 Function Discovery Service Privilege Escalation

CVE-2026-32087 is a heap-based buffer overflow vulnerability in the Function Discovery Service (fdwsd.dll) that allows an authorized local attacker to elevate privileges on a Windows system.

privilege-escalation heap-overflow cve windows
2r 1t 1c
high advisory

CVE-2026-32070: Windows CLFS Driver Use-After-Free Privilege Escalation

A use-after-free vulnerability, CVE-2026-32070, exists in the Windows Common Log File System (CLFS) driver, enabling a locally authenticated attacker to escalate privileges on a vulnerable system.

privilege-escalation use-after-free windows
2r 1t 1c
high advisory

Windows UPnP Device Host Untrusted Pointer Dereference Vulnerability (CVE-2026-27920)

CVE-2026-27920 is a local privilege escalation vulnerability in the Windows Universal Plug and Play (UPnP) Device Host due to an untrusted pointer dereference.

windows privilege-escalation cve
2r 1t 1c
high advisory

Windows Shell Race Condition Vulnerability (CVE-2026-27918)

CVE-2026-27918 is a race condition vulnerability in Windows Shell, allowing a local attacker to elevate privileges due to improper synchronization when accessing shared resources.

race-condition privilege-escalation windows
2r 1t 1c
high advisory

Windows Projected File System Buffer Over-Read Privilege Escalation (CVE-2026-26184)

CVE-2026-26184 is a buffer over-read vulnerability in the Windows Projected File System (ProjFS) that allows a local attacker to elevate privileges.

cve-2026-26184 privilege-escalation windows
2r 1t 1c
critical advisory

Windows WARP Integer Truncation Privilege Escalation (CVE-2026-26178)

CVE-2026-26178 is an integer size truncation vulnerability in the Windows Advanced Rasterization Platform (WARP) that allows an unauthorized attacker to elevate privileges locally.

privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-26176 Windows CSC Driver Privilege Escalation

CVE-2026-26176 is a heap-based buffer overflow vulnerability in the Windows Client Side Caching driver (csc.sys), which allows an authorized attacker to elevate privileges locally.

privilege-escalation buffer-overflow windows
2r 1t 1c
high advisory

Windows Remote Desktop Licensing Service Privilege Escalation via CVE-2026-26159

CVE-2026-26159 allows a local attacker to escalate privileges on Windows systems due to a missing authentication check in the Remote Desktop Licensing Service (RDLS).

cve-2026-26159 privilege-escalation windows
2r 1t 1c
high advisory

Easy Video to iPod Converter 1.6.20 Local Buffer Overflow Vulnerability

Easy Video to iPod Converter 1.6.20 is vulnerable to a local buffer overflow in the user registration field, allowing a local attacker to overwrite the structured exception handler (SEH) by providing a crafted payload exceeding 996 bytes in the username field, potentially leading to arbitrary code execution with user privileges.

cve-2019-25701 buffer-overflow local-privilege-escalation windows
2r 2t 1c
critical advisory

RGui 3.5.0 Local Buffer Overflow Vulnerability

RGui 3.5.0 contains a local buffer overflow vulnerability in the GUI preferences dialog that allows attackers to bypass DEP protections through structured exception handling exploitation, leading to arbitrary code execution.

buffer-overflow dep-bypass rgui cve-2018-25258 windows
2r 2t 1c
high advisory

Unauthenticated Denial-of-Service and Information Disclosure in Podman Desktop

Podman Desktop versions prior to 1.26.2 expose an unauthenticated HTTP server, allowing remote attackers to trigger denial-of-service conditions by exhausting resources and extract sensitive information through verbose error responses.

podman-desktop denial-of-service information-disclosure cve-2026-34045 linux windows
2r 4t 1c
high advisory

libssh Insecure Configuration Allows Local MITM Attacks (CVE-2025-14821)

CVE-2025-14821 in libssh allows local man-in-the-middle attacks, SSH downgrade attacks, and trusted host manipulation due to insecure default configuration loading from a world-writable directory on Windows.

libssh mitm windows cve-2025-14821 insecure-configuration
2r 2t 1c
critical advisory

Remote Code Execution Vulnerability in JP1/IT Desktop Management Products (CVE-2025-65115)

CVE-2025-65115 is a remote code execution vulnerability affecting multiple versions of JP1/IT Desktop Management and related products on Windows, potentially allowing attackers to execute arbitrary code on vulnerable systems.

cve-2025-65115 rce jp1 windows
2r 1t 1c
high advisory

Potential File Download via a Headless Browser

Detects the execution of headless browsers from suspicious parent processes with arguments indicative of scripted retrieval, bypassing application control policies and restrictions on direct download tools.

command-and-control headless-browser file-download windows
2r 1t
high advisory

River Past Video Cleaner 7.6.3 SEH Buffer Overflow Vulnerability

River Past Video Cleaner 7.6.3 contains a structured exception handler buffer overflow vulnerability allowing local attackers to execute arbitrary code by providing a malicious string in the Lame_enc.dll field.

cve-2019-25670 buffer-overflow seh-overflow windows
2r 2t 1c
high advisory

R i386 3.5.0 Local Buffer Overflow Vulnerability (CVE-2019-25656)

R i386 version 3.5.0 is susceptible to a local buffer overflow in the GUI Preferences dialog, allowing a local attacker to overwrite the structured exception handler (SEH) by supplying a malicious string to the 'Language for menus and messages' field, leading to arbitrary code execution.

buffer-overflow seh-overwrite code-execution cve-2019-25656 windows
2r 2t 1c 1i
high advisory

AIRBUS PSS TETRA Connectivity Server Privilege Escalation via Incorrect Permissions

AIRBUS PSS TETRA Connectivity Server version 7.0 on Windows Server is vulnerable to incorrect default permissions, allowing local privilege escalation to SYSTEM by placing a malicious file in a specific directory.

cve-2025-7024 privilege-escalation windows
2r 1t 1c
high advisory

Electron Use-After-Free Vulnerability in PowerMonitor Module

A use-after-free vulnerability exists in the `powerMonitor` module of Electron applications on Windows and macOS. When the native `PowerMonitor` object is garbage-collected, dangling references are retained by OS-level resources. Subsequent session-change events on Windows or system shutdowns on macOS may dereference freed memory, potentially leading to a crash or memory corruption.

electron use-after-free vulnerability powermonitor windows macos
2r 1t
high advisory

DeepLoad Malware Distributed via ClickFix

The DeepLoad malware steals credentials, installs malicious browser extensions, spreads via USB drives, and is being distributed via ClickFix campaigns using PowerShell loaders.

deepload clickfix credential-theft windows
2r 3t
critical threat

Qilin Ransomware EDR Killer Infection Chain

Qilin ransomware employs a malicious msimg32.dll in a multi-stage infection chain to disable endpoint detection and response (EDR) solutions by evading detection and terminating EDR processes.

Qilin Ransomware qilin edr-killer ransomware defense-evasion windows
2r 3t 1i
high advisory

HCL BigFix Platform Insecure Permissions Vulnerability (CVE-2026-21765)

HCL BigFix Platform is vulnerable to insecure permissions on private cryptographic keys, where keys on a Windows host may have overly permissive file system permissions, potentially leading to unauthorized access and privilege escalation.

cve-2026-21765 privilege-escalation windows hcl-bigfix
2r 2t 1c
high advisory

Lakeside SysTrack Agent Local Privilege Escalation via Race Condition (CVE-2026-35099)

Lakeside SysTrack Agent 11 before 11.2.1.28 is vulnerable to a race condition that allows for local privilege escalation to SYSTEM, as tracked by CVE-2026-35099.

lakeside systrack privilege-escalation race-condition cve-2026-35099 windows
2r 1t 1c
high advisory

7-Zip Multiple Vulnerabilities Allow Remote Code Execution

Multiple vulnerabilities in 7-Zip allow an attacker to execute arbitrary program code with the privileges of the service, potentially leading to system compromise.

7-zip code-execution vulnerability windows
2r 1t
high advisory

vcpkg OpenSSL Windows Build Path Vulnerability (CVE-2026-34054)

A vulnerability exists in vcpkg versions prior to 3.6.1#3, where Windows builds of OpenSSL set openssldir to a path on the build machine, making that path vulnerable to attack on customer machines.

vulnerability openssl vcpkg cwe-427 windows
2r 2t 1c
medium advisory

Symantec DLP Windows Endpoint Elevation of Privilege Vulnerability (CVE-2026-3991)

CVE-2026-3991 is an elevation of privilege vulnerability in Symantec Data Loss Prevention (DLP) Windows Endpoint that could allow a local attacker to gain elevated access to resources.

vulnerability privilege-escalation symantec dlp windows
2r 1t
high advisory

X-NetStat Pro 5.63 Local Buffer Overflow Vulnerability

X-NetStat Pro 5.63 contains a local buffer overflow vulnerability (CVE-2019-25637) allowing local attackers to execute arbitrary code by overwriting the EIP register.

buffer-overflow code-execution windows cve-2019-25637
2r 1t
high advisory

AIDA64 Business SEH Buffer Overflow Vulnerability (CVE-2019-25631)

AIDA64 Business 5.99.4900 is vulnerable to a local Structured Exception Handling (SEH) buffer overflow (CVE-2019-25631) allowing attackers to execute arbitrary code by overwriting SEH pointers with malicious shellcode.

cve-2019-25631 buffer-overflow seh aida64 windows
2r 3t
high advisory

FlexHEX 2.71 Local Buffer Overflow Vulnerability (CVE-2019-25627)

FlexHEX 2.71 is vulnerable to a local buffer overflow in the Stream Name field, allowing local attackers to execute arbitrary code via a structured exception handler (SEH) overflow.

buffer-overflow seh-overflow local-privilege-escalation windows
2r 2t
high advisory

Lucky Pasta Shellcode Loader for Windows

A shellcode loader dubbed 'Lucky Pasta' employs JIT decryption, string obfuscation, dynamic library loading, fiber-based execution, and AES instruction patching to evade AV detection, retrieving shellcode via HTTP/HTTPS and executing it on Windows systems.

shellcode windows jit defense-evasion
2r 3t 2i
high advisory

JetAudio jetCast Server 2.0 Stack-Based Buffer Overflow

JetAudio jetCast Server 2.0 is vulnerable to a stack-based buffer overflow in the Log Directory configuration, enabling local attackers to overwrite structured exception handling pointers and execute arbitrary code.

buffer-overflow privilege-escalation execution windows
2r 2t 1i
medium advisory

DNS Queries to RMM Domains from Non-Browser Processes

Detection of DNS queries to known remote monitoring and management (RMM) domains originating from non-browser processes on Windows systems indicates potential abuse of legitimate software for command and control.

rmm command-and-control windows
2r 74i
critical advisory

Lavavo CD Ripper 4.20 SEH Buffer Overflow Vulnerability

Lavavo CD Ripper 4.20 is vulnerable to a structured exception handling (SEH) buffer overflow, allowing local attackers to execute arbitrary code by supplying a malicious string in the License Activation Name field leading to arbitrary code execution and a bind shell.

buffer-overflow seh cve-2019-25615 local-privilege-escalation windows
2r 1t
high advisory

Admin Express 1.2.5.485 Local SEH Buffer Overflow Vulnerability

Admin Express 1.2.5.485 is susceptible to a local structured exception handling buffer overflow vulnerability, enabling local attackers to execute arbitrary code via a crafted payload in the Folder Path field of the System Compare feature.

cve-2019-25612 buffer-overflow local-privilege-escalation windows
2r 2t
high advisory

RegPwnBOF Registry Symlink Race Condition Exploit

RegPwnBOF exploits a registry symlink race condition in the Windows Accessibility ATConfig mechanism, enabling a normal user to write arbitrary values to protected HKLM registry keys for persistence and privilege escalation.

registry symlink race-condition accessibility privilege-escalation persistence windows
2r 2t
high advisory

EmEditor Supply Chain Compromise Delivering Infostealer

A trojanized EmEditor installer was distributed through a trusted source, delivering an infostealer, highlighting how attackers exploit legitimate software distribution channels to bypass user trust and security controls.

supply-chain infostealer windows
2r 1t
medium advisory

NetNTLM Hash Phishing via Archive Extraction (CVE-2025-59284)

A phishing technique, potentially still viable due to incomplete patching, allows attackers to obtain NetNTLM hashes from archive extraction on Windows systems (CVE-2025-59284).

credential-access netntlm phishing windows
2r 1t
high advisory

Credential Guard Bypass and Detection Strategies

This brief covers offensive techniques to bypass Credential Guard, a Windows security feature designed to protect credentials, and provides detection strategies for these bypass attempts.

credential-guard bypass windows
2r 2t 1i
medium advisory

Stealthy WMI Lateral Movement via StealthyWMIExec.py

The StealthyWMIExec.py script facilitates lateral movement via WMI, potentially evading standard detection mechanisms by employing stealthy techniques.

lateral-movement wmi windows
2r 1t
medium advisory

GlassWorm Campaign Deploying Wave 3 Windows Payload

The GlassWorm campaign has been observed deploying a Wave 3 Windows payload, indicating ongoing malicious activity targeting Windows systems.

glassworm malware windows
2r 2t
high advisory

Malware Spreading Through Fake 'Claude Code' Google Ads

Malware is distributed via malicious advertisements on Google impersonating 'Claude Code', targeting both Windows and macOS operating systems with the goal of infecting users.

malware google_ads initial_access windows macos
2r 1t
high advisory

RegPwn Windows Local Privilege Escalation Vulnerability

RegPwn is a now-fixed local privilege escalation vulnerability in Windows that allowed an attacker to gain elevated privileges.

windows lpe privilege-escalation
2r 1t
medium threat

Potential Web Shell ASPX File Creation

The creation of ASPX files in web server directories, excluding legitimate processes, indicates potential web shell deployment for persistence on Windows systems.

exploited SharePoint web-shell persistence windows
2r 1t
high advisory

Outlook Home Page Registry Modification for Command and Control or Persistence

Attackers abuse the Outlook Home Page functionality by modifying specific registry keys to point to attacker-controlled URLs or file paths, enabling command and control or persistence on compromised Windows systems.

Outlook registry command-and-control persistence windows
2r 2t
medium advisory

Windows SIP Provider Modification for Defense Evasion

This brief covers the modification of Subject Interface Package (SIP) providers on Windows systems, a technique used by attackers to bypass signature validation checks and inject malicious code into critical processes, ultimately leading to defense evasion.

Windows defense-evasion registry
1r 1t
medium advisory

VScode Remote Tunnel Abuse for Command and Control

Adversaries are leveraging the VScode remote tunnel feature to establish unauthorized access and control over Windows systems, potentially enabling command and control activities via disguised legitimate software.

Visual Studio Code vscode remote-access command-and-control windows
2r 1t
high advisory

Command and Scripting Interpreter via Windows Scripts

This rule detects the execution of PowerShell, PowerShell ISE, or Cmd spawned from Windows Script Host or MSHTA, indicating potential abuse of scripting interpreters to execute malicious commands or scripts on Windows systems.

Microsoft Defender XDR +8 execution scripting windows
2r 1t
medium advisory

Active Directory Group Modification by SYSTEM Account

Detection of a user being added to an Active Directory group by the SYSTEM account (S-1-5-18) can indicate an attacker with SYSTEM privileges attempting to pivot to a domain account.

Active Directory persistence privilege-escalation windows
2r 2t
high advisory

WDAC Policy File Creation by Unusual Process

Adversaries may create Windows Defender Application Control (WDAC) policy files using unusual processes to impair defenses and restrict the execution of security products on compromised systems.

Windows Defender Application Control wdac defense-evasion windows
2r 1t
medium threat

Potential Web Shell ASPX File Creation

This rule identifies the creation of ASPX files in web server directories, commonly targeted by attackers to deploy web shells for persistence, by monitoring file creation events and excluding known legitimate processes.

exploited SharePoint web-shell aspx persistence windows
2r 1t
medium advisory

Microsoft Management Console File Execution from Unusual Path

This rule identifies the execution of Microsoft Management Console (MMC) files from unusual paths, a technique adversaries may use to bypass security controls and execute malicious code.

Microsoft Management Console execution defense-evasion windows
2r 5t
medium advisory

Local SxS Shared Module DLL Hijacking

Adversaries may abuse shared modules in local Side-by-Side (SxS) folders to execute malicious payloads by instructing the Windows module loader to load DLLs from arbitrary local paths, potentially bypassing security controls.

Windows dll-hijacking execution defense-evasion
2r 2t
high advisory

Windows Hosts Querying Abused Web Services

Suspicious processes on Windows hosts are making DNS queries to known, abused web services such as text-paste sites, file sharing platforms, and tunneling services, potentially indicating malware downloading or command and control activity.

Microsoft Windows +4 abused-web-services command-and-control windows
2r 1t 33i
high advisory

Foxmail Client Exploitation Leading to Initial Access

The rule detects potential exploitation of the Foxmail email client on Windows systems, where successful exploitation allows for initial access and execution of arbitrary code.

Foxmail client foxmail exploitation initial-access execution windows
2r 3t
medium advisory

MsiExec Child Process Spawning Network Connections for Defense Evasion

Detection of MsiExec spawning child processes that initiate network connections, potentially indicating abuse of Windows Installers for malware delivery and defense evasion.

Elastic Defend +3 defense-evasion windows msiexec
2r 1t
medium advisory

Detection of Suspicious VScode Remote Tunnel Usage

This brief details the detection of potential command and control activity through the suspicious use of the VScode remote tunnel feature, which allows attackers to establish unauthorized remote access to systems.

Visual Studio Code command-and-control vscode remote-access windows
2r 1t
high advisory

Suspicious Windows Command Shell Arguments

This rule identifies suspicious uses of the Windows Command Shell (cmd.exe) with unusual command-line arguments often associated with malware installation, script execution, or system manipulation.

Windows execution command-shell
2r 5t
medium advisory

Persistence via Windows Installer (Msiexec)

Adversaries may establish persistence by abusing the Windows Installer (msiexec.exe) to create scheduled tasks or modify registry run keys, allowing for malicious code execution upon system startup or user logon.

Windows +21 persistence defense-evasion
3r 3t
medium advisory

Service DACL Modification via sc.exe

Adversaries modify a service's DACL (Discretionary Access Control List) via `sc.exe` to deny access to key user groups, potentially making the service unstoppable or hiding it from users and the system, in order to evade defenses and persist.

Windows defense-evasion persistence
2r 2t
medium advisory

Suspicious Execution via Windows Command Debugging Utility (cdb.exe)

Adversaries can abuse the Windows command line debugging utility cdb.exe, specifically when executed from non-standard paths with specific command-line arguments (-cf, -c, -pd), to execute commands or shellcode for defense evasion.

Windows defense-evasion lolbas
2r 2t
medium advisory

Potential WSUS Abuse for Lateral Movement via PsExec

This rule detects potential abuse of Windows Server Update Services (WSUS) for lateral movement by identifying suspicious processes, specifically PsExec, initiated by WSUS (wuauclt.exe).

Windows Server Update Services lateral-movement windows wsus psexec
2r 2t
high advisory

Suspicious Process Accessing Windows Recall Directory

This detection identifies processes accessing the Windows Recall directory, a feature that takes screenshots every few seconds, and due to initial security shortcomings, could be exploited by malware to steal sensitive data.

Windows Recall credential-access execution windows
2r 2t
high advisory

Unusual Execution via Microsoft Common Console File

Adversaries may embed a malicious command in an MSC file to trick victims into executing malicious commands, leading to potential initial access, execution of malicious code, and defense evasion.

Microsoft Management Console execution initial-access defense-evasion windows
2r 4t
medium advisory

Unsigned DLL Loaded by DNS Service

The rule identifies the loading of unusual or unsigned DLLs by the DNS Server process, which can indicate exploitation of the ServerLevelPluginDll functionality, potentially leading to privilege escalation and remote code execution with SYSTEM privileges.

Elastic Defend privilege-escalation execution persistence windows
2r 3t
medium advisory

Potential Veeam Credential Access via SQL Commands

Attackers can leverage sqlcmd.exe or PowerShell commands like Invoke-Sqlcmd to access Veeam credentials stored in MSSQL databases, potentially targeting backups for destructive operations such as ransomware attacks.

Microsoft Defender XDR +1 veeam credential-access mssql windows ransomware
2r 5t
medium advisory

NTDS Dump via Wbadmin

Attackers with Backup Operator privileges may abuse wbadmin.exe to access the NTDS.dit file, enabling credential dumping and domain compromise.

Microsoft Defender XDR +4 credential-access windows wbadmin ntds.dit
2r 2t
medium advisory

Microsoft Management Console File Execution from Unusual Path

Adversaries may use Microsoft Management Console (MMC) files from untrusted paths to bypass security controls for initial access and execution on Windows systems.

Microsoft Management Console File +2 execution defense-evasion windows
2r 4t
medium advisory

DNS Global Query Block List Modified or Disabled

Attackers with DNSAdmin privileges can modify or disable the DNS Global Query Block List (GQBL) in Windows, allowing exploitation of hosts running WPAD with default settings for privilege escalation and lateral movement.

Elastic Defend +4 defense-evasion registry-modification windows
2r 3t
high advisory

Suspicious Registry Hive Access via RegBack

This rule detects attempts to access registry backup hives (SAM, SECURITY, SYSTEM) via RegBack on Windows systems, which can contain or enable access to credential material.

Endpoint Defense +6 credential-access regback windows
2r 1t
low advisory

Suspicious DNS-Named Record Creation in Active Directory Integrated DNS

Detection of DNS record creation by non-system accounts within Active Directory Integrated DNS (ADIDNS), which attackers can abuse to perform Dynamic Spoofing attacks, potentially targeting services like WPAD for credential access.

Active Directory +1 credential-access windows active-directory
2r 1t
high advisory

Unusual Execution via Microsoft Common Console File

Adversaries may embed a malicious command in an MSC file in order to trick victims into executing malicious commands, leading to initial access and execution of arbitrary code.

Common Console File +6 execution initial-access windows msc
2r 2t
high advisory

Windows Parent Process PID Spoofing Detection

Adversaries use parent process PID spoofing to evade detection by creating processes with mismatched parent-child relationships, hindering process monitoring and potentially elevating privileges on Windows systems.

Elastic Defend defense-evasion process-injection windows
3r 1t
high advisory

Windows HTTP.sys Local Privilege Escalation Vulnerability (CVE-2026-21250)

A local privilege escalation vulnerability exists in Windows 11 24H2, Windows 11 25H2, and Windows Server 2022 23H2 due to improper handling of untrusted pointers in HTTP.sys via strcat truncation.

Windows 11 +1 local-privilege-escalation windows cve-2026-21250 http.sys
2r 1t 1c
low advisory

Enumerating Domain Trusts via DSQUERY.EXE

Adversaries may use dsquery.exe to enumerate domain trusts, which can be leveraged for lateral movement in Windows multi-domain environments.

Windows +1 discovery domain-trust
2r 2t
high advisory

Potential ADIDNS Poisoning via Wildcard Record Creation

Attackers can create wildcard records in Active Directory Integrated DNS (ADIDNS) to redirect traffic, enabling adversary-in-the-middle attacks for credential interception or relay.

Active Directory Integrated DNS credential-access adidns windows active-directory
2r 1t
medium advisory

Microsoft Defender Tampering via Registry Modification

Adversaries may disable or tamper with Microsoft Defender features to evade detection and conceal malicious behavior by modifying specific registry keys and values.

Microsoft Defender defense-evasion registry-modification windows
3r 2t
high advisory

Suspicious Execution from INetCache Folder

The rule detects suspicious execution of processes from the INetCache folder, often indicative of malicious payloads delivered via WININET, potentially signaling initial access or command and control activity.

Windows initial-access command-and-control execution inetcache
2r 3t 1c
high advisory

Suspicious Execution of Windows Scripts from WebDAV Share

Adversaries may execute Windows scripts directly from a remote WebDAV share to evade detection and avoid writing malicious files to disk; this activity is detected by monitoring process command lines for suspicious WebDAV paths.

Windows webdav script-execution
2r 5t
medium advisory

Remote File Copy to a Hidden Share

Detects remote file copy attempts to hidden network shares, indicative of lateral movement or data staging, by monitoring command-line tools like cmd.exe and powershell.exe for hidden share patterns.

Windows lateral-movement collection
2r 3t
medium advisory

Suspicious Child Processes from Communication Applications

The detection rule identifies suspicious child processes spawned from communication applications on Windows systems, potentially indicating masquerading or exploitation of vulnerabilities within these applications.

Elastic Defend +12 defense-evasion persistence windows
3r 3t
high advisory

Potential DMSA Abuse for Privilege Escalation

Detection of potential abuse of Default Message Security Agent (DMSA) for privilege escalation on Windows systems, based on registry modifications.

Windows privilege-escalation dmsa
2r 1t
medium advisory

Potential Account Takeover via Mixed Logon Types

Atypical logon patterns, where a high-volume account (e.g., service account) exhibits successful logons using an unusual logon type with low frequency, may indicate account takeover or stolen credentials.

Windows account-takeover privilege-escalation
2r 1t
high advisory

Persistence via Malicious Microsoft Office Add-ins

Attackers can establish persistence by placing malicious add-ins (e.g., .xll, .xlam) in Microsoft Office startup directories, ensuring execution each time the application launches.

Microsoft Office +2 persistence office-addins windows
2r 1t
medium advisory

Suspicious Svchost.exe Spawning Cmd.exe

Detects suspicious activity where svchost.exe spawns cmd.exe, potentially indicating malware masquerading or privilege escalation on Windows systems.

Windows execution svchost cmd
2r 2t
medium advisory

Potential Enumeration via Active Directory Web Service

Adversaries may abuse the Active Directory Web Service (ADWS) to enumerate network resources and user accounts, by loading AD-related modules followed by a network connection to the ADWS dedicated TCP port.

Active Directory Web Service active-directory enumeration adws discovery windows
2r 3t
high advisory

Wireless Credential Dumping via Netsh

Adversaries use the Windows built-in utility Netsh to dump Wireless saved access keys in clear text, potentially leading to credential compromise.

Defender XDR +2 credential-access netsh windows
2r 2t
medium advisory

WinRAR and 7-Zip Encryption Abuse for Data Exfiltration Preparation

Adversaries use WinRAR or 7-Zip to create encrypted archives in preparation for data exfiltration, using command-line arguments to enable encryption functionality.

WinRAR +1 data-exfiltration archive encryption windows
3r 2t
low advisory

Windows USN Journal Deletion via fsutil.exe

Adversaries may delete the USN journal on Windows systems using `fsutil.exe` to remove evidence of file modifications and other activities, hindering forensic investigations and incident response.

Windows defense-evasion anti-forensics fsutil
2r 1t
medium advisory

Windows Defender Disabled via Registry Modification

Attackers modify Windows Defender registry settings to disable the service or set the service to manual start, evading defenses to operate undetected.

Windows Defender defense-evasion windows registry-modification
3r 3t
medium advisory

Windows Console History Clearing

Adversaries may clear the command history of a compromised account to conceal the actions undertaken during an intrusion on a Windows system.

M365 Defender +1 defense-evasion powershell windows
2r 2t
medium advisory

System Information Discovery Detection

This detection identifies system information discovery techniques by monitoring process execution logs for commands like `wmic qfe`, `systeminfo`, and `hostname`, often used by attackers to gather system configuration details for further exploitation, potentially leading to privilege escalation, persistence, or data exfiltration.

Windows discovery endpoint
2r 1t
medium advisory

Suspicious Windows Process Cluster from Parent Process via Machine Learning

A machine learning model detected a parent process spawning a cluster of suspicious Windows processes with high malicious probability scores, potentially indicating LOLBins usage and defense evasion.

Windows defense-evasion lolbin
2r 2t
medium advisory

Suspicious Explorer Child Process via DCOM

A suspicious Windows Explorer child process is detected, indicating potential exploitation of explorer.exe to launch malicious scripts or executables from a trusted parent process via DCOM.

Windows explorer.exe dcom initial-access defense-evasion execution
3r 9t
low advisory

Netsh Helper DLL Persistence

Attackers may abuse the Netsh Helper DLL functionality by adding malicious DLLs to execute payloads every time the netsh utility is executed via administrators or scheduled tasks, achieving persistence.

Microsoft Defender XDR +3 persistence windows netsh registry
2r 2t
medium advisory

Expired or Revoked Driver Loaded

An expired or revoked driver being loaded on a Windows system may indicate an attempt to gain code execution in kernel mode or abuse revoked certificates for malicious purposes, potentially leading to privilege escalation or defense evasion.

Elastic Defend privilege-escalation defense-evasion windows
2r 3t
low advisory

MsXsl.exe Network Connection for Defense Evasion

Msxsl.exe, a legitimate Windows utility, is being abused by adversaries to make network connections to non-local IPs for command and control or data exfiltration, potentially bypassing security measures.

Elastic Defend +1 defense-evasion command-and-control windows msxsl
2r 2t
low advisory

Windows Account Discovery of Administrator Accounts

The rule identifies instances of lower privilege accounts enumerating Administrator accounts or groups using built-in Windows tools like net.exe and wmic.exe, potentially indicating reconnaissance activity by an attacker after initial compromise.

Windows discovery account-discovery
2r 4t
high advisory

Windows TCP/IP Race Condition Privilege Escalation (CVE-2026-27921)

CVE-2026-27921 is a race condition vulnerability in Windows TCP/IP that allows a locally authenticated attacker to elevate privileges.

Windows privilege-escalation race condition
2r 1t 1c
high advisory

Windows SSDP Service Race Condition Privilege Escalation (CVE-2026-32082)

CVE-2026-32082 is a race condition vulnerability in the Windows SSDP Service that allows an authorized attacker to elevate privileges locally.

Windows cve-2026-32082 privilege-escalation
2r 1t 1c
medium advisory

VaultCmd Usage for Listing Windows Credentials

Adversaries may use vaultcmd.exe to list credentials stored in the Windows Credential Manager to gain unauthorized access to saved usernames and passwords, potentially in preparation for lateral movement.

Microsoft Defender XDR +1 credential-access windows vaultcmd
2r 2t
high advisory

Suspicious Managed Code Hosting Process

This rule detects suspicious managed code hosting processes on Windows systems, potentially indicating code injection or defense evasion tactics by monitoring file events associated with processes commonly used to host managed code, such as wscript.exe, cscript.exe, and mshta.exe.

M365 Defender +3 defense-evasion windows managed code lolbin
2r 1t
medium advisory

Program Files Directory Masquerading

Adversaries may masquerade malicious executables within directories mimicking the legitimate Windows Program Files directory to evade defenses and execute untrusted code.

Elastic Defend +2 defense-evasion masquerading windows
2r 1t
medium advisory

Potential LSASS Memory Dump Activity

This brief covers the potential for credential access via LSASS memory dumping, a technique used to steal credentials from memory, though specific details are absent from the provided source.

Windows credential-access lsass memory-dump
2r 1t
medium advisory

Potential Evasion via Filter Manager

Adversaries may abuse the Filter Manager Control Program (fltMC.exe) to unload filter drivers, evading defenses like EDR and antivirus.

Windows defense-evasion filter-manager
2r 1t
low threat

AdFind Active Directory Reconnaissance Activity

AdFind.exe, a legitimate Active Directory query tool, is commonly abused by threat actors such as Trickbot, Ryuk, Maze, and FIN6 for post-exploitation Active Directory reconnaissance, enabling enumeration of objects like computers, people, subnets, and domain information.

Active Directory Trickbot +3 adfind active-directory reconnaissance discovery windows
3r 5t
high advisory

Potential Remote Install via MsiExec

This rule detects attempts to install a file from a remote server using MsiExec, which adversaries may abuse to deliver malware, by identifying msiexec.exe processes running with arguments indicative of remote installations and executed from suspicious parent processes.

Microsoft Defender XDR +3 defense-evasion windows msiexec remote-install
2r 1t
low advisory

Potential Exploitation of an Unquoted Service Path Vulnerability

This rule detects potential exploitation of unquoted service path vulnerabilities, where adversaries may escalate privileges by placing a malicious executable in a higher-level directory within the path of an unquoted service executable.

Microsoft Defender XDR +4 privilege-escalation unquoted-service-path windows
2r 1t
medium advisory

Local Account TokenFilter Policy Modification for Defense Evasion

Modification of the LocalAccountTokenFilterPolicy registry key to enable high-integrity tokens for local administrator accounts is detected, potentially allowing attackers to bypass User Account Control (UAC) and facilitate lateral movement.

Windows defense-evasion lateral-movement registry-modification
2r 3t
medium advisory

Remote File Download via Script Interpreter

Attackers are using Windows script interpreters (cscript.exe or wscript.exe) to download executable files from remote locations to deliver second-stage payloads or download tools.

Windows Script Host command-and-control execution windows script_interpreter
2r 3t
medium advisory

Kerberos Pre-authentication Disabled for User Account

Detection of Kerberos pre-authentication being disabled for a user account, potentially leading to AS-REP roasting and offline password cracking by attackers with GenericWrite or GenericAll rights over the account.

Active Directory kerberos credential-access as-rep-roasting active-directory windows
3r 4t
high advisory

AMSI Enable Registry Key Modification for Defense Evasion

Adversaries modify the AmsiEnable registry key to 0 to disable Windows Script AMSI scanning, bypassing AMSI protections for Windows Script Host or JScript execution.

Microsoft Defender XDR +4 defense-evasion amsi registry windows
2r 1t
high advisory

Pre-Ransomware Active Directory Discovery Burst

Attackers perform a burst of Active Directory discovery commands on a Windows host to gather information prior to ransomware deployment.

Windows +1 active-directory discovery ransomware
3r 3t
medium advisory

Application Compatibility Shim Database Installation for Persistence

Attackers abuse Application Compatibility Shims to establish persistence by installing custom shim databases, allowing for stealthy code execution within legitimate Windows processes.

Windows persistence app-compat
2r 1t
medium advisory

Active Directory msPKIAccountCredentials Modification

Attackers can modify the msPKIAccountCredentials attribute in Active Directory user objects to abuse credential roaming, potentially overwriting files for privilege escalation, by injecting malicious credential objects.

Active Directory privilege-escalation credential-roaming active-directory windows
2r 2t
low advisory

Detection of Malicious Browser Extension Installation

This rule detects the installation of browser extensions, a persistence mechanism where attackers install malicious extensions via app store downloads, social engineering, or compromised systems, focusing on file creation events in extension directories on Windows.

Firefox +1 persistence browser-extension windows
2r
medium advisory

Potential NetNTLMv1 Downgrade Attack via Registry Modification

Attackers modify the Windows registry to weaken NTLM authentication, forcing a downgrade to the less secure NTLMv1 protocol, potentially leading to credential compromise.

Windows ntlm downgrade registry defense-evasion credential-access
2r 2t
medium advisory

Windows Scheduled Tasks AT Command Enabled via Registry Modification

Attackers may enable the deprecated Windows scheduled tasks AT command via registry modification to achieve local persistence or lateral movement on a compromised system.

Windows defense_evasion execution
2r 2t
high advisory

Windows EFI Bootloader File Modification Detection

A process writing to critical EFI bootloader files (bootmgfw.efi or bootx64.efi) within the \EFI\Boot\ directory may indicate a bootkit installation, malicious code persistence at the firmware level, or tampering with the system boot process.

Splunk Enterprise +2 bootkit persistence efi bootloader windows
2r 1t 1c
high advisory

PowerShell Kerberos Ticket Dumping via LSA Authentication Package Access

Detection of PowerShell scripts attempting to dump Kerberos tickets from memory by accessing LSA authentication packages, potentially leading to credential access and lateral movement.

PowerShell credential-access kerberos windows
2r 1t
high advisory

LSASS Memory Dump Creation Detection

This rule detects the creation of LSASS memory dumps, which may indicate a credential access attempt via tools like Task Manager, SQL Dumper, Dumpert, and AndrewSpecial.

Windows credential-access lsass memory-dump
2r 1t
medium advisory

LSASS Credential Dumping via Windows Error Reporting (WER) Abuse

Attackers can enable full user-mode dumps system-wide via registry modification to facilitate LSASS credential dumping, allowing extraction of credentials from process memory without deploying malware.

Elastic Defend +2 credential-access windows lsass wepw
2r 2t
high advisory

Execution via TSClient Mountpoint

The rule detects execution of processes from the Remote Desktop Protocol (RDP) shared mountpoint tsclient on a target host, indicating a potential lateral movement attempt by executing malicious files from the shared mountpoint.

Windows lateral-movement rdp
2r 2t
low advisory

Detection of Malicious Browser Extension Installation

This rule identifies the installation of potentially malicious browser extensions, which adversaries can leverage for persistence and unauthorized activity by monitoring file creation events in common browser extension directories on Windows systems.

Elastic Defend +2 persistence browser-extension windows
2r
medium advisory

Unusual Network Connection via RunDLL32

The rule detects unusual outbound network connections made by rundll32.exe, specifically when executed with minimal arguments, which may indicate command and control activity or defense evasion tactics on Windows systems.

Elastic Defend +1 defense-evasion command-and-control windows
2r 2t
medium advisory

Persistence via BITS Job Notify Cmdline

Adversaries can achieve persistence by abusing the Background Intelligent Transfer Service (BITS) SetNotifyCmdLine method to execute a program after a job finishes, leading to arbitrary code execution and system compromise.

Defender XDR +2 persistence bits windows
2r 1t
medium advisory

Network-Level Authentication (NLA) Disabled via Registry Modification

Detection of attempts to disable Network-Level Authentication (NLA) by modifying the registry on Windows systems, potentially enabling persistence methods and unauthorized access.

Windows defense-evasion lateral-movement registry-modification
2r 3t
high threat

Suspicious Microsoft Diagnostics Wizard Execution

This rule detects potential abuse of the Microsoft Diagnostics Troubleshooting Wizard (MSDT) to proxy malicious command or binary execution via malicious process arguments on Windows systems.

Elastic Defend +2 defense-evasion msdt windows
3r 1t
high advisory

Wireless Credential Dumping using Netsh Command

Attackers may attempt to dump wireless credentials using `netsh.exe` to gain unauthorized network access, potentially leading to lateral movement and data compromise.

Windows credential-access discovery netsh wireless
2r 4t
high advisory

Unusual Executable File Creation by a System Critical Process

The rule identifies unexpected executable file creation or modification by critical Windows processes, potentially indicating remote code execution or exploitation attempts.

Microsoft Defender XDR +3 defense-evasion execution windows
2r 1t
high advisory

First Time Seen Account Performing DCSync

Detection of a user account initiating the Active Directory replication process for the first time, potentially indicating a DCSync attack for credential theft and domain compromise.

Active Directory credential-access privilege-escalation windows active-directory
2r 1t
high advisory

Excel Spawning Uncommon Microsoft Applications

Microsoft Excel spawning uncommon Microsoft application executables like WINPROJ.EXE, FOXPROW.exe, or SCHDPLUS.exe is anomalous and may indicate malicious activity, such as malware execution, persistence mechanisms, or command-and-control attempts.

Microsoft Excel +3 lateral-movement execution initial-access windows
3r 1t
medium advisory

NTDS Dump via Wbadmin Execution

Adversaries with Backup Operator privileges can abuse the legitimate Windows utility `wbadmin.exe` to dump the NTDS.dit file, enabling credential access and domain compromise.

Windows +1 credential-access defense-evasion
2r 3t
medium advisory

Windows Script Execution from Archive File

This rule identifies attempts to execute Jscript/Vbscript files from an archive file, a common delivery method for malicious scripts on Windows systems.

M365 Defender +2 execution windows scripting archive
2r 3t
high advisory

Windows MSI Rollback Script Deletion by Non-Msiexec Process

Detection of a rollback script (.rbs) file deletion under C:\Config.Msi by a non-msiexec.exe process, indicating a potential MSI rollback privilege escalation attack.

Splunk Enterprise +2 privilege-escalation rollback windows
2r 2t 1c
medium advisory

Unusual Process Performing NewCredentials Logon

Anomalous NewCredentials logon events triggered by uncommon processes may indicate access token manipulation for privilege escalation.

Windows privilege-escalation token-manipulation
2r 1t
low advisory

Unusual Group Name Accessed by User via Privileged Access Detection

A machine learning job detected a user accessing an uncommon group name for privileged operations, potentially indicating privilege escalation or unauthorized account manipulation on a Windows system.

Windows privileged-access-detection privilege-escalation
2r 5t
medium advisory

Rare SMB Connection to the Internet

This rule detects rare network connections via the SMB protocol to external networks, where SMB is commonly abused to exfiltrate data or leak NTLM credentials via UNC path injection.

Windows exfiltration credential-access smb
2r 2t
medium advisory

Potential Account Takeover via Logon from New Source IP

Atypical login activity where a user account, normally logging in from a high-volume, single source IP, suddenly authenticates from a different IP address, potentially indicating account takeover or stolen credentials.

Windows account-takeover credential-access
2r 1t
high advisory

Mako Template Engine Path Traversal Vulnerability on Windows

A path traversal vulnerability exists in Mako versions 1.3.11 and earlier on Windows, allowing attackers to read arbitrary files outside the configured template directory by using backslashes in URIs to bypass directory traversal checks.

Mako path-traversal vulnerability windows
2r 1t
medium advisory

Executable File Creation with Multiple Extensions

Detection of executable files created with multiple extensions, a masquerading technique to evade defenses.

Elastic Defend +3 defense-evasion execution masquerading windows
2r 2t
high advisory

Credential Acquisition via Registry Hive Dumping

Detects attempts to export sensitive Windows registry hives (SAM/SECURITY) using reg.exe, potentially leading to credential compromise.

Elastic Endgame +6 credential-access registry-dump windows
2r 1t
high advisory

Briefcase MSI Installer Privilege Escalation Vulnerability

Briefcase versions 0.3.0 to 0.3.25 create an insecure directory during Windows MSI installer creation, leading to potential privilege escalation by allowing low-privilege users to modify binaries that may be executed by administrators.

Briefcase privilege-escalation windows msi
2r 1t
high advisory

CVE-2026-32150 Function Discovery Service Race Condition Privilege Escalation

CVE-2026-32150 describes a race condition vulnerability in the Function Discovery Service (fdwsd.dll) that allows a locally authorized attacker to elevate privileges on a Windows system.

Windows privilege-escalation race-condition
2r 1t 1c
low advisory

Spike in Number of Processes in an RDP Session

A machine learning job has detected an unusually high number of processes started within a single Remote Desktop Protocol (RDP) session, potentially indicating lateral movement activity.

lateral-movement threat-detection windows
2r 2t
medium advisory

Process Execution from Unusual Windows Directories

Adversaries may execute processes from unusual Windows directories to masquerade malware as legitimate software and evade defenses.

Windows defense-evasion masquerading
1r 1t
low advisory

Unusual Process Spawned by a Parent Process via Machine Learning

A machine learning job detected a suspicious Windows process, predicted malicious by the ProblemChild model and flagged as an unusual child process name for its parent, potentially indicating LOLbins usage and evading traditional detection.

defense-evasion lolbins windows machine-learning
2r 2t
medium advisory

Suspicious Microsoft Outlook Child Processes

Detects suspicious child processes spawned by Microsoft Outlook, commonly associated with spear phishing attacks and the execution of malicious payloads.

Outlook initial-access execution defense-evasion phishing windows
2r 10t
high advisory

Script Interpreter Spawning Credential Scanner

A script interpreter such as node.exe or bun.exe spawning a credential scanning tool like trufflehog or gitleaks indicates potential credential compromise, as seen in the Shai-Hulud campaign.

npm +3 credential-access malware windows
2r 3t
medium advisory

Local Account TokenFilter Policy Modification

An adversary modifies the LocalAccountTokenFilterPolicy registry key to weaken security controls and enable privilege escalation, allowing them to bypass User Account Control (UAC) and gain elevated privileges remotely.

Windows defense-evasion lateral-movement
2r 4t
high advisory

Detection of PowerShell HackTool Scripts by Author Attribution

This rule detects potential PowerShell HackTool scripts by identifying script block content containing known offensive-tool author handles or attribution strings, indicative of attackers using public tooling with minimal modifications.

powershell execution windows threat_detection
2r 1t
medium advisory

Detection of Persistent Scripts in the Startup Directory

This rule identifies script engines creating files in the Startup folder, or the creation of script files in the Startup folder, enabling adversaries to maintain persistence by placing malicious scripts or shortcuts in the Windows Startup folder, which are then executed during account logon.

Windows persistence startup-folder malware
2r 2t
medium advisory

Suspicious WMIC XSL Script Execution

This rule detects suspicious execution of scripts via WMIC, potentially used for allowlist bypass, by identifying WMIC executions with atypical arguments and the loading of specific libraries like jscript.dll or vbscript.dll for defense evasion and execution.

Elastic Defend defense-evasion execution windows
2r 3t
medium advisory

ProblemChild ML Detection of Suspicious Windows Processes

The ProblemChild machine learning model has detected a user with suspicious Windows processes exhibiting unusually high malicious probability scores, potentially indicating defense evasion via masquerading or LOLbins.

Windows defense-evasion machine-learning
2r 2t
medium advisory

Potential Ransomware Behavior - Note Files Dropped via SMB

This rule detects potential ransomware behavior by identifying the creation of multiple files with the same name over SMB by the SYSTEM account, potentially indicating remote execution of ransomware dropping note files.

Elastic Defend ransomware impact lateral-movement windows
2r 4t
medium advisory

Detection of Sensitive LDAP Attribute Access

This rule detects unauthorized access to sensitive Active Directory object attributes such as unixUserPassword, ms-PKI-AccountCredentials, and msPKI-CredentialRoamingTokens, potentially leading to credential theft and privilege escalation.

Active Directory +1 credential-access privilege-escalation collection windows
2r 5t
medium advisory

Detect Suspicious Windows Service Installation

This detection identifies the creation of new Windows services with suspicious command values, often used for privilege escalation and persistence by malicious actors.

Windows persistence privilege_escalation service_creation
2r 1t
medium advisory

Windows Sandbox Abuse with Sensitive Configuration

This rule detects the abuse of Windows Sandbox with sensitive configurations to evade detection, where malware may abuse the sandbox feature to gain write access to the host file system, enable network connections, and automatically execute commands via logon, identifying the start of a new container with these sensitive configurations.

Microsoft Defender XDR +4 defense-evasion windows-sandbox windows
3r 1t
high advisory

Renamed Automation Script Interpreter Detection

This rule identifies renamed Automation Script Interpreter processes, often used by malware written in AutoIt/AutoHotKey to evade detection by renaming the executable.

AutoIt +2 defense-evasion execution masquerading windows
2r 2t
high advisory

PowerShell Kerberos Ticket Request via KerberosRequestorSecurityToken

This rule detects PowerShell scripts that request Kerberos service tickets using KerberosRequestorSecurityToken, potentially indicating Kerberoasting attacks for offline password cracking of service accounts.

Elastic Security kerberoasting credential_access windows
2r 1t
medium advisory

Unsigned DLL Loaded by Svchost for Persistence and Privilege Escalation

Adversaries may load unsigned DLLs into svchost.exe to establish persistence or escalate privileges, leveraging a shared Windows service to execute malicious code with elevated permissions.

Elastic Defend persistence defense-evasion execution windows dll-injection
2r 4t 5i
high advisory

Web Shell Activity Detection via Process Monitoring

This brief focuses on detecting malicious activity related to web shells on Windows systems by identifying the execution of command interpreters and scripting engines as child processes of common web server processes, potentially indicating unauthorized command execution and persistent access.

Windows +3 webshell persistence initial-access execution
2r 4t
medium advisory

Suspicious Process Execution via Renamed PsExec Executable

The rule identifies suspicious PsExec activity where the psexec service is executed from a renamed executable, possibly to evade detection and enable lateral movement.

PsExec +1 lateral-movement defense-evasion windows
2r 3t
medium advisory

Windows Subsystem for Linux Distribution Installation via Registry Modification

Detects the installation of a new Windows Subsystem for Linux (WSL) distribution through registry modifications, which can be leveraged by attackers to evade security measures and execute malicious activities on Windows systems.

Windows Subsystem for Linux defense-evasion execution windows wsl
2r 3t
high advisory

Windows Event Log Cleared

Detection of Windows event log clearing using Event IDs 1102 (Security) or 104 (System) which may indicate an attempt to hide malicious activity and impede forensic investigation.

Windows defense-evasion event-logs
2r 1t
medium advisory

Netsh Used to Enable Remote Desktop Protocol (RDP) in Windows Firewall

Adversaries use the `netsh.exe` utility to enable inbound Remote Desktop Protocol (RDP) connections through the Windows Firewall, potentially for unauthorized remote access and lateral movement.

Windows +1 defense-evasion lateral-movement rdp
2r 2t
high advisory

Conhost Spawned By Suspicious Parent Process

The Windows Console Host process (conhost.exe) spawned by a suspicious parent process, such as lsass.exe or explorer.exe, can indicate code injection used to bypass application allowlisting and execute malicious commands.

Windows execution defense-evasion privilege-escalation process-injection
2r 3t
high advisory

Potential Antimalware Scan Interface Bypass via PowerShell

This rule detects PowerShell scripts that attempt to bypass the Antimalware Scan Interface (AMSI) in order to disable scanning and execute malicious PowerShell code undetected.

defense-evasion amsi powershell windows
3r 1t
critical advisory

Unauthenticated Remote File Read Vulnerability in Sonarr (CVE-2026-30976)

CVE-2026-30976 allows an unauthenticated remote attacker to read arbitrary files readable by the Sonarr process on Windows systems running vulnerable versions prior to 4.0.17.2950, potentially exposing sensitive data.

Sonarr CVE-2026-30976 file-read windows
2r 1t
low advisory

Windows User Account Creation via net.exe

Attackers may create new accounts on Windows systems using `net.exe` to maintain access and establish persistence, which this detection identifies.

Windows persistence account-creation
3r 2t
medium advisory

Windows Persistence via Scheduled Job Creation

Adversaries can abuse the Windows Task Scheduler to establish persistence by creating malicious scheduled jobs, which are detected by monitoring for the creation of '.job' files in the 'Windows\Tasks' directory while excluding known legitimate software.

Windows persistence scheduled-task
2r 1t
medium advisory

Multiple Remote Management Tool Vendors on Same Host

The presence of multiple remote monitoring and management (RMM) tools from different vendors on a single Windows host within a short time frame may indicate compromise, shadow IT, or attacker staging for redundant access.

TeamViewer +3 remote-access-tools command-and-control windows
3r
high advisory

MpCmdRun.exe Used to Remove Defender Definitions

The execution of MpCmdRun.exe with the `-RemoveDefinitions` argument is used to remove definitions from the Windows Malware Protection Engine, potentially indicating malware activity or attempts to bypass security measures.

Windows Defender defense-evasion endpoint windows
2r 1t
medium advisory

Execution of Downloaded Windows Script

This rule identifies the creation and execution of a Windows script downloaded from the internet, which adversaries may leverage for initial access and execution by exploiting unusual parent-child process relationships and script attributes.

Windows execution scripting
2r 5t
medium advisory

Werfault ReflectDebugger Persistence Abuse

Attackers can achieve persistence by modifying the ReflectDebugger registry key associated with Windows Error Reporting (Werfault) to execute arbitrary code when Werfault is invoked with the `-pr` parameter.

Windows persistence registry
2r 2t
medium advisory

Potential PowerShell Obfuscated Script via High Entropy

This rule detects potential PowerShell obfuscated scripts by identifying script blocks with high entropy and non-uniform character distributions, which attackers use to evade signature-based detections.

Microsoft Windows +1 powershell obfuscation defense_evasion windows
2r 3t
low advisory

Windows Peripheral Device Discovery via fsutil

Adversaries use the Windows file system utility `fsutil.exe` with the `fsinfo drives` argument to enumerate attached peripheral devices for reconnaissance and situational awareness after gaining initial access.

Windows discovery fsutil
2r 1t
medium advisory

Signed Proxy Execution via MS Work Folders

Adversaries may misuse Windows Work Folders to execute a masqueraded 'control.exe' file from a non-standard location, bypassing application controls and potentially escalating privileges.

Windows Work Folders defense-evasion masquerading workfolders windows
2r 3t 1i
medium threat

Microsoft Exchange Server UM Spawning Suspicious Processes

This rule detects suspicious processes spawned by the Microsoft Exchange Server Unified Messaging (UM) service, potentially indicating exploitation of CVE-2021-26857 and leading to unauthorized process execution and system compromise.

exploited Exchange Server exchange initial-access lateral-movement cve-2021-26857 windows
2r 2t 1c
high advisory

Potential Local NTLM Relay via HTTP

Adversaries may coerce local NTLM authentication over HTTP via WebDAV named-pipe paths (Print Spooler, SRVSVC), then relay credentials to elevate privileges.

Microsoft Defender XDR +1 ntlm-relay credential-access windows webdav
2r 1t
medium advisory

Multiple Logon Failure Followed by Logon Success

This rule identifies potential password guessing/brute force activity from a single address, followed by a successful logon, indicating that an attacker may have compromised an account by brute-forcing login attempts across multiple users.

Windows Security Event Logs credential-access brute-force windows
2r 1t
low advisory

Account Discovery Command via SYSTEM Account

The rule identifies when the SYSTEM account uses an account discovery utility, potentially indicating discovery activity after privilege escalation, focusing on utilities like whoami.exe and net1.exe executed under the SYSTEM account.

Elastic Defend +5 discovery privilege-escalation windows
3r 3t
high advisory

WMI Permanent Event Subscription Abuse for Persistence

Attackers use WMI permanent event subscriptions to execute malicious scripts or binaries for persistence by creating event consumers other than the default NTEventLogEventConsumer.

Windows persistence wmi
2r 1t
high advisory

Windows Suspicious Process Execution from Unusual File Paths

Adversaries may execute malicious processes from unusual file paths (e.g., within Windows, Users, or Recycle Bin directories) to evade defenses and potentially compromise systems.

Windows suspicious-process defense-evasion persistence
3r 2t
high advisory

Windows Defender Real-Time Behavior Monitoring Disabled via Registry Modification

Attackers modify Windows Registry keys to disable Windows Defender real-time behavior monitoring, a tactic used by malware to evade detection and persist on compromised systems.

Windows Defender windows defense-evasion registry endpoint
2r 1t
medium advisory

Unusual Persistence via Services Registry Modification

Adversaries may modify the Windows services registry keys directly to stealthily persist through abnormal service creation or modification of an existing service, bypassing standard APIs, detected by monitoring registry changes related to service DLLs and image paths.

Windows persistence registry services
2r 3t
critical advisory

Suspicious Raw Disk Access Detected

Detection of processes accessing raw disk volumes outside of normal system paths, often associated with wiper malware and boot sector attacks.

Windows raw-disk-access wiper boot-sector
2r 1t
high advisory

Suspicious PowerShell Arguments Detected

Detection of suspicious arguments used with PowerShell, potentially indicating malicious activity execution.

PowerShell +1 execution suspicious-arguments windows
2r 1t
high advisory

Suspicious LSASS Access via Malicious Secondary Logon Service

An attacker abuses the Secondary Logon service (seclogon.dll) to gain unauthorized access to the LSASS process, potentially leaking credentials.

Windows credential-access lsass seclogon
3r 1t
high advisory

Suspicious Access to Chrome Local State File

This analytic detects non-Chrome processes accessing the Chrome Local State file, which can lead to the extraction of the master key used for decrypting saved Chrome passwords.

Chrome credential-access malware redline-stealer windows
2r 1t
high advisory

RegAsm Executed Without Command Line Arguments

The execution of regasm.exe without command-line arguments is often indicative of process injection and potential code execution, which could lead to privilege escalation, persistence, or data compromise.

RegAsm process-injection defense-evasion windows
2r 1t
high advisory

Ransomware Attempting to Disable Windows Recovery via Bcdedit

This brief details the detection of ransomware actors using bcdedit.exe to modify boot settings, specifically disabling automatic repair mode to hinder system recovery.

Windows ransomware bootkit
2r 1t
medium advisory

Potential Application Shimming via Sdbinst

This brief covers the abuse of application shimming in Windows via `sdbinst.exe` to achieve persistence and privilege escalation by executing arbitrary code within legitimate processes.

Windows persistence privilege-escalation application-shimming
3r 2t
medium advisory

Persistence via Scheduled Job Creation

This detection rule identifies attempts to establish persistence on Windows systems by creating scheduled jobs in the Windows Tasks directory, excluding known legitimate jobs.

Microsoft Defender XDR +5 persistence windows
2r 1t
medium advisory

Windows Subsystem for Linux Enabled via Dism Utility

Adversaries may enable Windows Subsystem for Linux (WSL) via the Dism utility to evade detection by running Linux tools on Windows.

Windows +1 defense-evasion wsl
2r 1t
high advisory

Suspicious Microsoft HTML Application Child Process

Adversaries are leveraging mshta.exe to execute malicious scripts, and evade detection by spawning suspicious child processes such as cmd.exe, powershell.exe, certutil.exe, bitsadmin.exe, curl.exe, msiexec.exe, schtasks.exe, reg.exe, wscript.exe, or rundll32.exe.

Microsoft Windows defense-evasion execution mshta windows
2r 5t
high advisory

Privilege Escalation via Windows Token Theft

An adversary may create a new process with a different token to escalate privileges and bypass access controls by creating a process running as SYSTEM and impersonating a Windows core binary.

Windows privilege-escalation token-theft
2r 1t
medium advisory

Potential Timestomping of Executable Files on Windows

This rule identifies potential timestomping behavior on Windows systems where the creation time of executable files in sensitive system directories is modified, potentially to blend malicious executables with legitimate system files and evade detection.

Windows defense-evasion timestomp
2r 1t
high advisory

Potential System Tampering via File Modification

Attackers may attempt to modify or delete critical Windows boot files such as 'winload.exe' or 'ntoskrnl.exe' to inhibit system recovery and cause data destruction, leading to a denial-of-service condition.

Windows impact defense-evasion
2r 2t
high advisory

Potential Remote Install via MsiExec

Adversaries may abuse Windows Installers via MsiExec to install files from remote servers for initial access and delivery of malware, which is detected by identifying MsiExec processes with network connections and specific command-line arguments.

Windows msiexec defense-evasion remote-install
2r 2t
medium advisory

MSBuild Making Network Connections

Detection of MsBuild.exe making outbound network connections which may indicate adversarial activity used to execute code and evade detection.

MSBuild defense-evasion windows
2r 2t
medium advisory

Ingress Transfer via Windows BITS

Adversaries leverage the Windows Background Intelligent Transfer Service (BITS) to download executable and archive files, potentially delivering malicious payloads while evading traditional security measures.

Windows bits file-transfer command-and-control defense-evasion
2r 2t
medium advisory

IIS AppCmd Tool Used to Dump Service Account Credentials

Attackers with access to IIS web servers may use the AppCmd command-line tool to dump sensitive configuration data, including application pool credentials, potentially leading to lateral movement and privilege escalation.

IIS credential-access appcmd windows
2r 2t
medium advisory

Disabling Windows Defender Security Settings via PowerShell

Attackers use PowerShell commands, including base64-encoded variants, to disable or weaken Windows Defender settings, impairing defenses on compromised systems.

Windows Defender defense-evasion powershell windows
2r 2t
medium advisory

Detection of Custom Shim Database Installation for Persistence

Attackers abuse the Application Compatibility Shim functionality in Windows to establish persistence and achieve arbitrary code execution by installing malicious shim databases, which this detection identifies through monitoring registry changes.

Windows +7 persistence app-compat shim
2r 1t
high advisory

Rundll32 Execution with DLL Stored in Alternate Data Stream (ADS)

Adversaries may use rundll32.exe to execute DLLs stored within alternate data streams (ADS) to bypass security controls and conceal malicious code.

defense-evasion ads rundll32 windows
2r 1t
medium advisory

Detection of Downloaded URL Files Used in Phishing Campaigns

This detection rule identifies downloaded .url shortcut files on Windows systems, often used in phishing campaigns, by monitoring their creation events and flagging those from non-local sources, enabling early threat detection.

Elastic Defend phishing execution url-file windows
2r 3t
medium advisory

Process Execution from Suspicious Windows Directories

Adversaries may execute processes from unusual default Windows directories to masquerade malware and evade defenses by blending in with trusted paths, making malicious activity harder to detect.

Windows +2 defense-evasion masquerading
2r 1t
medium advisory

Persistence via Malicious Microsoft Outlook VBA Template

Attackers establish persistence by installing a malicious VBA template in Microsoft Outlook, triggering scripts upon application startup by modifying the VBAProject.OTM file, detected by monitoring for unauthorized file modifications.

Outlook persistence vba windows
2r 1t
medium advisory

Detection of Command and Control Activity via Commonly Abused Web Services

This rule detects command and control activity using common web services by identifying Windows hosts making DNS requests to a list of commonly abused web services from processes outside of known program locations, potentially indicating adversaries attempting to blend malicious traffic with legitimate network activity.

OneDrive +7 command-and-control windows threat-detection
2r 2t
medium advisory

DCOM Lateral Movement via ShellWindows/ShellBrowserWindow

This analytic identifies the use of Distributed Component Object Model (DCOM) to execute commands on a remote host, specifically when launched via ShellBrowserWindow or ShellWindows Application COM objects, indicating potential lateral movement by an attacker.

Windows lateral-movement dcom
2r 2t
medium advisory

Executable File Creation with Multiple Extensions

This rule detects the creation of executable files with multiple extensions, a masquerading technique used to evade defenses by disguising malicious executables as benign files to trick users into executing them.

Windows defense-evasion masquerading file-extension
2r 2t
medium advisory

Disable Windows Event and Security Logs Using Built-in Tools

Attackers attempt to disable Windows Event and Security Logs using logman, PowerShell, or auditpol to evade detection and cover their tracks.

Microsoft Defender XDR +2 defense-evasion windows eventlog
3r 3t
low advisory

Unusual Time or Day for an RDP Session Detected by Machine Learning

A machine learning job detected an RDP session initiated at an unusual time or day, potentially indicating lateral movement activity within a network.

Windows lateral-movement threat-detection
2r 2t
low advisory

Suspicious Whoami Process Activity

The `whoami` command is being used by an attacker to enumerate user, group, and privilege information on a Windows system, potentially indicating post-exploitation discovery activity after initial compromise or privilege escalation.

Windows discovery
3r 2t
high advisory

Windows OpenSSH Client Used for Indirect Command Execution

Attackers are leveraging the Windows OpenSSH client (ssh.exe, sftp.exe) to proxy command execution and bypass application controls by executing commands such as powershell, schtasks, or cmd, indicating a defense evasion attempt.

OpenSSH Client defense-evasion proxy-execution openssh windows
2r 1t
high advisory

Suspicious Process Performing Public IP Address Discovery via DNS

Detection of suspicious Windows processes using DNS queries to determine the external IP address, potentially indicating reconnaissance or preparation for command and control activity.

Elastic Defend +1 discovery command-and-control windows dns
2r 2t 36i
medium advisory

Potential Port Monitor or Print Processor Registration Abuse

This rule detects potential abuse of port monitors and print processors for privilege escalation and persistence on Windows systems by identifying registry modifications to load malicious DLLs that execute with SYSTEM privileges during system boot, focusing on modifications made by non-SYSTEM users.

Windows privilege-escalation persistence
2r 4t
high advisory

Non-Chrome Process Accessing Chrome Default Directory

Atypical processes accessing the Chrome user data directory may indicate credential harvesting, cookie theft, or other malicious activity by malware such as Remote Access Trojans (RATs) or information stealers.

Chrome credential-theft infostealer rat windows
3r 1t
high advisory

Detection of Event Log Disabling via WevtUtil

Detection of the 'wevtutil.exe' command-line utility being used to disable event logs, a common tactic employed by ransomware actors to evade detection and hinder forensic analysis on compromised Windows systems.

Splunk Enterprise +2 defense-evasion ransomware windows wevtutil
2r 1t
high advisory

Detection of Windows Defender Service Disabling via Registry Modification

This brief covers the detection of adversaries disabling Windows Defender services by modifying specific registry keys to set the 'Start' value to '0x00000004', indicating an attempt to evade detection and maintain persistence.

Windows Defender +3 defense-evasion persistence windows registry-abuse
2r
medium advisory

Detection of Downloaded Shortcut Files

This rule detects potentially malicious .lnk shortcut files downloaded from outside the local network on Windows systems, which are commonly used in phishing campaigns.

Elastic Defend phishing lnk execution windows
2r 3t
high advisory

Windows Defender SpyNet Reporting Disabled via Registry Modification

Attackers disable Windows Defender SpyNet reporting by modifying specific registry keys, preventing telemetry data from being sent and allowing malicious activities to go undetected.

Splunk Enterprise +3 windows registry_modification defender_evasion
2r
medium advisory

Netsh Used to Enable Network Discovery

Adversaries may use the `netsh.exe` command-line tool to enable Network Discovery via the Windows firewall, weakening host defenses and facilitating lateral movement by identifying other systems on the network.

Windows defense-evasion firewall lateral-movement
2r 1t
high advisory

FodHelper UAC Bypass Attempt

Detection of fodhelper.exe execution, which is known to exploit User Account Control (UAC) bypass by leveraging specific registry keys, potentially leading to privilege escalation.

Windows uac-bypass privilege-escalation fodhelper
2r 2t
low advisory

Code Integrity - Unmet Signing Level Requirements

Windows Code Integrity events 3033 and 3034 indicate an attempted file load that failed to meet the configured signing level requirements, potentially due to revoked signatures or expired certificates, signaling a possible attempt to load unsigned or untrusted code.

Windows +1 codeintegrity execution
2r 1t
high advisory

Potential Execution via FileFix Phishing Attack

This rule detects potential execution of Windows commands or downloaded files via the browser's dialog box, indicative of a phishing attack where victims are tricked into copying and pasting malicious commands.

Windows phishing execution
2r 6t
high advisory

Windows Registry Modification to Disable Show Hidden Files

This analytic detects modifications to the Windows registry that disable the display of hidden files, a technique commonly used by malware to evade detection and conceal malicious activities.

Splunk Enterprise +2 defense-evasion registry-modification windows
2r 2t
high advisory

Windows Registry Modification to Disable Registry Tools

This analytic detects modifications to the Windows registry, specifically targeting the 'DisableRegistryTools' key, which is a common tactic used by malware for persistence and defense evasion by preventing the removal of malicious entries.

Windows +3 defense-evasion registry-modification persistence
2r 2t
high advisory

Windows Defender Context Menu Deletion Attempt

An attacker attempts to disable Windows Defender by deleting its context menu entry from the registry, a tactic often used by Remote Access Trojans (RATs) to impair defenses and facilitate further malicious activities.

Windows Defender defense-evasion registry-modification windows
2r 1t
high advisory

Potential Fake CAPTCHA Phishing Attack via Command Line

This rule detects potential fake CAPTCHA phishing attacks on Windows systems where victims are tricked into copying and pasting malicious commands into the Windows Run dialog box.

Microsoft Defender XDR +2 phishing captcha social-engineering windows
2r 2t
medium advisory

InstallUtil Process Making Network Connections for Defense Evasion

Detection of InstallUtil.exe making outbound network connections, which can indicate adversaries leveraging it to execute code and evade detection by proxying execution through a trusted system binary.

Elastic Defend +1 defense-evasion proxy-execution windows
2r 1t
high advisory

Browser Process Spawned from an Unusual Parent

Attackers may attempt credential theft by launching browsers (Chrome, Edge) with remote debugging, headless automation, or minimal arguments from an unusual parent process on Windows systems.

Edge +4 credential-access windows browser-exploitation
2r 1t
medium advisory

Windows Downdate Attack Registry Modification

The Windows Downdate attack involves modifying specific registry keys to force a Windows downgrade, enabling exploitation of older, vulnerable versions, which this detection identifies through monitoring for the creation or modification of the pending.xml file in unusual locations.

Splunk Enterprise +2 defense-evasion privilege-escalation windows registry-modification
2r 1t
medium threat

Potential Command and Control via Internet Explorer COM Abuse

This rule detects potential command and control activity where Internet Explorer (iexplore.exe) is started via the Component Object Model (COM) and makes unusual network connections, indicating adversaries might exploit Internet Explorer via COM to evade detection and bypass host-based firewall restrictions.

Internet Explorer command-and-control com iexplore windows
2r 4t
high advisory

Windows Storage Spaces Controller Integer Underflow Vulnerability (CVE-2026-27907)

CVE-2026-27907 is an integer underflow vulnerability in the Windows Storage Spaces Controller, allowing a local attacker with authorization to escalate privileges on the system.

Windows privilege-escalation cve-2026-27907
2r 1t 1c 1i
low advisory

Suspicious Windows Process Cluster Detection via Machine Learning

A machine learning job combination has identified a host with one or more suspicious Windows processes that exhibit unusually high malicious probability scores, potentially indicating masquerading and defense evasion tactics.

Windows defense-evasion masquerading LOLbins
2r 2t
high advisory

Suspicious JavaScript Execution via Deno

Detects execution of JavaScript via Deno with suspicious command-line patterns (base64, eval, http, or import in a JavaScript context), which adversaries may abuse to run malicious JavaScript for execution or staging.

Elastic Defend +2 execution javascript deno windows
2r 1t
medium advisory

Suspicious Execution via Scheduled Task

This rule identifies execution of suspicious programs via scheduled tasks by looking at process lineage and command line usage, detecting processes such as cscript.exe, powershell.exe, and cmd.exe when executed from suspicious paths like C:\Users\ and C:\ProgramData\.

Windows persistence execution
2r 2t
high advisory

PowerShell Suspicious Payload Encoded and Compressed

Detects PowerShell scripts employing Base64 decoding combined with .NET decompression (Deflate/GZip) to deobfuscate and reconstruct malicious payloads in memory, evading traditional defenses.

Windows Defender Advanced Threat Protection defense-evasion powershell windows
2r 1t
high threat

CVE-2026-32073 - Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability

CVE-2026-32073 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock, enabling a locally authorized attacker to escalate privileges.

exploited Windows vulnerability privilege-escalation
2r 1t 1c
medium advisory

Potential Credential Access via LSASS Handle Duplication

Detection of suspicious LSASS handle access via DuplicateHandle from an unknown call trace module, indicating a potential attempt to bypass the NtOpenProcess API to evade detection and dump LSASS memory for credential access.

Windows credential-access lsass duplicatehandle mirrordump
2r 1t
high advisory

SeEnableDelegationPrivilege Assignment Detection

Detection of the assignment of the SeEnableDelegationPrivilege user right to a principal can indicate potential Active Directory compromise and privilege elevation by attackers.

Active Directory credential-access persistence windows active-directory
3r 2t
high advisory

CVE-2026-27922 Windows WinSock Use-After-Free Privilege Escalation

CVE-2026-27922 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock that allows an authenticated attacker to elevate privileges locally.

Windows privilege-escalation use-after-free
2r 1t 1c 1i
high advisory

Control Panel Abuse for Defense Evasion and Execution

Adversaries may abuse the legitimate Windows Control Panel (control.exe) to proxy the execution of malicious code by using unusual arguments such as image file extensions, suspicious paths, or relative path traversal patterns for defense evasion.

Windows defense-evasion execution
3r 2t
low advisory

Windows Account Discovery of Administrator Accounts

Adversaries may execute the `net.exe` or `wmic.exe` commands to enumerate administrator accounts or groups, both locally and within the domain, to gather information for follow-on actions.

M365 Defender +2 discovery account-discovery windows
2r 4t
high advisory

Mimikatz MemSSP Log File Detection

This rule detects the creation of the default Mimikatz MemSSP credential log file, mimilsa.log, which is created after the misc::memssp module injects a malicious Security Support Provider into LSASS, potentially capturing credentials from subsequent logons.

Elastic Defend +3 credential-access mimikatz memssp windows
2r 1t 1i
high advisory

Detecting Remcos RAT Activity Through File and Registry Traces

This brief provides detection strategies for Remcos RAT, focusing on file and registry artifacts indicative of its presence, persistence, and potential cleanup activities on Windows systems, allowing for the identification and remediation of compromised hosts.

Windows remcos rat trojan
3r 3t 6i
medium advisory

Windows Subsystem for Linux Distribution Installed via Registry Modification

This rule detects registry modifications indicative of a new Windows Subsystem for Linux (WSL) distribution installation, a technique adversaries may leverage to evade detection by utilizing Linux environments within Windows.

Windows Subsystem for Linux +4 wsl defense-evasion windows
2r 3t
medium advisory

Windows Hosts Querying Abused Web Services

Adversaries may use abused web services such as paste sites, VoIP, and file hosting to host malicious payloads or facilitate command and control, detected via DNS queries from Windows hosts to these services.

githubusercontent.com +34 abused-web-service command-and-control initial-access windows
2r 1t 34i
medium advisory

Potential Data Exfiltration via Rclone

The rule detects the abuse of rclone, a legitimate file synchronization tool, potentially renamed to evade detection, to exfiltrate data to cloud storage or remote endpoints, using copy/sync commands and specific file filters.

rclone exfiltration cloud storage windows
3r 1t
medium advisory

Multiple Logon Failures from Single Source Indicate Brute Force Attempt

Detection of multiple consecutive logon failures from a single source IP within a short time interval indicates a potential brute force or password guessing attack targeting Windows systems.

Windows credential-access brute-force
2r 2t
medium advisory

Detection of Bcdedit Boot Configuration Modification

This rule identifies the use of bcdedit.exe to modify boot configuration data, which may be indicative of a destructive attack or ransomware activity aimed at inhibiting system recovery by disabling error recovery or ignoring boot failures.

Microsoft Defender XDR +2 boot-configuration bcdedit impact windows
2r 1t
medium advisory

Windows TOR Client Execution Detection

Detects the execution of the TOR Browser and related components on Windows endpoints, indicating potential anonymization of traffic for command and control, data exfiltration, or policy evasion by adversaries or insider threats.

TOR Browser +1 tor proxy anonymization command-and-control data-exfiltration windows
2r 1t
medium advisory

Windows Time-Based Evasion via Choice Exec

Detection of choice.exe used in batch files for time-based evasion, a technique observed in SnakeKeylogger malware, indicating potential stealthy code execution and persistence.

Windows +3 time-based-evasion malware persistence defense-evasion
2r 1t
medium threat

Windows Theme File Creation in Unusual Location

Detects the creation of Windows theme files in unusual locations, such as Desktop, Documents, Downloads, or Temp directories, which can be indicative of remote code execution or NTLM coercion attacks.

exploited Splunk Enterprise +2 windows theme-file code-execution credential-theft
2r 3t
high advisory

Windows Shell Execution from IIS Installation Directory

Detection of command-line tools executing from the IIS installation directory on Windows systems, potentially indicating exploitation of IIS-reliant software like Microsoft Exchange.

Exchange Server +3 iis web-shell command-execution windows
2r 2t
high advisory

Windows Service Security Descriptor Tampering via sc.exe

Adversaries may modify service security descriptors to deny access to specific groups, potentially escalating privileges and hindering security services, by using sc.exe to set new deny ACEs (Access Control Entries) on Windows services.

Splunk Enterprise +2 defense-evasion privilege-escalation windows
2r 2t
medium advisory

Windows Processes Gathering Network Information via IP Check Web Services

Detection of Windows processes using IP check web services for reconnaissance, a behavior commonly associated with malware like Trickbot, by monitoring DNS queries.

Windows network-reconnaissance malware-behavior
2r 1t 26i
high advisory

Windows High File Deletion Frequency Indicative of Ransomware

This analytic identifies a high frequency of file deletions by monitoring Sysmon EventCodes 23 and 26 for specific file extensions, which can indicate ransomware activity leading to data loss and operational disruption.

Windows file-deletion ransomware
1r 1t
medium advisory

Windows Folder Options Disabled via Registry Modification

Attackers modify the Windows registry to disable the Folder Options feature, preventing users from showing hidden files and file extensions, commonly used by malware to conceal malicious files and deceive users with fake file extensions.

Splunk Enterprise +3 defense-evasion registry-modification windows
2r
medium advisory

Windows EventLog Reconnaissance Activity Detection

This detection identifies potential reconnaissance activities on Windows systems by adversaries using tools like `wevtutil.exe`, `wmic.exe`, and PowerShell cmdlets to query event logs for sensitive information.

Windows eventlog reconnaissance
3r 1t
low advisory

Windows Event Log Clearing Attempt Detected

Adversaries clear Windows event logs to evade detection and destroy forensic evidence, breaking SIEM detections and covering their tracks.

Windows defense-evasion event-logs
3r 1t
high advisory

Windows EFI Volume Mount Attempt via Mountvol

Detection of attempts to mount the EFI volume on Windows systems using mountvol.exe, potentially leading to system compromise.

Splunk Enterprise +2 efi mountvol windows persistence defense-evasion
2r 3t
high advisory

Windows Computer Account Changed to Domain Controller

Detects modifications to a Windows computer account's User Account Control flags, specifically the `SERVER_TRUST_ACCOUNT` flag, potentially indicating unauthorized domain controller promotion or privilege escalation within Active Directory.

Splunk Enterprise +3 active-directory privilege-escalation persistence windows
2r 2t
high advisory

Windows Audit Policy Restored via Auditpol.exe

Attackers may use auditpol.exe with the /restore argument to replace the existing audit policy with a malicious one, disabling auditing to evade detection, potentially leading to full machine compromise or lateral movement.

Splunk Enterprise +2 auditpol audit-policy defense-evasion windows
2r 1t
medium advisory

Unusual Network Activity from Windows System Binaries

Detection of network connections initiated by unusual Windows system binaries, often leveraged by adversaries to proxy execution of malicious code and evade detection, indicating potential defense evasion and command and control activity.

Windows defense-evasion proxy-execution
3r 5t
medium advisory

System Shells Launched via Windows Services

Attackers may configure existing Windows services or create new ones to execute system shells (cmd.exe, powershell.exe) to elevate privileges from administrator to SYSTEM for persistence and further malicious activity.

Windows persistence execution privilege-escalation
2r 4t
medium advisory

Suspicious WMI Reconnaissance via PowerShell

This analytic detects suspicious PowerShell activity leveraging WMI to gather system information, potentially indicating reconnaissance by an attacker.

Windows reconnaissance powershell wmi
2r 2t
high advisory

Suspicious Process Access via Direct System Call

Detects suspicious process access events where the call trace does not originate from known Windows system DLLs, indicating potential defense evasion by bypassing hooked APIs via direct syscalls.

EdgeWebView +4 defense-evasion execution windows
2r 3t
high advisory

Suspicious MSIExec Remote Download

The analytic detects the execution of msiexec.exe with an HTTP or HTTPS URL, which indicates an attempt to download and execute potentially malicious software from a remote server, leading to potential unauthorized code execution, system compromise, or malware deployment.

Splunk Enterprise +3 endpoint msiexec remote-download windows
2r 2t
high advisory

Suspicious Execution from WebDAV Share

This rule detects attempts to execute content from remote WebDAV shares, where attackers may abuse WebDAV paths, public tunnels, or host@port UNC paths to execute tools or scripts, reducing local staging on the victim's file system.

Windows +5 execution webdav threat_detection
2r 1t
high advisory

Suspicious Antimalware Scan Interface DLL Creation

An adversary may attempt to bypass AMSI by creating a rogue AMSI DLL in an unusual location to evade detection.

Microsoft Defender XDR +4 defense-evasion amsi-bypass dll-hijacking windows
2r 1t
low advisory

Spike in Special Privilege Use Events

A machine learning job detected an unusual increase in special privilege usage events on Windows, such as privileged operations and service calls, potentially indicating unauthorized privileged access and privilege escalation attempts.

Windows privileged-access-detection privilege-escalation
2r 4t
high advisory

Script Execution via Microsoft HTML Application

Detects the execution of scripts via HTML applications using Windows utilities rundll32.exe or mshta.exe to bypass defenses by proxying execution of malicious content with signed binaries.

Windows +8 defense-evasion script-execution
3r 1t
medium advisory

Remote File Download via PowerShell

Detects PowerShell being used to download executable files from untrusted remote destinations, often used by attackers to transfer malware into a compromised environment.

PowerShell +1 command-and-control file-download windows
2r 2t
medium advisory

Rare Connection to WebDAV Target for Credential Access

Adversaries may inject WebDAV paths into files or features opened by a user to leak NTLM credentials via forced authentication, and this detection identifies rare connections to WebDAV resources using rundll32.exe.

Windows credential-access webdav
2r 2t
high advisory

Potential Remote Credential Access via Registry

Detects remote access to the registry, potentially dumping credential data from the Security Account Manager (SAM) registry hive, indicating preparation for credential access and privilege elevation.

Elastic Defend credential-access lateral-movement windows
2r 2t
high advisory

Potential NTLM Relay Attack against a Computer Account

This rule detects potential NTLM relay attacks against computer accounts by identifying coercion attempts followed by authentication events originating from a different host, indicating that an attacker has captured and relayed the server's computer account hash to execute code on behalf of the compromised system.

Windows Security Event Logs credential-access ntlm-relay windows
2r
low advisory

NLTEST.EXE Used for Domain Trust Discovery

Adversaries may use `nltest.exe` to enumerate domain trusts, gaining insight into trust relationships and the state of Domain Controller replication within a Windows NT Domain, potentially leading to lateral movement.

Windows Server +1 discovery windows nltest domain-trust
2r 2t
high advisory

Newly Observed ScreenConnect Host Server

Detection of ScreenConnect clients connecting to a newly observed host server outside the official ScreenConnect cloud, potentially indicating command and control activity or compromise.

ScreenConnect remote-access command-and-control windows
2r 1t
medium advisory

Mounting Hidden or WebDav Remote Shares via Net.exe

Adversaries may use net.exe to mount WebDav or hidden remote shares, indicating lateral movement or preparation for data exfiltration within a Windows environment.

Windows lateral-movement net.exe webdav
2r 4t
medium advisory

Malware Leveraging Large Language Model Endpoints for Command and Control

This rule detects DNS queries to known Large Language Model (LLM) domains originating from unsigned binaries or common Windows scripting utilities, indicating potential malware command and control activity.

Large Language Model services command_and_control llm malware windows macos
3r 1t 35i
medium advisory

Execution of Persistent Suspicious Programs via Run Keys

This analytic identifies suspicious programs such as script interpreters, rundll32, or MSBuild being executed shortly after user logon, indicating potential persistence mechanisms abusing the registry run keys.

Elastic Defend persistence windows threat-detection
2r 8t
low advisory

Detection of Command and Control Activity via Common Web Services

This rule detects command and control (C2) communications that use common web services to hide malicious activity on Windows hosts by identifying network connections to commonly abused web services from processes outside of known legitimate program locations, indicating potential exfiltration or C2 activity blended with legitimate traffic.

Elastic Defend +10 command-and-control webservice windows
2r 1t
medium advisory

Detect Windows Entra User Management Via Azure CLI

This analytic detects the usage of the Azure CLI to interact with user accounts, such as creating or deleting a user, potentially indicating malicious activity aimed at maintaining persistence and evading detection within an Entra ID environment.

Azure CLI +3 azure entra-id user-management persistence windows
2r 3t
high advisory

Conhost Proxy Execution for Defense Evasion

Adversaries abuse the Console Window Host (conhost.exe) with the `--headless` argument to proxy execution of malicious commands, evading detection by blending in with legitimate Windows software.

Elastic Defend +2 defense-evasion proxy-execution windows
3r 1t
medium advisory

Attrib.exe Used to Hide Files and Directories

Detection of attrib.exe being used with the +h flag to hide files and directories on Windows systems, a technique used by attackers for defense evasion and persistence.

Splunk Enterprise +2 defense-evasion persistence windows
2r 1t
high advisory

Potential Shadow Credentials added to AD Object

This rule detects the modification of the msDS-KeyCredentialLink attribute in an Active Directory Computer or User Object, which could indicate an attacker is creating shadow credentials to gain persistent and stealthy access.

Active Directory +2 credential-access shadow-credentials windows
2r 2t
high advisory

Windows System File Execution from Unusual Location

This rule detects the execution of legitimate Windows system binaries from non-standard locations, potentially indicating malicious activity such as malware execution or defense evasion.

Windows defense-evasion anomaly
2r 1t
medium advisory

Windows Firewall Disabled via Netsh

Detection of adversaries disabling Windows Firewall rules using the `netsh.exe` command-line tool to weaken defenses and facilitate unauthorized network activity.

Microsoft Defender XDR +1 defense-evasion windows firewall
2r 1t
high advisory

Windows Eventlog Cleared Via Wevtutil

Adversaries may clear Windows event logs using `wevtutil.exe` to remove evidence of their activity and hinder forensic investigations.

Splunk Enterprise +2 defense-evasion windows event-logs
2r 1t
high advisory

Unusual Process Loading Mozilla NSS/Mozglue Module

Detection of processes loading Mozilla NSS/Mozglue libraries (mozglue.dll, nss3.dll) outside of known Mozilla applications, potentially indicating malware or unauthorized activity.

Firefox +9 defense-evasion anomaly windows
2r 1t
high advisory

TelemetryController Scheduled Task Hijack for Persistence and Privilege Escalation

Adversaries can hijack the Microsoft Compatibility Appraiser scheduled task (TelemetryController) to establish persistence and escalate privileges by executing arbitrary code with system-level permissions.

Windows persistence privilege-escalation scheduled-task
2r 2t
medium advisory

Symbolic Link Creation to Shadow Copies for Credential Access

The creation of symbolic links to shadow copies on Windows systems by processes such as cmd.exe or powershell.exe can indicate an attempt to access sensitive files for credential theft.

Windows +1 credential-access defense-evasion
2r 3t
medium advisory

Suspicious PowerShell Execution via Windows Script Host

Detection of PowerShell processes launched by cscript.exe or wscript.exe, indicative of potential malicious initial access or execution attempts.

Microsoft Defender XDR +2 initial-access execution windows powershell script
2r 4t
medium advisory

Suspicious MS Office Child Process

This rule detects suspicious child processes spawned by Microsoft Office applications, indicating potential exploitation or malicious macros used for initial access, command execution, defense evasion, and discovery activities.

Microsoft Office +3 initial-access execution defense-evasion discovery windows
2r 18t 1c
medium advisory

Suspicious Module Loaded by LSASS for Credential Access

Detection of unsigned or untrusted DLLs being loaded into the LSASS process, which is indicative of credential access attempts by adversaries aiming to steal sensitive information such as user passwords.

credential-access lsass windows
2r 2t
high advisory

Suspicious Antimalware Scan Interface DLL Creation

The rule detects the creation of the Antimalware Scan Interface (AMSI) DLL in an unusual location, potentially indicating an attempt to bypass AMSI by loading a rogue AMSI module, a technique used for defense evasion.

Windows amsi dll-hijacking defense-evasion
2r 2t
high advisory

Potential Credential Access via Windows Utilities

This brief detects the execution of known Windows utilities such as procdump, ntdsutil, and diskshadow, often abused to dump LSASS memory or the Active Directory database (NTDS.dit) in preparation for credential access, potentially leading to widespread compromise.

Windows +1 credential-access lsass ntdsutil procdump
2r 3t
medium advisory

MSIExec Spawning Discovery Commands

Detection of msiexec.exe spawning discovery commands indicating potential reconnaissance activity by attackers for system information gathering and lateral movement.

Splunk Enterprise +2 msiexec discovery windows
2r 1t
medium advisory

MpCmdRun Used for Remote File Download

Attackers are abusing the Windows Defender command-line utility, MpCmdRun.exe, to download malicious files from remote URLs, enabling them to introduce malware or offensive tooling into compromised environments.

Windows Defender Antivirus living-off-the-land file-download windows
2r 1t
high advisory

Mimikatz Memssp Module Log File Detection

The creation of 'mimilsa.log', a log file generated by the Mimikatz 'misc::memssp' module, indicates credential access attempts by injecting a malicious Windows Security Support Provider (SSP) to harvest locally authenticated credentials.

Windows +1 credential-access mimikatz
2r 3t
medium advisory

UAC Bypass via DiskCleanup Scheduled Task Hijack

Attackers bypass User Account Control (UAC) to stealthily execute code with elevated permissions by hijacking the DiskCleanup Scheduled Task, leveraging specific arguments with non-standard executables.

Windows uac-bypass privilege-escalation
2r 3t
low advisory

Modification of Boot Configuration using Bcdedit

Adversaries may modify the Boot Configuration Data (BCD) store using bcdedit.exe to disable recovery options, which is often associated with ransomware or destructive attacks, preventing system recovery.

Windows impact boot-configuration
2r 1t
high advisory

Windows DISM Used to Remove Windows Defender

The analytic detects the use of `dism.exe` to remove Windows Defender, potentially allowing adversaries to evade detection and carry out further malicious actions.

Windows Defender +3 defense-evasion endpoint windows
2r 1t
high threat

Suspicious Process Accessing Browser Password Store

Detection of non-browser processes accessing browser user data folders, a tactic used by malware such as Snake Keylogger to steal credentials and sensitive information.

Splunk Enterprise +2 Snake Keylogger credential-access stealer windows
2r 1t
medium advisory

Registry Persistence via AppCert DLL

Detection of Registry Persistence via AppCert DLL, which involves modifying registry keys to load malicious DLLs upon process creation, enabling persistence and potential privilege escalation.

Windows persistence privilege-escalation
2r 2t
high advisory

ETW Registry Disabled via Registry Modification

Attackers may disable Event Tracing for Windows (ETW) for the .NET Framework by modifying the ETWEnabled registry value, allowing them to evade endpoint detection and response (EDR) tools and hide malicious activity.

.NETFramework +3 etw registry defense-evasion windows t1127 t1685
2r 1t
low advisory

Windows User Account Creation via Net.exe

This rule identifies attempts to create new users on Windows systems using net.exe, a common tactic used by attackers to increase access or establish persistence.

Microsoft Defender XDR +2 persistence user-account-creation windows
2r 2t
medium advisory

Unusual Network Connection via DllHost

The rule identifies unusual instances of dllhost.exe making outbound network connections to non-local IPs, which may indicate adversarial Command and Control activity and defense evasion.

Elastic Defend +2 defense-evasion command-and-control windows
2r 2t
medium advisory

Unsigned DLL Side-Loading from Suspicious Folders by Trusted Processes

This detection identifies a Windows trusted program running from locations often abused by adversaries to masquerade as a trusted program and loading a recently dropped unsigned DLL, which indicates an attempt to evade defenses via side-loading a malicious DLL within the memory space of a signed process.

Elastic Defend defense-evasion dll-sideloading windows
2r 2t
medium advisory

Suspicious PowerShell Engine ImageLoad

This rule identifies instances where the PowerShell engine is loaded by processes other than powershell.exe, potentially indicating attackers attempting to use PowerShell functionality stealthily by using the underlying System.Management.Automation namespace and bypassing PowerShell security features.

Elastic Defend powershell execution windows
2r 1t
medium advisory

Suspicious Execution from a Mounted Device

Attackers may use mounted devices as a non-standard working directory to execute signed binaries or script interpreters, evading traditional defense mechanisms, particularly when launched via explorer.exe.

Windows defense-evasion execution mounted-device
2r 9t
medium advisory

Suspicious CertUtil Commands Used for Defense Evasion

Attackers abuse certutil.exe, a native Windows utility, to download/deobfuscate malware for command and control or data exfiltration, evading defenses.

Windows defense-evasion command-and-control credential-access
2r 3t
medium advisory

Remote Execution via File Shares

This rule identifies the execution of a file that was created by the virtual system process, potentially indicating lateral movement via network file shares in Windows environments.

lateral-movement file-share windows
2r 2t
medium advisory

Potential RemoteMonologue Attack via Registry Modification

This rule detects potential RemoteMonologue attacks by identifying attempts to perform session hijacking via COM object registry modification, specifically when the RunAs value is set to Interactive User.

MsMpEng.exe +4 remotemonologue defense-evasion persistence windows
2r 4t
medium advisory

Potential Defense Evasion via Filter Manager (fltMC.exe)

Adversaries may abuse the Filter Manager Control Program (fltMC.exe) to unload filter drivers, thereby evading security software defenses such as malware detection and file system monitoring.

Defender XDR +3 defense-evasion filter-driver fltMC.exe windows
2r 1t
medium threat

Kerberos Traffic from Unusual Process

Detects network connections to the standard Kerberos port from an unusual process other than lsass.exe, potentially indicating Kerberoasting or Pass-the-Ticket activity on Windows systems.

Elastic Defend +22 kerberoasting credential-access lateral-movement windows
2r 2t
medium advisory

Execution from Unusual Directory - Command Line

This rule identifies process execution from suspicious default Windows directories, which adversaries may abuse to hide malware in trusted paths to evade defenses.

Microsoft Defender XDR +1 execution defense-evasion windows process-execution
2r 2t
medium advisory

Detecting Remote Windows Service Installation for Lateral Movement

This rule detects a network logon followed by Windows service creation with the same LogonId on a Windows host, which could indicate lateral movement or persistence by adversaries.

Windows +4 lateral-movement persistence
2r 3t
low advisory

Active Directory Discovery using AdExplorer

AdExplorer, a legitimate Active Directory viewer, can be abused by adversaries for domain reconnaissance, and this rule detects its execution to identify potential malicious discovery activities.

Active Directory discovery active-directory adexplorer windows
2r 5t
medium advisory

WMI Incoming Lateral Movement

Detection of processes executed via Windows Management Instrumentation (WMI) on a remote host indicating potential adversary lateral movement.

HPWBEM +3 lateral-movement wmi windows
3r 2t
medium advisory

WinPEAS PowerShell Script Execution Detection

This brief documents the detection of the WinPEAS PowerShell script execution on Windows systems, a tool commonly used for identifying privilege escalation paths by identifying specific function names used within the script.

Splunk Enterprise +2 privilege-escalation post-exploitation windows
2r 8t
low advisory

Windows USN Journal Deletion via Fsutil

Adversaries may delete the volume USN Journal on Windows systems using `fsutil.exe` to eliminate evidence of post-exploitation file activity.

Windows defense-evasion fsutil usn journal
2r 1t
medium advisory

Windows System File Ownership Change via Takeown or Icacls

Adversaries may modify file or directory ownership to evade access control lists (ACLs) and access protected files by using takeown.exe or icacls.exe to grant excessive permissions to system files.

Windows defense-evasion persistence
2r 2t
medium advisory

Windows Subsystem for Linux Enabled via Dism Utility

Adversaries may enable and use Windows Subsystem for Linux (WSL) using the Microsoft Dism utility to evade detection on Windows systems by running Linux applications and tools.

Microsoft Defender XDR +2 defense-evasion wsl windows
2r 1t
high advisory

Windows Service Disabled Detection

Detection of a Windows service being disabled via Event ID 7040, a common tactic used by adversaries to evade defenses and maintain control over compromised systems.

Splunk Enterprise +2 defense-evasion service-disabled windows
2r 1t
medium advisory

Windows Script Interpreter Executing Process via WMI

The rule identifies the use of Windows script interpreters (cscript.exe or wscript.exe) executing a process via Windows Management Instrumentation (WMI), which may indicate malicious activity, especially when initiated by non-system accounts.

Sysmon windows wmi script_execution initial_access execution
2r 4t
low advisory

Windows Root Certificate Modification for Defense Evasion

An attacker modifies trusted root certificates in Windows to masquerade malicious files as valid or decrypt SSL traffic, evading defenses and potentially enabling adversary-in-the-middle attacks.

Windows defense-evasion subvert-trust-controls
2r 2t
high advisory

Windows Remote Desktop Network Bruteforce Attempt

This detection identifies potential RDP brute force attacks by monitoring network traffic for RDP application activity by detecting source IPs that have made more than 10 connection attempts to the same RDP port on a host within a one-hour window.

Secure Access Firewall +3 rdp bruteforce credential-access windows network
2r 1t
high advisory

Windows Registry Deletion of Scheduled Task Security Descriptor

Attackers may delete a scheduled task's Security Descriptor (SD) from the registry to remove evidence of the task for defense evasion.

Splunk Enterprise +2 defense-evasion persistence windows
2r 1t
high advisory

Windows Projected File System Double Free Vulnerability (CVE-2026-32069)

CVE-2026-32069 is a double free vulnerability in the Windows Projected File System that allows an authorized local attacker to elevate privileges.

Windows cve-2026-32069 privilege-escalation
2r 1t 1c
high advisory

Windows Potato Privilege Escalation Tool Execution

Detects the execution of known Potato-family privilege escalation tools on Windows systems, which are used to escalate privileges from restricted contexts to SYSTEM by exploiting Windows token impersonation and privilege abuse.

Splunk Enterprise +2 privilege-escalation windows
2r 1t
medium advisory

Windows Host Network Discovery Enabled via Netsh

Attackers can enable host network discovery via netsh.exe to weaken host firewall settings, facilitating lateral movement by identifying other systems on the network.

Microsoft Defender XDR +3 defense-evasion windows firewall
2r 1t
medium advisory

Windows Guest Account Enabled via net.exe

The Windows guest account, typically restricted, can be enabled via `net.exe` for malicious activities like malware installation or data theft, potentially indicating persistence, defense evasion, privilege escalation or initial access.

Splunk Enterprise +2 guest-account persistence windows
2r 1t
medium advisory

Windows Firewall Rule Modification Detection

This detection identifies instances where a Windows Firewall rule has been modified, potentially indicating an attempt to weaken security policies and allow malicious traffic or prevent legitimate communications.

Windows +3 firewall anomaly
2r
medium advisory

Windows Firewall Rule Deletion Detection

Detection of Windows Firewall rule deletion events (Event ID 4948) indicating potential attacker attempts to bypass security controls or malware disabling protections for persistence and command-and-control.

Windows +3 firewall endpoint
2r 1t
medium advisory

Windows Firewall Rule Added via Event ID 4946

This detection identifies instances where a Windows Firewall rule is added by monitoring Event ID 4946 in the Windows Security Event Log, potentially indicating unauthorized changes or malicious activity such as attackers allowing traffic for backdoors or persistence mechanisms.

Splunk Enterprise +2 firewall persistence windows
2r
high advisory

Windows Firewall Modification with Suspicious Process Path

This analytic detects suspicious modifications to system firewall rules to allow execution of applications from notable and potentially malicious file paths, indicating an attempt to bypass firewall restrictions for malicious code execution.

Splunk Enterprise +2 firewall defense-evasion windows
2r
medium advisory

Windows Firewall Disabled via PowerShell

Attackers may disable the Windows firewall or its rules using the `Set-NetFirewallProfile` PowerShell cmdlet to enable lateral movement and command and control activity.

Microsoft Defender XDR +3 defense-evasion powershell firewall windows
2r 2t
medium advisory

Windows Firewall Disabled via Netsh

Attackers use the `netsh.exe` command-line tool to disable or weaken the local Windows firewall, facilitating lateral movement and command and control by bypassing host-based network traffic filtering.

Windows defense-evasion firewall
2r 1t
high advisory

Windows Files and Dirs Access Rights Modification via Icacls

Detection of icacls.exe, cacls.exe, or xcacls.exe being used to modify file or directory permissions, often used by APTs and coinminers for defense evasion and persistence.

Splunk Enterprise +2 defense-evasion persistence windows access-control
2r 1t
high advisory

Windows EventLog ChannelAccess Registry Modification

An attacker modifies the Windows EventLog ChannelAccess registry value to evade defenses by blocking security products from accessing event logs.

Sysmon defense-evasion registry-modification eventlog windows
2r 1t
high advisory

Windows Event Logging Service Shutdown Detection

Detection of the Windows Event Log service shutdown, indicated by Event ID 1100, which can signify attempts to evade detection by disabling logging.

Splunk Enterprise +3 defense-evasion windows event-logging
2r 1t
low advisory

Windows Event Log Clearing Detected

This threat brief covers the detection of adversaries clearing or disabling Windows event logs, a common defense evasion tactic, using tools like wevtutil.exe and PowerShell cmdlets to remove evidence of their activities.

Windows defense-evasion event-logs
2r 2t
high advisory

Windows Defender Web Content Evaluation Disabled via Registry Modification

An attacker modifies the Windows registry to disable Windows Defender web content evaluation, potentially allowing malicious web content to bypass security checks and compromise the system.

Windows Defender +3 defense-evasion registry-modification windows
2r
medium advisory

Windows Defender Tracing Level Modification

The following analytic detects modifications to the Windows registry specifically targeting the 'WppTracingLevel' setting within Windows Defender, potentially impairing its diagnostic capabilities and allowing attackers to evade detection.

Windows Defender +3 defense-evasion registry-modification windows
2r
medium advisory

Windows Defender Throttle Rate Modification

An attacker modifies the Windows Defender ThrottleDetectionEventsRate registry setting to reduce the frequency of logged detection events, potentially evading detection.

Splunk Enterprise +2 windows defender registry defense-evasion
2r 1t
high advisory

Windows Defender Threat Action Modification via Registry

An attacker modifies the Windows Defender ThreatSeverityDefaultAction registry setting to weaken defenses, potentially leading to unaddressed threats and system compromise.

Windows Defender +3 windows endpoint registry defense-evasion
2r
high advisory

Windows Defender SmartScreen App Install Control Disabled via Registry Modification

Attackers modify the Windows Registry to disable Windows Defender SmartScreen App Install Control, potentially allowing the installation of malicious web-based applications without restrictions, leading to system compromise and sensitive information exposure.

Splunk Enterprise +3 defense-evasion registry-abuse windows
2r
medium advisory

Windows Defender Reporting Disabled via Registry Modification

Attackers modify the Windows registry to disable Windows Defender generic reports, preventing error reports and potentially hiding malicious activity.

Windows Defender defense-evasion windows registry
2r 1t
high advisory

Windows Defender Protocol Recognition Disabled via Registry Modification

An attacker modifies the Windows Registry to disable Windows Defender protocol recognition, hindering its ability to detect and respond to malware, potentially leading to successful data exfiltration or system compromise.

Windows Defender +3 defense-evasion windows registry-modification
2r 1t
high advisory

Windows Defender Profile Registry Key Deletion

Detection of Windows Defender profile registry key deletion, indicating potential defense evasion by malware or threat actors aiming to disable security controls.

Windows Defender +3 defense-evasion registry-abuse windows
2r 1t
high advisory

Windows Defender Phishing Filter Override via Registry Modification

The analytic detects modifications to the Windows registry that disable the Windows Defender phishing filter, potentially allowing attackers to deceive users into visiting malicious websites without browser warnings.

Microsoft Edge +3 defense-evasion windows registry-abuse
2r 1t
high advisory

Windows Defender Logging Disabled via Registry Modification

Attackers may disable Windows Defender logging by modifying specific registry keys to evade detection and conceal malicious activities.

Windows Defender +3 defense-evasion registry-modification windows
2r 1t
high advisory

Windows Defender Infection Reporting Disabled via Registry Modification

Attackers modify the Windows registry to disable Windows Defender's infection reporting, preventing detailed threat information from reaching Microsoft and potentially allowing malware to evade detection.

Windows Defender +3 defense-evasion registry-modification windows
2r
medium advisory

Windows Defender Exclusions Added via PowerShell

Adversaries may attempt to bypass Windows Defender's capabilities by using PowerShell to add exclusions for folders or processes, and this activity can be detected by monitoring PowerShell command lines that use `Add-MpPreference` or `Set-MpPreference` with exclusion parameters.

Microsoft Defender XDR +3 defense-evasion powershell windows
2r 3t
high advisory

Windows Defender Exclusion Registry Modification

Adversaries modify Windows Defender exclusion registry entries to bypass antivirus and execute malicious code undetected, potentially leading to persistence and further malicious activities.

Windows Defender +3 windows endpoint registry defender exclusion defense-evasion malware
2r 1t
high threat

Windows Defender Disabled via Registry Modification

An attacker modifies the Windows Registry key 'DisableAntiSpyware' to disable Windows Defender, a technique commonly associated with Ryuk ransomware to evade defenses.

Windows Defender +3 Ryuk defense-evasion registry-modification ransomware windows
2r 1t
high advisory

Windows Defender Application Guard Auditing Disabled via Registry Modification

Attackers modify the Windows Registry to disable auditing for Windows Defender Application Guard, hindering security monitoring and enabling malicious activity to go unnoticed.

Windows Defender +3 defense-evasion registry-modification windows
2r 1t
high advisory

Windows Control Panel Disabled via Registry Modification

This analytic detects registry modifications that disable the Control Panel on Windows systems by monitoring changes to the registry path '*\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoControlPanel' with a value of '0x00000001', which is commonly used by malware to prevent users from accessing the Control Panel and hindering remediation efforts.

Splunk Enterprise +2 defense-evasion registry-modification windows
2r 2t
high advisory

Windows ComputerDefaults Process Spawning Detection

The ComputerDefaults.exe process, used for managing default application associations in Windows, can be exploited by attackers to bypass User Account Control (UAC) and execute unauthorized code with elevated privileges, which is detected by monitoring abnormal parent-child process relationships.

Windows privilege-escalation uac-bypass
2r 1t
high advisory

Windows AutoLogger Session Disabled via Registry Modification

An attacker disables Windows AutoLogger sessions by modifying specific registry values to evade defenses and blind EDR and log ingest tools.

Splunk Enterprise +3 defense-evasion windows registry-abuse
2r 1t
medium advisory

Windows Auditpol ResourceSACL Clearing for Defense Evasion

Adversaries may clear the global object access auditing policy using `auditpol.exe` with the `/resourceSACL` flag and either `/clear` or `/remove` arguments to evade detection by removing audit configurations.

Splunk Enterprise +3 defense-evasion windows
2r
medium advisory

Windows Audit Policy Sub-Category Disabled

This rule detects attempts to disable auditing for security-sensitive audit policy sub-categories on Windows systems, often done by attackers to evade detection and forensic analysis.

Windows defense_evasion audit_policy
2r 3t
high advisory

Windows Audit Policy Exclusion via Auditpol

Adversaries may attempt to disable or modify security tools to evade detection; this analytic identifies the execution of `auditpol.exe` with the `/set` and `/exclude` command-line arguments to exclude specific users' events from audit logs, potentially evading detection and enabling further malicious activities.

Splunk Enterprise +2 defense-evasion endpoint windows
2r 1t
high advisory

Windows Audit Policy Disabled via Legacy Auditpol

Adversaries may disable Windows audit policies using the legacy auditpol.exe utility to evade detection by limiting the data available for security monitoring and incident response.

Windows +3 auditpol defense-evasion
2r 1t
high threat

Windows Audit Policy Cleared via Auditpol

The execution of `auditpol.exe` with the `/clear` or `/remove` command-line arguments indicates potential defense evasion by adversaries or Red Teams, aiming to limit data that can be leveraged for detections and audits, potentially leading to full machine compromise or lateral movement.

Windows +3 defense-evasion audit-tampering
2r 1t
high advisory

Windows Attempt to Stop Security Service

An attacker attempts to stop security services on a Windows endpoint using sc.exe, net.exe, or PowerShell Stop-Service cmdlet to weaken defenses for further malicious activity.

Windows Event Log Security +1 defense-evasion endpoint windows
2r 1t
high advisory

Windows AppCertDLL Registry Modification via Command Line

Attackers modify the AppCertDLL registry key via command-line utilities to load malicious DLLs during system startup, achieving persistence and privilege escalation.

Splunk Enterprise +2 persistence privilege-escalation windows
2r 2t
critical advisory

Windows AD Domain Replication ACL Addition Detection

This brief details the detection of unauthorized modifications to Active Directory domain replication Access Control Lists (ACLs), specifically targeting permissions that enable DCSync attacks, potentially leading to sensitive data exfiltration and privilege escalation.

Active Directory active-directory dcsync acl windows privilege-escalation persistence
2r 2t
high advisory

Windows AD Domain Controller Audit Policy Disabled

Detection of disabled audit policies on a Windows domain controller by monitoring Windows Security Event Logs for EventCode 4719, indicative of an attacker attempting to evade detection and potentially leading to data theft, privilege escalation, and full network compromise.

Windows Event Log Security +3 defense-evasion windows
2r 1t
high advisory

Windows .Key File Creation in Root Directory

This search detects the creation of a .key file in the root directory of the system drive, an activity associated with ransomware execution before file encryption.

Splunk Enterprise +2 ransomware file_creation windows
2r 1t
high advisory

WDigest Security Provider Registry Modification

Adversaries may modify the WDigest security provider registry key to force the storage of user passwords in cleartext, enabling credential dumping and unauthorized access.

Windows credential-access registry-modification
3r 2t
low advisory

Unusual System Utilities Initiating Network Connections

Adversaries may leverage unusual system utilities such as Microsoft.Workflow.Compiler.exe, bginfo.exe, cdb.exe, cmstp.exe, csi.exe, dnx.exe, fsi.exe, ieexec.exe, iexpress.exe, odbcconf.exe, rcsi.exe and xwizard.exe to execute code and evade detection, as identified by network connections originating from these processes.

Elastic Defend +1 defense-evasion proxy-execution windows
2r 3t
low advisory

Unusual Scheduled Task Update

This rule detects modifications to scheduled tasks by user accounts, excluding system activity and machine accounts, which adversaries can exploit for persistence by modifying them to execute malicious code.

Windows persistence scheduled-task
2r 1t
high threat

Unusual Process Accessing Browser Password Store

A Windows anomaly detection identifies non-browser processes accessing browser user data profiles, indicative of credential theft by malware such as SnakeKeylogger, which attempts to gather sensitive browser information.

Chrome +2 Snake Keylogger credential-access trojan windows
2r 1t
low advisory

Unusual Persistence via Services Registry Modification

Detection of processes modifying the Windows services registry key directly, potentially indicating stealthy persistence attempts via abnormal service creation or modification.

Microsoft Defender XDR +2 persistence windows registry modification
2r 3t
high advisory

Unsecured Outlook Credentials Access in Windows Registry

An attacker attempts to access unsecured Outlook credentials stored in the Windows registry, potentially leading to unauthorized access to email accounts and sensitive information.

Outlook credential-access windows
2r 1t
medium advisory

Uncommon Registry Persistence Change Detection

This rule detects changes to uncommon registry persistence keys on Windows systems that are not commonly used or modified by legitimate programs, which could indicate an adversary's attempt to persist in a stealthy manner by modifying registry keys for persistence, ensuring malicious code executes on startup or during specific events.

Windows persistence registry
2r 2t
low advisory

Suspicious Use of sc.exe for Remote Service Manipulation

The rule identifies the use of sc.exe to create, modify, or start services on remote hosts, potentially indicating lateral movement by adversaries.

Elastic Defend lateral-movement windows sc.exe
3r 3t
medium advisory

Suspicious SMB Connections via LOLBin or Untrusted Process

This rule identifies potentially suspicious processes, excluding those signed by Microsoft, making Server Message Block (SMB) network connections over port 445, which could indicate lateral movement attempts.

Elastic Defend lateral-movement smb windows
3r 1t
medium advisory

Suspicious Script Object Execution via scrobj.dll

Detection of scrobj.dll loaded into unusual Microsoft processes indicates potential malicious scriptlet execution for defense evasion and execution by abusing legitimate system binaries.

Elastic Defend +3 defense-evasion execution windows
2r 2t
high advisory

Suspicious Remote Installation via MsiExec

This rule detects the execution of msiexec.exe to install a file from a remote server, a technique adversaries abuse for initial access and malware delivery by leveraging Windows Installers and initiating network activity.

Windows defense-evasion msiexec
2r 1t
high advisory

Suspicious Process Terminating LSASS Process

Detection of a process attempting to terminate the Lsass.exe process, indicating a potential attempt to perform credential dumping, privilege escalation, or evasion of security policies.

Splunk Enterprise +2 lsass process-termination windows
2r
high advisory

Suspicious Process Execution from Unusual File Paths

Attackers may execute malicious code from unusual file paths such as Windows fonts or debug directories to evade defenses and gain unauthorized access, as detected by endpoint detection and response (EDR) agents.

Splunk Enterprise +2 defense-evasion persistence windows
2r 2t
medium advisory

Suspicious Network Connection via Registration Utility

The native Windows tools regsvr32.exe, regsvr64.exe, RegSvcs.exe, or RegAsm.exe making a network connection may indicate an attacker bypassing allowlists or running arbitrary scripts via a signed Microsoft binary.

Windows execution defense evasion regsvr32
2r 4t
medium advisory

Suspicious MS Office Child Process

Detects suspicious child processes of Microsoft Office applications, indicating potential exploitation or malicious macros for initial access, defense evasion, and execution.

Microsoft Office +4 initial-access defense-evasion execution discovery windows
2r 18t
high advisory

Suspicious Microsoft Antimalware Service Executable Execution

Detects suspicious execution of the Microsoft Antimalware Service Executable (MsMpEng.exe) from non-standard paths or renamed instances, which may indicate an attempt to evade defenses through DLL side-loading or masquerading.

Microsoft Antimalware Service Executable +6 defense-evasion execution windows
3r 1t
high advisory

Suspicious Managed Code Hosting Process

The rule identifies suspicious managed code hosting processes (wscript.exe, cscript.exe, mshta.exe, wmic.exe, svchost.exe, dllhost.exe, cmstp.exe, regsvr32.exe), which could indicate code injection or other forms of suspicious code execution on Windows systems, often used for defense evasion.

Windows defense-evasion execution
2r 7t
medium advisory

Suspicious LSASS Process Access

This rule identifies suspicious access attempts to the LSASS process, potentially indicating credential dumping attempts by filtering out legitimate processes and access patterns to focus on anomalies.

Windows Defender +3 credential-access lsass windows
3r 1t
high advisory

Suspicious LNK File Creation in Temporary Directories

Detection of processes creating .lnk files in suspicious locations like user directories or temporary folders, often indicative of spear phishing or malware persistence mechanisms.

Windows lnk shortcut persistence phishing
2r 3t
high advisory

Suspicious ImagePath Service Creation

Adversaries may create or modify Windows services with malicious ImagePath values containing command shells or named pipes to establish persistence or escalate privileges, detected through registry modifications.

Windows persistence defense_evasion
2r 2t
low advisory

Suspicious Image Load (taskschd.dll) from MS Office

Detection of taskschd.dll image loads from Microsoft Office applications indicates potential COM-based scheduled task creation for persistence, bypassing traditional schtasks.exe usage.

Word +4 persistence execution windows image_load scheduled_task
2r 2t
medium advisory

Suspicious HTML File Creation Leading to Potential Payload Delivery

This detection identifies the creation of HTML files with high entropy and large size, followed by execution via a browser process, indicating potential HTML smuggling and malicious payload delivery on Windows systems.

Elastic Defend html-smuggling phishing initial-access windows evasion
3r 3t
high advisory

Suspicious Firewall Modification to Allow Network Discovery

Detection of 'netsh' command execution to enable network discovery in the firewall, a technique commonly used by ransomware such as REvil and RedDot to discover and compromise additional machines on the network.

Splunk Enterprise +3 ransomware lateral-movement windows
2r
high threat

Suspicious Execution with NodeJS

This rule detects suspicious Node.js execution patterns on Windows systems, including user-writable runtimes, preload arguments, and inline eval, decode, or child-process usage, indicating potential malicious activity.

Elastic Defend +4 nodejs execution windows
3r 1t
low advisory

Suspicious Execution via Windows Subsystem for Linux

Adversaries may leverage the Windows Subsystem for Linux (WSL) to execute malicious Linux commands, bypassing traditional Windows security measures, detected by monitoring process execution and command-line arguments.

Elastic Defend +2 defense-evasion execution credential-access windows
2r 3t
medium advisory

Suspicious Endpoint Security Parent Process Detected

This rule detects suspicious parent processes of endpoint security solutions such as Elastic Defend, Microsoft Defender, and SentinelOne, indicating potential process hollowing or code injection attempts to evade detection.

Elastic Defend +2 defense-evasion process-injection windows
2r 2t
medium advisory

Suspicious DNS Queries to RMM Domains from Non-Browser Processes

Detection of DNS queries to remote monitoring and management (RMM) domains from non-browser processes indicating potential misuse of legitimate remote access tools for command and control.

Elastic Endpoint +1 command-and-control remote-access windows
2r
medium advisory

Suspicious Copy from or to System Directory

This threat involves the suspicious copying of files from or to Windows system directories (System32, SysWOW64, WinSxS) using command-line tools, often employed by attackers to relocate LOLBINs for defense evasion.

Windows defense-evasion lolbin
3r 1t
high advisory

Suspicious Certificate Issuance and Authentication via AD CS ESC1

This analytic detects suspicious certificate issuance with a Subject Alternative Name (SAN) via Active Directory Certificate Services (AD CS) followed by immediate authentication, using Windows Security Event Logs (EventCode 4887 and 4768), which, if successful, can lead to privilege escalation and environment compromise.

Active Directory Certificate Services esc1 certificate_abuse privilege_escalation windows
2r 2t
high threat

Suspicious Bluetooth Service Installation from Uncommon Location

The creation of a Windows service named 'BluetoothService' with a binary path in user-writable directories, such as %AppData%, indicates potential malware persistence, as seen in the Lotus Blossom Chrysalis backdoor campaign.

Windows Lotus Blossom persistence defense-evasion anomaly
2r 2t
high advisory

Suspicious Alternate Data Stream (ADS) File Creation

The rule identifies the suspicious creation of Alternate Data Streams (ADS) on targeted files using a script or command interpreter, a technique used by adversaries to hide malicious files and evade detection.

Windows +2 defense-evasion alternate-data-stream
2r 1t
high advisory

Suspicious Access to Chrome Extension Directories

Non-Chrome processes accessing Chrome extension directories can indicate credential theft or data exfiltration attempts by malware such as RedLine Stealer.

Chrome credential-theft malware windows
2r 1t
medium advisory

Signed Proxy Execution via MS Work Folders

Attackers can abuse Windows Work Folders to execute a masqueraded control.exe file from untrusted locations, potentially bypassing application controls for defense evasion and privilege escalation.

Windows Work Folders +3 defense-evasion masquerading windows
2r 3t
high advisory

Shadow Copy Deletion via VSSAdmin or WMIC

Attackers delete shadow copies using vssadmin.exe or wmic.exe to prevent data recovery, often preceding ransomware deployment or data exfiltration.

Windows shadow-copy anti-forensic ransomware
2r 1t
medium advisory

SeDebugPrivilege Enabled by a Suspicious Process

The rule identifies a process running with a non-SYSTEM account that enables the SeDebugPrivilege privilege, which can be used by adversaries to debug and modify other processes to escalate privileges and bypass access controls.

Windows privilege-escalation token-manipulation
2r 1t
high threat

Scheduled Task Disablement via Schtasks.exe

Detection of the use of schtasks.exe to disable scheduled tasks, a common tactic used by adversaries like IcedID to disable security applications and evade detection, potentially leading to persistence and further system compromise.

Splunk Enterprise +2 IcedID persistence defense_evasion windows
2r
medium advisory

Scheduled Task Creation via Scripting

Detection of scheduled task creation by Windows scripting engines like cscript.exe, wscript.exe, or powershell.exe, used by adversaries to establish persistence on compromised systems.

Elastic Defend +1 persistence scheduled-task windows
3r 3t
medium advisory

Scheduled Task Creation via Group Policy Object

Detects the creation of scheduled tasks within a Group Policy Object (GPO) by monitoring for the creation of the ScheduledTasks.xml file in the SYSVOL share, potentially indicating malicious persistence.

Splunk Enterprise +3 scheduled-task gpo persistence windows
2r 2t
medium advisory

Right-to-Left Override (RTLO) Masquerading

Adversaries use the Right-to-Left Override (RTLO) character in filenames to disguise malicious files and trick users into executing them, leading to potential malware infection and system compromise.

Windows defense-evasion masquerading rtlo
3r 2t
medium advisory

Renamed Utility Executed with Short Program Name

This rule detects the execution of renamed utilities with a single-character process name, differing from the original filename, a common technique used by adversaries for staging, executing temporary utilities, or bypassing security detections.

Elastic Defend +1 defense-evasion masquerading windows
2r 1t
medium advisory

Remote Scheduled Task Creation via RPC

The creation of scheduled tasks from a remote source via RPC, where the RpcCallClientLocality and ClientProcessId are 0, indicates potential adversary lateral movement within a Windows environment.

Windows lateral-movement execution
2r 2t
medium advisory

Remote File Download via Desktopimgdownldr Utility

The desktopimgdownldr utility can be abused to download remote files, potentially bypassing standard download restrictions and acting as an alternative to certutil for malware or tool deployment.

Microsoft Defender XDR +1 command-and-control file-download windows desktopimgdownldr
3r 1t
medium advisory

Remote File Copy to a Hidden Share

This rule detects remote file copy attempts to hidden network shares, which may indicate lateral movement or data staging activity, by identifying suspicious file copy operations using command-line tools like cmd.exe and powershell.exe focused on hidden share patterns.

Elastic Defend +2 lateral-movement data-staging windows hidden-share
2r 3t
medium advisory

Registry Persistence via AppInit DLL Modification

Modification of the AppInit DLLs registry keys on Windows systems allows attackers to execute code in every process that loads user32.dll, establishing persistence and potentially escalating privileges.

Microsoft Windows +6 persistence defense-evasion appinit-dlls registry windows
2r 2t
high advisory

Raccine Scheduled Task Deletion via Schtasks

Detection of adversaries deleting the Raccine Rules Updater scheduled task via `schtasks.exe` to disable the ransomware protection tool, potentially leading to data encryption and loss.

Splunk Enterprise +2 raccine ransomware defense-evasion scheduled-task windows
2r
low advisory

PsExec Lateral Movement via Network Connection

The rule identifies the use of PsExec.exe making a network connection, indicative of potential lateral movement by adversaries executing commands with SYSTEM privileges on Windows systems to disable defenses.

Elastic Defend +1 psexec lateral-movement windows
2r 3t
medium advisory

Process Created with a Duplicated Token

This rule identifies the creation of a process impersonating the token of another user logon session on Windows, potentially indicating privilege escalation.

Windows privilege-escalation token-impersonation
2r 2t
medium advisory

Privileged Account Brute Force Detection

Multiple consecutive logon failures targeting admin accounts from the same source IP address within a short timeframe indicates potential brute-force activity targeting privileged accounts on Windows systems.

Windows brute-force credential-access
2r 2t
high advisory

Print.exe Used to Dump Sensitive Files for Credential Access

Attackers are abusing the legitimate Windows Print.exe utility to copy sensitive files like NTDS.DIT and SAM in order to extract credentials, enabling local or remote credential access.

Windows credential-dumping credential-access print.exe
2r 2t
medium advisory

PowerShell Script with Encryption/Decryption Capabilities

PowerShell scripts employing .NET cryptography APIs are used to encrypt data for impact or decrypt payloads for defense evasion.

Elastic Endpoint Security +1 powershell encryption defense-evasion windows
2r 3t
high advisory

PowerShell Obfuscation via String Concatenation

This rule detects PowerShell scripts employing string concatenation to evade static analysis and AMSI by fragmenting keywords or URLs at runtime.

PowerShell defense-evasion obfuscation windows
2r 1t
high advisory

PowerShell Obfuscation via Character Array Reconstruction

Detects PowerShell scripts using character array reconstruction to hide commands, URLs, or payloads, evading static analysis and AMSI.

powershell obfuscation defense-evasion windows
2r 1t
high advisory

PowerShell MiniDump Script Detection

This brief detects PowerShell scripts that reference MiniDumpWriteDump or full-memory minidump types, potentially used to capture process memory from credential-bearing processes like LSASS.

PowerShell credential-access minidump windows
2r 1t
medium advisory

Potential Windows Error Manager Masquerading

Adversaries may masquerade malicious processes as legitimate Windows Error Reporting processes (WerFault.exe or Wermgr.exe) to evade detection by establishing network connections without arguments, thus blending into normal system activity.

Windows Error Reporting defense-evasion masquerading windows
2r 1t
medium advisory

Potential Protocol Tunneling via Yuze

This brief describes the detection of Yuze, an open-source tunneling tool often executed via rundll32 to proxy C2 or pivot traffic within a compromised network.

Yuze tunneling command-and-control windows
2r 3t
medium advisory

Potential PowerShell Obfuscation via Special Character Overuse

This rule detects PowerShell scripts heavily obfuscated with whitespace and special characters, often used to evade static analysis and AMSI, by identifying scripts with low symbol diversity and a high proportion of whitespace and special characters.

powershell obfuscation defense-evasion windows
2r 3t
medium advisory

Potential Persistence via Time Provider Modification

The rule detects potential persistence via modification of the Time Provider in Windows by adversaries who register and enable a malicious DLL as a time provider, allowing for persistent code execution.

Windows persistence privilege-escalation
2r 2t
medium advisory

Potential Persistence via Mandatory User Profile Modification

Adversaries may abuse Windows mandatory profiles by dropping a malicious NTUSER.MAN file containing pre-populated persistence-related registry keys to establish persistence, which can evade traditional registry-based monitoring.

Elastic Defend persistence windows mandatory-profile file-modification
2r 2t
medium advisory

Potential Masquerading as Communication Apps

Attackers may attempt to evade defenses by masquerading malicious processes as legitimate communication applications such as Slack, WebEx, Teams, Discord, RocketChat, Mattermost, WhatsApp, Zoom, Outlook and Thunderbird.

Slack +9 defense-evasion masquerading windows
2r 3t
high advisory

Potential Machine Account Relay Attack via SMB

The rule identifies potential relay attacks against a machine account by detecting network share access events originating from a remote source IP but utilizing the target server's computer account, which may indicate an SMB relay attack.

Elastic License v2 credential-access smb-relay windows
2r 2t
medium advisory

Potential LSA Authentication Package Abuse

Adversaries can abuse the Local Security Authority (LSA) authentication packages by modifying the Windows registry to achieve privilege escalation or persistence by executing binaries with SYSTEM privileges.

Microsoft Defender XDR +1 privilege-escalation persistence windows
2r 2t
high advisory

Potential Kerberos Relay Attack via Coerced Authentication against a Computer Account

Detects potential Kerberos relay attacks by identifying coercion attempts followed by authentication events using a target server's computer account, originating from a different host, indicating an attacker has captured and relayed Kerberos authentication material to execute code on behalf of the compromised system.

Windows kerberos relay credential_access
3r 1t 1c
medium advisory

Potential DNS Tunneling via NsLookup

Detection of multiple nslookup.exe executions with explicit query types from a single host, potentially indicating command and control activity via DNS tunneling, where attackers abuse DNS for data infiltration or exfiltration.

M365 Defender +2 dns-tunneling command-and-control windows
2r 2t
medium advisory

Potential DLL Side-Loading via Trusted Microsoft Programs

This rule detects potential DLL side-loading attempts by identifying trusted Microsoft programs (WinWord.exe, EXPLORER.EXE, w3wp.exe, DISM.EXE) running from non-standard paths or after being renamed to evade defenses.

Microsoft Word +2 defense-evasion execution windows dll side-loading
2r 2t
high advisory

Potential Credential Access via Windows Utilities

This rule detects the execution of known Windows utilities often abused to dump LSASS memory or the Active Directory database (NTDS.dit) in preparation for credential access by identifying specific command-line arguments and process names associated with credential dumping activities.

Elastic Defend +2 credential-access defense-evasion windows
3r 3t
high advisory

Potential Command Shell via NetCat Execution

The rule identifies potential attempts to execute a reverse shell using the netcat utility to execute Windows commands via Cmd.exe or Powershell.

Elastic Defend reverse shell netcat command execution windows
2r 3t
high advisory

Persistence via Update Orchestrator Service Hijack

Detection of potential hijacking of the Microsoft Update Orchestrator Service to establish persistence and privilege escalation by monitoring uncommon processes spawned by `svchost.exe` with `UsoSvc` as command-line parameters.

Windows 10 +1 persistence privilege-escalation windows
2r 3t 1c
high advisory

Password Spray Attack Detection via 3-Sigma Anomaly

This analytic detects password spraying attacks by identifying an unusual volume of failed authentication attempts from a single source using a 3-sigma deviation from the average, leveraging the Authentication Data Model for broad CIM-mapped event coverage.

Windows password-spraying credential-access
2r 1t
high advisory

NTDS or SAM Database File Copied

Detects copy operations of the Active Directory Domain Database (ntds.dit) or Security Account Manager (SAM) files using command-line tools, potentially leading to credential access.

Windows +1 credential-access ntds sam
2r 2t
high advisory

NorthStar C2 Agent Execution Detection

This brief details detection strategies for NorthStar C2 agent execution on Windows endpoints, an open-source command and control framework used for penetration testing and red teaming.

Splunk Enterprise +2 command-and-control red-teaming penetration-testing windows
2r 3t 2i
high advisory

Non-Chrome Process Accessing Chrome Login Data

This analytic identifies non-Chrome processes accessing the Chrome user data file 'login data', which is an SQLite database containing sensitive information like saved passwords, potentially leading to credential theft.

Chrome +3 credential-access password-stealing windows
2r 1t
high advisory

Network Connections from Processes in Suspicious Windows Directories

Detection of network connections originating from processes running within suspicious Windows directories, indicating potential malware execution and command-and-control activity.

Splunk Enterprise +2 network_connection windows suspicious_location
2r 1t
medium advisory

Multiple Remote Management Tool Vendors on Same Host

This rule identifies Windows hosts where two or more distinct remote monitoring and management (RMM) or remote-access tool vendors are observed starting processes within the same eight-minute window, potentially indicating compromise, shadow IT, or attacker staging of redundant access.

AeroAdmin +60 remote-access-tool command-and-control rmm windows
2r
medium threat

MSSQL xp_cmdshell Stored Procedure Abuse for Persistence

Attackers may leverage the xp_cmdshell stored procedure in Microsoft SQL Server to execute arbitrary commands for privilege escalation and persistence, often bypassing default security configurations.

SQL Server persistence sql-server xp_cmdshell windows
2r 2t
medium advisory

Mshta Making Network Connections Indicative of Defense Evasion

Mshta.exe making outbound network connections may indicate adversarial activity, as it is often used to execute malicious scripts and evade detection by proxying execution of untrusted code.

Amazon Assistant +3 defense-evasion system-binary-proxy-execution windows
2r 1t
critical advisory

Microsoft QUIC Remote Elevation of Privilege Vulnerability (CVE-2026-32179)

CVE-2026-32179 is a critical remote elevation of privilege vulnerability in Microsoft QUIC caused by improper input validation during ACK frame decoding, potentially allowing an attacker to gain elevated privileges over the network.

Microsoft QUIC msquic privilege-escalation windows
2r 1t
high advisory

Microsoft HPC Pack Deserialization Vulnerability (CVE-2026-32184)

CVE-2026-32184 allows an authorized local attacker to elevate privileges on a Microsoft High Performance Compute Pack (HPC) system through deserialization of untrusted data.

HPC Pack cve-2026-32184 privilege-escalation deserialization windows
2r 1t 1c
medium advisory

Microsoft Defender Tampering via Registry Modification

Adversaries may disable or tamper with Microsoft Defender features via registry modifications to evade detection and conceal malicious behavior on Windows systems.

Microsoft Defender XDR +4 defense-evasion registry-modification windows
2r 2t
high threat

Malicious Termination of Browser Processes via Taskkill

The use of taskkill to forcibly terminate browser processes such as Chrome, Firefox, and Edge, often associated with credential-stealing malware like Braodo stealer, is detected, allowing it to unlock and steal sensitive browser data.

Chrome +5 Braodo Stealer credential-theft taskkill braodo-stealer windows
2r 1t
medium advisory

LSASS Process Access via Windows API

Detects suspicious access to the LSASS process via Windows API calls, potentially indicating credential dumping and subsequent lateral movement.

Windows credential-access lsass process-access
2r 1t
medium advisory

LSA PPL Protection Setting Modification via CommandLine

Attackers modify LSA PPL protection settings via command-line tools like reg.exe and PowerShell to weaken system security and enable credential dumping.

Windows defense-evasion credential-access
2r 1t
low advisory

LOLBIN Network Connection for Defense Evasion

Adversaries can use Living-Off-The-Land Binaries (LOLBINs) such as expand.exe, extrac32.exe, ieexec.exe, and makecab.exe to establish network connections, potentially bypassing security controls and facilitating malicious activities on Windows systems.

Elastic Defend +2 lolbin defense-evasion windows
2r 1t
high advisory

Kerberos Ticket Dump via Kirbi File Creation

The creation of .kirbi files on Windows systems indicates potential Kerberos ticket dumping using tools like Mimikatz, preceding Pass-The-Ticket attacks.

Windows +1 credential-access kerberos mimikatz pass-the-ticket
2r 2t
medium advisory

IOBit Unlocker Extension DLL Registration via Regsvr32

The IOBit Unlocker Extension DLL is being registered via regsvr32.exe, a Windows utility used to unlock files or folders by terminating locking processes, which could be abused for malicious purposes.

Unlocker Extension +3 iobit unlocker regsvr32 dll windows threat-detection
2r 1t
low advisory

Ingress Transfer via Windows BITS

Adversaries may leverage Windows Background Intelligent Transfer Service (BITS) to download executable and archive files to evade defenses and establish command and control.

Background Intelligent Transfer Service +2 bits ingress-transfer command-and-control defense-evasion windows
2r 2t
medium advisory

Incoming Execution via WinRM Remote Shell

This rule detects incoming execution via Windows Remote Management (WinRM) remote shell on a target host, which could be an indication of lateral movement by monitoring network traffic on ports 5985 or 5986 and processes initiated by WinRM.

Elastic Defend +1 lateral-movement windows winrm remote-execution
2r 1t
medium advisory

Host File System Changes via Windows Subsystem for Linux

This rule detects file creation and modification on the host system from the Windows Subsystem for Linux (WSL), potentially indicating defense evasion by adversaries.

Elastic Defend +2 defense-evasion windows wsl
2r 2t
high advisory

Hiding User Account from Sign-In Screen via Registry Modification

An attacker modifies the Windows registry to hide a user account from the login screen, potentially establishing a hidden admin account for persistence and evading detection.

Splunk Enterprise +2 persistence defense-evasion windows
2r
high advisory

Hidden Local Account Creation via Registry Modification

Attackers may create hidden local accounts, appending a dollar sign ($) to the username, to maintain persistence and evade detection by standard enumeration tools by modifying specific registry keys.

Windows persistence defense-evasion
2r 2t
low advisory

Group Policy Discovery via GPResult Utility

This rule detects the execution of gpresult.exe with specific arguments to query group policy objects, potentially indicating reconnaissance activity by attackers aiming to understand the Active Directory environment for privilege escalation or lateral movement.

Windows +1 discovery gpresult active-directory
2r 1t
medium advisory

GPO Scheduled Task or Service Creation/Modification

Detection of the creation or modification of new Group Policy based scheduled tasks or services, which can be abused by attackers with domain admin permissions to execute malicious payloads remotely on domain-joined machines, leading to privilege escalation and persistence.

Elastic Defend +2 group-policy privilege-escalation persistence windows
2r 3t
medium advisory

GPO Modification to Add Startup/Logon Scripts

This rule detects the modification of Group Policy Objects (GPO) to add a startup or logon script to user or computer objects, enabling attackers to achieve privilege escalation and persistence by executing arbitrary commands at scale.

Active Directory +1 group-policy privilege-escalation persistence windows
2r 3t
high advisory

Google Chrome Use-After-Free Vulnerability in Video Component (CVE-2026-6359)

CVE-2026-6359 is a use-after-free vulnerability in the Video component of Google Chrome on Windows prior to version 147.0.7727.101, allowing a remote attacker who has compromised the renderer process to achieve out-of-bounds memory access via a crafted HTML page.

Google Chrome cve-2026-6359 chrome use-after-free windows
2r 2t 1c 1i
critical advisory

FreeFloat FTP Server 1.0 STOR Command Buffer Overflow

FreeFloat FTP Server 1.0 is vulnerable to a buffer overflow in the STOR command handler, enabling remote attackers to execute arbitrary code by sending a crafted STOR request with an oversized payload.

FreeFloat FTP Server cve-2019-25614 buffer-overflow ftp stor code-execution windows
2r 1t
medium advisory

First Time Seen Driver Loaded

The rule identifies the load of previously unseen drivers, which may indicate attackers exploiting vulnerable drivers for privilege escalation and persistence.

Elastic Defend privilege-escalation persistence windows
2r 3t
high advisory

Firewall Modification for File and Printer Sharing

This analytic detects the modification of Windows Firewall settings to enable file and printer sharing, a common technique used by ransomware to facilitate lateral movement and broader network encryption.

Splunk Enterprise +3 ransomware lateral-movement windows
2r 1t
high advisory

Firewall Disabled via Netsh Command

Detection of Windows Firewall being disabled via the `netsh` command, potentially exposing the system to external threats and unauthorized communication.

Windows Firewall defense-evasion endpoint windows
2r 1t
high advisory

Firewall Allowed Program Enable

Detection of firewall rule modification to allow specific application execution, potentially bypassing restrictions and enabling unauthorized network communication.

Splunk Enterprise +2 firewall defense-evasion windows
3r
medium advisory

Execution via Windows Subsystem for Linux

This detection identifies attempts to execute programs from the Windows Subsystem for Linux (WSL) to evade detection by flagging suspicious executions initiated by WSL processes and excluding known safe executables.

Microsoft Defender XDR +3 defense-evasion execution windows wsl
2r 2t
high advisory

Execution of SymbolicLink-Testing-Tools Utility for Privilege Escalation

The execution of utilities from the `symboliclink-testing-tools` toolkit is detected, which can be used by attackers to exploit Windows symbolic link vulnerabilities to achieve local privilege escalation from a standard user to SYSTEM.

Splunk Enterprise +2 privilege-escalation symbolic-link windows
2r 2t
low advisory

Execution from Removable Media with Network Connection

Detects process execution from removable media by an unusual process with untrusted code signature followed by network connection attempts, potentially indicating malware introduced via removable media for initial access.

Elastic Defend initial-access removable-media windows
2r 1t
high advisory

Excessive Windows Service Disabling Events

An adversary may disable critical Windows services to evade defenses or disrupt system operations, detected by monitoring for an excessive number of service-disabled events on a single host.

Splunk Enterprise +2 defense-evasion service-disabling windows
2r 1t
high advisory

Excessive Taskkill Usage for Defense Evasion

Adversaries use taskkill.exe to disable security tools, and this detection identifies instances where taskkill.exe is executed excessively within a short timeframe, indicative of malicious activity aimed at defense evasion.

Splunk Enterprise +2 defense-evasion process-termination windows
2r 1t
high threat

Excessive Taskkill Usage for Defense Evasion

Adversaries use excessive calls to `taskkill.exe` (more than 10 times within a minute) to disable security tools or critical processes, evading detection and compromising systems.

Windows Multiple threat actors (Azorult +5 taskkill defense-evasion
2r 1t
high advisory

Excessive Service Control Start as Disabled

Detection of an excessive number of `sc.exe` processes launched with the `start= disabled` argument indicating potential attempts to disable critical services and impair system defenses.

Splunk Enterprise +2 defense-evasion windows
2r 1t
medium advisory

Enumeration of Privileged Local Groups Membership

An unusual process is enumerating built-in Windows privileged local groups membership, such as Administrators or Remote Desktop users, potentially revealing targets for credential compromise and post-exploitation activities.

Windows discovery privileged-access
2r 1t
medium advisory

Encoded Executable Stored in the Registry

This rule detects registry write modifications hiding encoded portable executables, indicative of adversary defense evasion by avoiding storing malicious content directly on disk.

Elastic Defend +3 defense-evasion registry windows
2r 3t 1i
high advisory

EDRSilencer Execution Detected

The EDRSilencer tool is designed to block outbound traffic of EDR processes by leveraging Windows Filtering Platform (WFP) APIs to evade endpoint defenses.

Microsoft Defender +2 edr defense-evasion windows
3r 1t
high advisory

Disabling LSA Protection via Registry Modification

Adversaries may modify the RunAsPPL registry key to disable LSA protection, which prevents nonprotected processes from reading memory and injecting code, potentially leading to credential access.

Elastic Defend +3 defense-evasion windows registry
2r 1t
medium advisory

Detection of WMI Temporary Event Subscription Creation

Detection of WMI temporary event subscriptions via Windows Event Logs can identify potential attacker command execution, information gathering, or persistence attempts.

Windows wmi persistence execution
2r 2t
high advisory

Detection of Windows AutoIt3 Execution

Detects execution of AutoIt3, a scripting language used for Windows GUI automation, often abused by attackers to automate malicious actions such as executing malware, potentially leading to unauthorized code execution and system compromise.

AutoIt3 scripting malware execution windows
2r 1t
high advisory

Detection of Vulnerable Windows Driver Installation

This analytic detects the installation of known vulnerable Windows drivers, potentially indicating persistence or privilege escalation attempts by threat actors exploiting these drivers for elevated privileges and system compromise.

Windows vulnerable-driver privilege-escalation persistence
2r 1t
medium advisory

Detection of PuTTY Suite Utility Execution

This analytic detects the execution of programs associated with the PuTTY SSH client suite, including putty.exe, pscp.exe, plink.exe, psftp.exe, and puttygen.exe, which can be used to establish unauthorized remote connections, transfer files, or execute commands on remote systems potentially leading to network compromise.

Splunk Enterprise +2 putty lateral-movement command-and-control windows
3r 2t
high advisory

Detection of ETW Disabling via Registry Modification

Attackers may disable Event Tracing for Windows (ETW) by modifying specific registry keys to evade detection and hinder security monitoring, potentially leading to further system compromise.

.NETFramework +3 defense-evasion registry-modification etw ransomware windows
2r
high advisory

Detection of Default Cobalt Strike PowerShell Beacon

This brief outlines detection strategies for default Cobalt Strike PowerShell beacons, which are used for command and control, by identifying specific function and variable names within PowerShell script block logs.

Splunk Enterprise +2 cobaltstrike powershell beacon commandandcontrol windows
2r 2t
medium advisory

Detection of Azure Storage Utility Execution via Command Line Interface

Adversaries may leverage Azure Storage utilities like AzCopy and Storage Explorer post-compromise to stage or extract sensitive data from endpoints, blending malicious activity with legitimate cloud traffic.

AzCopy.exe +1 data-exfiltration azure-storage cli windows
2r 1t
medium advisory

Detecting WMIC Systeminfo Discovery Activity

This brief covers detection of adversaries using Windows Management Instrumentation Command-line (WMIC) to gather system information, specifically the `computersystem` class, a technique used for reconnaissance.

Windows wmic discovery
2r 1t
high advisory

Detecting Windows Screen Capture via PowerShell Script

This analytic detects the execution of a PowerShell script designed to capture screen images on a host, leveraging PowerShell Script Block Logging to identify specific script block text patterns associated with screen capture activities, potentially indicating an attempt to exfiltrate sensitive information via desktop screenshots.

Windows +2 screen-capture powershell exfiltration apt
2r 1t
critical advisory

Detecting Windows Raw Access to Master Boot Record

This analytic detects suspicious raw access reads to the drive containing the Master Boot Record (MBR) using Sysmon EventCode 9, which is a common tactic used by attackers to wipe, encrypt, or overwrite the MBR as part of their impact payload.

Windows raw-disk-access mbr sysmon data-destruction
2r 1t
high advisory

Detecting Windows LAPS Password Gathering via PowerShell

This brief outlines detection strategies for adversaries attempting to retrieve LAPS passwords using PowerShell and the 'ms-Mcs-AdmPwd' property, potentially leading to lateral movement and privilege escalation within a Windows domain.

Splunk Enterprise +3 laps credential-access powershell windows
2r 2t
medium advisory

Detecting Spikes in Active Directory Object Modifications

This detection identifies a spike in Active Directory group or object modifications, potentially indicating unauthorized access, defense impairment, or persistence establishment by threat actors.

Splunk Enterprise +2 active-directory persistence privilege-escalation windows
2r 1t
medium advisory

Detect Windows Netspy Network Scanner Execution

The Netspy network scanner, a tool for internal network discovery, is executed on a Windows endpoint to enumerate active hosts and services, potentially for reconnaissance purposes.

Splunk Enterprise +2 network-discovery windows endpoint
2r 2t
medium advisory

Detect Suspicious WMI Event Subscription Creation for Persistence

This threat brief details the detection of malicious Windows Management Instrumentation (WMI) event subscriptions, a technique used by attackers for persistence and privilege escalation on Windows systems.

Elastic Defend persistence wmi windows event-subscription
2r 1t
high advisory

CVE-2026-32093 Function Discovery Service Race Condition Privilege Escalation

A race condition vulnerability in the Function Discovery Service (fdwsd.dll), tracked as CVE-2026-32093, allows a locally authorized attacker to escalate privileges on a vulnerable Windows system.

Windows privilege-escalation race-condition
2r 1t 1c
high advisory

CVE-2026-32089 Use-After-Free in Windows Speech Brokered API for Privilege Escalation

CVE-2026-32089 is a use-after-free vulnerability in the Windows Speech Brokered API that allows a local attacker to elevate privileges on a vulnerable system.

Windows cve-2026-32089 privilege-escalation
2r 1t 1c
high advisory

CVE-2026-32086 Function Discovery Service Race Condition Privilege Escalation

CVE-2026-32086 is a race condition vulnerability in the Function Discovery Service (fdwsd.dll) that allows an authorized local attacker to elevate privileges on a Windows system.

Windows cve-2026-32086 privilege-escalation race-condition
2r 1t 1c
high threat

CVE-2026-32083 Windows SSDP Service Race Condition Privilege Escalation

CVE-2026-32083 is a race condition vulnerability in the Windows SSDP Service that allows an authorized local attacker to elevate privileges.

exploited Windows privilege-escalation cve-2026-32083
1r 1t 1c
high advisory

CVE-2026-32074 Double Free in Windows Projected File System

CVE-2026-32074 is a double free vulnerability in the Windows Projected File System that allows a local attacker to elevate privileges.

Windows privilege-escalation cve-2026-32074
2r 1t 1c
high advisory

CVE-2026-26180 Windows Kernel Heap Overflow for Privilege Escalation

CVE-2026-26180 is a heap-based buffer overflow vulnerability in the Windows Kernel that allows an authenticated local attacker to elevate privileges.

Windows privilege-escalation cve-2026-26180
2r 1t 1c 1i
high advisory

Credential Guard Bypass Techniques and Detection Strategies

Offensive techniques such as patching, Pass-the-Challenge, downgrade attacks, and SSP negotiation can bypass Credential Guard, requiring robust detection strategies.

Windows credential-guard bypass security authentication
3r 4t 1i
high advisory

Creation or Modification of Domain Backup DPAPI Private Keys

This rule detects the creation or modification of Domain Backup private keys on Windows systems, which adversaries may extract from a Domain Controller (DC) to decrypt domain user master key files and gain credential access.

Windows +1 credential-access dpapi
2r 3t
high advisory

Core FTP/SFTP Server 1.2 Buffer Overflow Vulnerability (CVE-2019-25654)

Core FTP/SFTP Server 1.2 is vulnerable to a buffer overflow, allowing attackers to crash the service by providing an excessively long string in the User domain field.

Core FTP/SFTP Server buffer overflow denial of service cve-2019-25654 core ftp sftp windows
2r 1t
low advisory

Component Object Model (COM) Hijacking via Registry Modification

Adversaries may establish persistence by executing malicious content triggered by hijacked references to COM objects through Component Object Model (COM) hijacking via registry modification on Windows systems.

Elastic Defend +9 persistence com-hijacking windows registry defense-evasion privilege-escalation
2r 4t
high advisory

Command Obfuscation via Unicode Modifier Letters

Adversaries evade string-based detections by replacing ASCII characters with visually similar Unicode modifier letters in command lines, leading to execution of malicious commands.

Windows +1 command-obfuscation defense-evasion
2r 1t
medium advisory

Command Execution via ForFiles Utility for Defense Evasion

Adversaries are leveraging the Windows `forfiles` utility to proxy command execution, potentially bypassing security controls by using a trusted process, for defense evasion.

Windows defense-evasion indirect-command-execution
2r 1t
medium advisory

Command Execution via ForFiles Utility

Adversaries may use the Windows forfiles utility to proxy command execution via a trusted parent process, potentially evading detection.

Microsoft Defender XDR +2 defense-evasion indirect-execution windows
2r 1t
medium advisory

Code Signing Policy Modification Through Registry

Attackers modify the Windows Registry to disable code signing enforcement, allowing the execution of unsigned or self-signed malicious code.

Windows defense-evasion registry-modification code-signing
2r 2t
high advisory

Cobalt Strike PowerShell Loader Detection

This brief details a detection for a PowerShell loader pattern commonly used with Cobalt Strike to decompress and execute payloads, often observed in scripted web delivery attacks.

Splunk Enterprise +2 cobaltstrike powershell malware windows
2r 2t
medium advisory

Cloudflare Tunnel (cloudflared) Abuse for Protocol Tunneling

Adversaries are abusing Cloudflare Tunnel (cloudflared) to create outbound tunnels and proxy command and control traffic, or exfiltrate data, evading direct connection blocking by routing traffic through Cloudflare's edge.

Cloudflare Tunnel command-and-control protocol-tunneling windows
3r 2t 1i
low advisory

Clearing Windows Console History for Defense Evasion

Adversaries may clear Windows console history to remove evidence of their activity and evade detection.

Windows defense-evasion console-history
2r 1t
high advisory

Cisco Secure Endpoint Uninstallation via SFC Utility

The sfc.exe utility is used with the "-u" parameter to uninstall Cisco Secure Endpoint components, potentially disabling endpoint protection and facilitating further exploitation.

Secure Endpoint +3 security-solution-tampering endpoint windows
2r
medium advisory

BITS Job Notify Command Persistence

Adversaries can abuse the Background Intelligent Transfer Service (BITS) SetNotifyCmdLine method to execute arbitrary commands for persistence by configuring a BITS job to execute a program after a transfer completes or enters a specific state.

Windows persistence bits
2r 1t
high advisory

BCDEdit Failure Recovery Modification

Detection of modifications to Windows error recovery boot configurations using bcdedit.exe, a technique commonly used by ransomware to disable system restoration options.

Windows bcdedit boot-configuration ransomware
2r 1t
low advisory

Active Directory Discovery via ADExplorer Execution

Detects the execution of ADExplorer, a tool used for Active Directory viewing and editing, which can be abused by adversaries for domain reconnaissance and creating offline snapshots of the AD database.

Microsoft Defender XDR +1 active-directory discovery reconnaissance windows
2r 5t
medium advisory

Account Configured with Never-Expiring Password

Detects the creation and modification of an account with the 'Don't Expire Password' option enabled, which attackers can abuse to persist in the domain and maintain long-term access.

Active Directory persistence windows account-manipulation
2r 1t
high advisory

Abuse of dnscmd.exe to Modify DNS ServerLevelPluginDLL

Attackers can use dnscmd.exe with administrative privileges to configure the Microsoft DNS ServerLevelPluginDll setting, allowing them to load arbitrary DLLs and execute code within the DNS service context for persistence and privilege escalation.

Splunk Enterprise +3 persistence privilege-escalation windows
2r 1t
medium advisory

Windows Universal Data Link File Creation Detection

The creation of Universal Data Link (UDL) files on Windows systems can indicate a phishing technique where attackers bypass email filters and capture user credentials by tricking victims into testing a connection to a malicious server.

Splunk Enterprise +2 phishing credential-theft windows
2r 2t
high advisory

Windows File Association Modification via Ftype Command

Adversaries can use the `ftype` command to modify Windows file associations, potentially redirecting legitimate file execution to malicious payloads for persistence, execution, and defense evasion.

Splunk Enterprise +2 file-association persistence execution windows
2r 3t
high advisory

Windows Event Log Cleared

Detection of cleared Windows event logs (Security Event ID 1102 or System log event 104) indicates potential defense evasion and obfuscation by threat actors attempting to remove evidence of their activities.

Splunk Enterprise +2 defense-evasion impact windows
2r 1t
high advisory

Windows Defender Health Check Interval Modification

This analytic detects modifications to the Windows registry, specifically targeting the `ServiceKeepAlive` value, to impair Windows Defender's ability to perform timely health checks, potentially leading to a vulnerable system state.

Splunk Enterprise +3 windows registry defender defense-evasion threat
2r
low advisory

Unusual Process Spawned by a User Detected by Machine Learning

A machine learning job detected a suspicious Windows process, predicted to be malicious by the ProblemChild supervised ML model and found to be unusual within the user's context, potentially indicating defense evasion techniques like masquerading or the use of LOLbins.

Windows endpoint defense evasion machine learning lolbins
2r 2t
medium advisory

Unusual Parent-Child Relationship Detection

This rule identifies Windows programs run from unexpected parent processes, which could indicate masquerading or other strange activity on a system, potentially indicating process injection, masquerading, access token manipulation, or parent PID spoofing.

Microsoft Defender XDR +1 privilege-escalation defense-evasion windows process-injection masquerading access-token-manipulation parent-pid-spoofing
3r 4t
high advisory

Suspicious QEMU Execution on Windows

Detects the execution of QEMU with the -nographic flag and an image file on Windows systems, a technique used for persistence and initial access by installing a rogue Linux virtual machine.

Splunk Enterprise +3 qemu virtualization persistence linux windows
2r 2t
medium advisory

Suspicious Process Execution via Renamed PsExec Executable

Detects suspicious PsExec activity where the PsExec service component is executed using a custom name, indicating an attempt to evade detections that look for the default PsExec service component name.

Elastic Defend +2 psexec lateral-movement execution defense-evasion windows
2r 3t
medium advisory

Suspicious Process Creation Followed by Memory Access from Unknown Region

The rule identifies suspicious process creation where a process is created and immediately accessed from an unknown memory code region by the same parent process, indicating a potential code injection attempt, specifically process hollowing, commonly targeting processes spawned by Microsoft Office applications, scripting engines, and command-line tools for defense evasion.

Office +2 defense-evasion process-injection windows
2r 1t
medium advisory

Suspicious Outbound Scheduled Task Activity via PowerShell

This rule detects PowerShell loading the Task Scheduler COM DLL followed by an outbound RPC network connection, potentially indicating lateral movement or remote discovery via scheduled tasks.

Windows execution lateral-movement
2r 3t
high advisory

Suspicious DNS Queries to Telegram API by Non-Telegram Processes

Detection of a process making DNS queries to the Telegram API domain, which is indicative of malware utilizing Telegram bots for command and control (C2) communications.

Splunk Enterprise +2 telegram command-and-control dns windows
2r 2t 1i
high advisory

Suspicious Cmd Execution via WMI

Detects suspicious command execution via Windows Management Instrumentation (WMI) on a remote host, identifying cmd.exe processes initiated by WmiPrvSE.exe with arguments indicative of remote command execution, potentially signifying adversary lateral movement.

Windows execution lateral-movement
2r 3t
medium advisory

Spike in Active Directory User Modification Activity

Detects an increase in modifications to AD user objects, which may indicate unauthorized access, impaired defenses, or persistence establishment.

Splunk Enterprise +2 account-manipulation persistence windows
2r 1t
low advisory

ProblemChild ML Model Detects Unusual Process on Windows Host

The ProblemChild machine learning model detected a rare Windows process indicative of defense evasion, potentially involving LOLbins, on a host not commonly associated with malicious activity.

Windows defense-evasion lolbin machine-learning
2r 1t
high advisory

Potential Svchost Masquerading

This rule detects attempts to masquerade as the Service Host process `svchost.exe` to evade detection and blend in with normal system activity by detecting svchost.exe processes running from non-standard locations.

Windows defense-evasion masquerading
2r 1t
high advisory

Potential Modification of Accessibility Binaries for Persistence and Privilege Escalation

Adversaries can modify accessibility binaries to execute malicious code before user login, establishing persistence and potentially escalating privileges by replacing legitimate accessibility tools with backdoored executables.

Windows persistence privilege-escalation
2r 2t
medium advisory

Potential Application Shimming via Sdbinst

Attackers abuse the Application Shim functionality in Windows by using `sdbinst.exe` with malicious arguments to achieve persistence and execute arbitrary code within legitimate Windows processes.

Windows +1 persistence privilege-escalation application-shimming
2r 2t
medium advisory

Persistence via LSA Security Support Provider Registry Modification

Adversaries may establish persistence by modifying the Windows Security Support Provider (SSP) configuration in the registry, allowing malicious code to load during system startup.

Windows persistence registry
2r 2t
medium advisory

MpCmdRun.exe Used for Remote File Download

Attackers are abusing the Windows Defender MpCmdRun.exe utility to download remote files, potentially delivering malware or offensive tools into compromised systems.

Windows Defender command-and-control ingress-tool-transfer windows mpcmdrun
2r 1t
high advisory

Microsoft IIS Connection Strings Decryption via aspnet_regiis

An attacker with Microsoft IIS web server access can decrypt and dump hardcoded connection strings, such as the MSSQL service account password, using the aspnet_regiis command.

IIS credential-access windows
2r 2t
high advisory

Microsoft Devtunnels Execution for Covert Communication

The execution of Microsoft devtunnels.exe can be abused by attackers to expose compromised systems to the internet, establish covert communication channels, and bypass network security measures, facilitating data exfiltration or command-and-control.

Visual Studio +3 devtunnels reverse-proxy command-and-control defense-evasion windows
2r 1t
medium advisory

LSASS Loading Suspicious DLL

Detection of LSASS loading an unsigned or untrusted DLL, which can indicate credential access attempts by malicious actors targeting sensitive information stored in the LSASS process.

Windows credential-access lsass dll-injection
2r 2t 9i
high advisory

Logon Script Registry Modification for Persistence and Privilege Escalation

This brief details the detection of UserInitMprLogonScript registry entry modifications, a technique employed by threat actors for persistence and privilege escalation by ensuring payloads execute automatically at system startup.

Splunk Enterprise +2 persistence privilege-escalation windows
2r 2t
high advisory

Executable or Script Creation in Suspicious Paths

This analytic identifies the creation of executables or scripts in suspicious file paths on Windows systems, where adversaries often use these paths to evade detection and maintain persistence, potentially leading to unauthorized code execution, privilege escalation, or persistence within the environment.

Windows defense-evasion persistence privilege-escalation execution
2r 1t
high advisory

Disabling LSA Protection via Registry Modification

Attackers may disable LSA protection by modifying the RunAsPPL registry value in order to access LSASS memory and dump credentials, potentially leading to credential compromise and further lateral movement.

Windows defense-evasion credential-access registry-modification
2r 3t
high advisory

Disabling CMD Application via Registry Modification

Attackers modify the Windows registry to disable the command prompt (cmd.exe), hindering incident response and potentially maintaining persistence.

Splunk Enterprise +2 registry-modification defense-evasion windows
2r 1t
high advisory

Detection of Unauthorized Windows Hosts File Access

This analytic detects processes attempting to access the Windows hosts file, enabling attackers to redirect traffic to malicious sites or block legitimate security websites by modifying DNS resolution.

Windows hosts-file dns-redirection
2r 1t
high threat

Detection of Taskkill Command to Terminate Browser Processes

This analytic detects the use of the taskkill command to terminate known browser processes, a technique employed by malware such as Braodo stealer to steal credentials by forcefully closing browsers like Chrome, Edge, and Firefox to unlock files containing sensitive information.

Splunk Enterprise +2 Braodo Stealer credential-theft malware windows
2r
medium advisory

Detecting Remote Scheduled Task Creation for Lateral Movement

This rule identifies remote scheduled task creations on a target Windows host, potentially indicating lateral movement by adversaries, by monitoring network connections and registry modifications related to task scheduling.

Elastic Defend +2 lateral-movement execution windows scheduled-task
2r 2t
low advisory

Adding Hidden File Attribute via Attrib.exe

Adversaries can use attrib.exe to add the 'hidden' attribute to files to hide them from users and evade detection, which can be detected by monitoring process executions related to attrib.exe.

M365 Defender +4 defense-evasion persistence windows attrib.exe
2r 2t
high advisory

Credential Acquisition via Registry Hive Dumping

Attackers may dump the SECURITY and/or SAM hives to obtain credentials stored in the host by using the Windows reg.exe tool.

Windows credential-access registry-dump
2r 2t
high advisory

PowerShell PSReflect Script Detection

This rule detects PowerShell script block content containing PSReflect-style helper indicators, such as Add-Win32Type, New-InMemoryModule, or DllImport patterns, that may support dynamic Win32 API invocation from PowerShell.

PowerShell +1 psreflect windows execution
2r 1t
medium advisory

Remote File Download via Script Interpreter

The rule identifies built-in Windows script interpreters, specifically cscript.exe or wscript.exe, being used to download an executable file from a remote destination, often employed by attackers for initial access or to deploy secondary payloads.

Windows command_and_control execution
2r 2t
medium advisory

Account Password Reset Remotely

The rule detects attempts to reset potentially privileged account passwords remotely, a tactic used by adversaries to maintain access, evade password policies, and preserve compromised credentials.

Windows persistence impact
2r 2t
low advisory

Unusual Source IP for Windows Privileged Operations Detected via ML

A machine learning job detected a user performing privileged operations in Windows from an uncommon source IP, potentially indicating account compromise or privilege escalation.

Windows privileged-access-detection machine-learning
2r 2t
medium advisory

Unusual Process For a Windows Host via Machine Learning

This rule detects rare processes running on Windows hosts, potentially indicating unauthorized services, malware, or persistence mechanisms by using machine learning to identify processes that run infrequently compared to other processes on the same host.

Windows persistence execution
2r 2t
low advisory

Unusual Privilege Type Assigned to User via Machine Learning Anomaly

A machine learning job has identified a user leveraging an uncommon privilege type for privileged operations on Windows systems, potentially indicating privileged access activity and requiring investigation for privilege escalation or account manipulation.

Windows privileged-access privilege-escalation
2r 4t
low advisory

Unusual Host Name for Windows Privileged Operations Detected via ML

A machine learning job has identified a user performing privileged operations in Windows from an uncommon device, indicating potential privileged access activity associated with compromised accounts or insider threats.

Windows privileged-access-detection anomaly-detection
2r 2t
medium advisory

Startup Folder Persistence by Suspicious Processes

This rule identifies files written to or modified in the startup folder by commonly abused processes on Windows systems, a technique adversaries use to maintain persistence by automatically executing malicious programs upon user login or system startup.

Windows +2 persistence startup-folder
2r 1t
medium advisory

Remote File Download via Desktopimgdownldr Utility

The rule detects the use of desktopimgdownldr.exe to download remote files, which is an abuse of a signed utility often used as an alternative to certutil for transferring malicious tools or malware into a compromised environment.

Windows command-and-control ingress-tool-transfer
2r 1t
high advisory

Potential Remote Desktop Shadowing Activity

This rule detects potential Remote Desktop Shadowing activity by identifying modifications to the RDP Shadow registry or the execution of processes indicative of an active RDP shadowing session that allows adversaries to spy on or control other user's RDP sessions.

Windows +1 lateral-movement rdp-shadowing
3r 3t
medium advisory

Persistence via PowerShell Profile Modification

Attackers can establish persistence by creating or modifying PowerShell profiles to execute malicious code each time PowerShell is launched, customizing the user environment.

PowerShell persistence windows
2r 2t
high advisory

Persistence via Hidden Run Key

Adversaries achieve persistence by creating hidden, null-terminated registry keys within common Run key locations, evading standard system utilities.

Windows persistence registry defense-evasion
2r 4t
low advisory

First Time Seen Removable Device Activity

This rule detects the first time a removable device is seen on a Windows host by monitoring registry modification events related to USB devices, aiding in the detection of potential data exfiltration or initial access attempts.

Windows initial-access exfiltration
2r 2t
low advisory

DNS-over-HTTPS Enabled via Registry Modification

Detection of DNS-over-HTTPS (DoH) being enabled via registry modifications on Windows systems, potentially indicating defense evasion by masking network activity and hindering traditional DNS monitoring.

Microsoft Edge +2 defense-evasion windows dns-over-https
3r 2t
medium advisory

Windows Script Execution from Archive File

This rule detects attempts to execute Jscript/Vbscript files from archive files, a common method for delivering malicious scripts by identifying unusual parent-child process relationships where scripting utilities are launched from archive programs, indicating potential exploitation.

Windows Script Host +2 execution archive scripting windows
2r 3t
medium advisory

Execution via Compiled HTML File

Adversaries may abuse compiled HTML files (.chm) to execute malicious code by proxying execution via hh.exe, often leading to command execution via scripting interpreters.

HTML Help system compiled-html execution defense-evasion windows
2r 6t
low advisory

Windows Delayed Execution via Ping Followed by Malicious Utilities

Adversaries may use ping to delay execution of malicious commands, scripts, or binaries to evade detection, often observed during malware installation.

Windows execution defense-evasion ping lolbas
2r 14t
high advisory

WScript or CScript Dropper

The WScript or CScript Dropper technique involves using cscript.exe or wscript.exe to write malicious script files (js, jse, vba, vbe, vbs, wsf, wsh) to suspicious locations on a Windows system for later execution.

Windows script-dropper file-creation
2r 2t
medium advisory

Windows WMI Reconnaissance Activity Detection

Detection of Windows Management Instrumentation Command-line (WMIC) usage for reconnaissance by querying common Win32 WMI classes for system information, potentially indicating post-exploitation activity.

Windows wmic reconnaissance post-exploitation
2r 1t
high threat

Windows Time-Based Evasion via Ping Delay

This analytic detects potentially malicious processes initiating a ping delay using an invalid IP address, a tactic used by malware like NJRAT to evade detection by delaying actions.

Windows NJRAT time-based-evasion
2r 1t
medium advisory

Windows Temporarily Scheduled Task Creation and Deletion

Detection of rapid creation and deletion of scheduled tasks on Windows, indicating potential malicious activity abusing the task scheduler for execution and cleanup.

Windows persistence execution
2r 2t
high advisory

Windows Service Creation via Registry Modification

Detection of registry modifications to create Windows services, a common persistence technique used by attackers to maintain access, escalate privileges, or move laterally within a network.

Windows persistence privilege-escalation
2r 1t
medium advisory

Windows Script Host Executing PowerShell

Detects PowerShell execution initiated by cscript.exe or wscript.exe, commonly used by attackers for initial access or payload delivery.

Windows Script Host +1 initial-access powershell windows scripting
2r 4t
low advisory

Windows Scheduled Task Creation for Persistence

Adversaries may create scheduled tasks on Windows systems to establish persistence, move laterally, or escalate privileges, and this detection identifies such activity by monitoring Windows event logs for scheduled task creation events, excluding known benign tasks and those created by system accounts.

OneDrive +5 persistence scheduled-task windows
3r 1t
medium advisory

Windows Sandbox Abuse for Defense Evasion

The execution of Windows Sandbox processes with sensitive configurations (write access to the host file system, network connection, automatic execution via logon command) is identified, as malware may abuse this sandbox feature to evade detection.

Windows Sandbox defense-evasion windows-sandbox windows
3r 1t
medium advisory

Windows Registry Modification to Disable Run Application

The following analytic detects modification of the Windows registry to disable the Run application in the Start menu by monitoring changes to the registry path '*\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoRun' with a value of '0x00000001', potentially hindering system cleaning and aiding malware persistence.

Splunk Enterprise +2 defense-evasion registry-modification windows
2r 1t
low advisory

Windows Peripheral Device Discovery via fsutil

Adversaries may use the Windows file system utility, fsutil.exe, with the fsinfo drives command to enumerate attached peripheral devices and gain information about a compromised system.

Microsoft Defender XDR +1 discovery windows fsutil
2r 1t
high advisory

Windows HVCI Disabled via Registry Modification

Detection of Hypervisor-protected Code Integrity (HVCI) being disabled by modifying specific Windows registry keys, potentially allowing the execution of malicious kernel-mode code.

Splunk Enterprise +2 defense-evasion registry-modification windows
2r 1t 1c
low advisory

Windows Event Logs Cleared

Attackers attempt to clear Windows event logs to evade detection and remove forensic evidence of their activities.

Windows defense-evasion
2r 1t
medium advisory

Windows Defender SmartScreen Level Downgrade to 'Warn'

This analytic detects modifications to the Windows Registry to set Windows Defender SmartScreen level to 'Warn', which can reduce user suspicion and increase the risk of malware execution.

Splunk Enterprise +3 defense-evasion registry-modification windows
2r 1t
medium advisory

Windows Defender PUA Protection Disabled via Registry Modification

An attacker modifies the Windows Registry to disable Windows Defender Potentially Unwanted Application (PUA) protection, increasing the risk of malware installation and system compromise.

Windows Defender +3 defense-evasion windows registry-modification
2r
high advisory

Windows Defender Firewall and Network Protection Disabled via Registry Modification

An attacker modifies the Windows registry to disable the Windows Defender Firewall and Network Protection settings, potentially weakening the system's security posture and increasing vulnerability to further attacks.

Windows Defender Security Center +3 defense-evasion registry-modification windows
2r 1t
medium advisory

Windows Credential Manager Abuse via VaultCmd

Adversaries may abuse VaultCmd to list or dump credentials stored in the Windows Credential Manager to obtain saved usernames and passwords, potentially for lateral movement.

Windows credential-access vaultcmd
2r 2t
medium advisory

Windows Command Obfuscation via Environment Variable Substrings

Attackers obfuscate commands in Windows by dynamically constructing them using substrings extracted from environment variables, a technique observed in malware families such as Cobalt Strike and Meterpreter.

Splunk Enterprise +2 command-obfuscation defense-evasion windows
2r 1t
high threat

Windows Audit Policy Security Descriptor Tampering via Auditpol

Detection of `auditpol.exe` execution with arguments to modify the audit policy security descriptor, indicative of defense evasion by adversaries aiming to limit audit logging.

Splunk Enterprise +2 auditpol security descriptor defense evasion windows
2r 1t
medium advisory

Windows Admin Account Brute Force Detection

This rule identifies potential password guessing/brute force activity from a single source IP targeting multiple Windows accounts with 'admin' in the username, indicating an attempt to compromise privileged accounts.

Windows Security Event Logs credential-access brute-force windows
2r 2t
medium advisory

Wbadmin Backup Catalog Deletion

Adversaries may delete Windows backup catalogs using wbadmin.exe to inhibit system recovery, often as part of ransomware or other destructive attacks.

Windows impact backup-deletion ransomware
2r 2t
medium advisory

User Account ServicePrincipalName Attribute Modified

Detection of modifications to the servicePrincipalName attribute on user accounts, potentially exposing them to Kerberoasting attacks by allowing attackers to request Kerberos tickets for the account.

Active Directory kerberoasting credential-access windows spn
2r 2t
medium advisory

Unusual Service Host Child Process - Childless Service

The rule identifies unusual child processes of Service Host (svchost.exe) instances hosting services that do not traditionally spawn child processes, potentially indicating code injection or exploitation leading to privilege escalation and defense evasion.

Windows process-injection privilege-escalation defense-evasion
2r 2t
medium advisory

Unusual Process Execution via Alternate Data Streams

Adversaries may use Alternate Data Streams (ADS) to hide malicious executables and execute them, evading traditional detection methods by concealing the file's true nature.

Windows defense-evasion malware
2r 1t
medium advisory

Unusual Parent Process for cmd.exe

Atypical parent processes spawning cmd.exe indicate potential malicious command execution on Windows systems, where adversaries leverage cmd.exe from unusual parent processes to execute malicious commands stealthily.

Windows execution process-tree
1r 1t
high advisory

Unusual File Creation via Alternate Data Streams

Detection of suspicious creation of Alternate Data Streams (ADS) on targeted files using command interpreters indicates potential malware hiding or defense evasion.

Windows defense-evasion alternate-data-stream
2r 1t
high advisory

Unusual Executable File Creation by System Critical Process

This rule detects the creation or modification of executable files by Windows system-critical processes, potentially indicating remote code execution or other forms of exploitation for defense evasion, execution, or privilege escalation.

Windows defense-evasion execution privilege-escalation
2r 3t
high advisory

Unusual Child Process from System Virtual Process Indicates Process Injection

The rule detects suspicious child processes of the Windows System process (PID 4), excluding legitimate processes, potentially indicating code injection used for defense evasion.

Windows defense-evasion process-injection
2r 1t
high advisory

UAC Bypass via ICMLuaUtil Elevated COM Interface

Attackers attempt to bypass User Account Control (UAC) to stealthily execute code with elevated permissions by abusing the ICMLuaUtil Elevated COM interface, spawning processes from dllhost.exe with specific arguments.

Windows privilege-escalation uac-bypass
2r 3t
high advisory

Sysmon Driver Unload via fltMC.exe

Detection of the Sysmon filter driver being unloaded via `fltMC.exe`, which can blind security monitoring and allow malicious actions to go undetected.

Splunk Enterprise +3 defense-evasion impair-defenses windows
2r 1t
high advisory

Suspicious Wevtutil Usage for Clearing Windows Event Logs

Detection of wevtutil.exe being used with parameters to clear event logs, indicating potential attempts to evade detection and hinder forensic investigations by adversaries.

Splunk Enterprise +2 defense-evasion windows log-manipulation
2r
medium advisory

Suspicious Svchost.exe Child Process: cmd.exe

Detection of cmd.exe being spawned by svchost.exe, which is an unusual behavior indicative of potential masquerading or privilege escalation attempts on Windows systems.

execution windows process_injection privilege_escalation
2r 2t
medium advisory

Suspicious Shell Execution via Velociraptor

Attackers are abusing the Velociraptor endpoint visibility and response tool to execute shell commands (cmd, PowerShell, rundll32) on compromised Windows systems, blending in with legitimate system processes.

SolarWinds Web Help Desk velociraptor command-and-control windows
2r 2t
medium advisory

Suspicious Remote Registry Access via SeBackupPrivilege

Detection of remote registry access by an account with SeBackupPrivilege, potentially indicating credential exfiltration attempts via SAM registry hive dumping.

Windows credential-access lateral-movement
2r 3t
high advisory

Suspicious Remote Process Instantiation via WMI

Detection of wmic.exe execution with parameters indicative of spawning a process on a remote system, a technique often used for lateral movement and remote code execution.

Windows wmi lateral-movement remote-execution
2r 1t
medium advisory

Suspicious RDP Client Image Load

The rule detects suspicious loading of the Remote Desktop Services ActiveX Client (mstscax.dll) from unusual locations, potentially indicating RDP lateral movement on Windows systems.

Remote Desktop Client lateral-movement threat-detection windows
2r 1t
high advisory

Suspicious MSBuild Rename

The analytic detects the execution of renamed instances of msbuild.exe, a legitimate tool abused by attackers to execute malicious code while evading detection, potentially leading to system compromise, data exfiltration, or lateral movement.

Splunk Enterprise +2 lolbin msbuild defense-evasion windows
2r 2t
high advisory

Suspicious Microsoft HTML Application Child Process

Mshta.exe spawning a suspicious child process, such as cmd.exe or powershell.exe, indicates potential adversarial activity leveraging Mshta to execute malicious scripts and evade detection on Windows systems.

Windows +2 defense-evasion mshta process-creation
2r 1t
high advisory

Suspicious Microsoft Antimalware Service Execution

Detection of Microsoft Antimalware Service Executable (MsMpEng.exe) executing from non-standard paths or being renamed, indicative of defense evasion via DLL side-loading or process masquerading.

Microsoft Antimalware Service defense-evasion execution masquerading dll-side-loading windows
2r 3t
low advisory

Suspicious Local Scheduled Task Creation

This rule detects the creation of scheduled tasks on Windows systems by non-system accounts, a common technique used by adversaries for persistence, lateral movement, and privilege escalation.

Elastic Defend persistence windows scheduled_task attack.persistence
2r 1t
medium advisory

Suspicious Inter-Process Communication via Outlook COM

Adversaries may target user email to collect sensitive information or send email on their behalf via API by abusing Outlook's Component Object Model (COM) interface from unusual processes.

Outlook email_collection com_abuse windows
2r 2t
high advisory

Suspicious Execution Patterns with NodeJS Interpreter

This rule detects suspicious execution patterns using the NodeJS interpreter, focusing on process paths and arguments, indicating potential abuse of command and scripting interpreters and obfuscation techniques to evade defenses.

NodeJS execution javascript windows
3r 2t
high advisory

Suspicious Executable or Script Creation in Uncommon Paths

Detection of executables or scripts being created in unusual directories on Windows systems, which can be indicative of malware installation or persistence attempts.

Windows file-creation persistence
3r 1t
medium advisory

Suspicious Enumeration Commands Spawned via WMIPrvSE

This rule identifies suspicious activity where enumeration commands are spawned via the Windows Management Instrumentation Provider Service (WMIPrvSE) to gather system and network information.

Windows enumeration wmi reconnaissance
2r 13t
low advisory

Suspicious Command Prompt Network Connection

This alert identifies suspicious network connections initiated by the command prompt (cmd.exe) when executed with arguments indicative of script execution, remote resource access, or originating from Microsoft Office applications, which is a common tactic for downloading payloads or establishing command and control.

Elastic Defend +7 command-prompt network-connection windows execution command-and-control
2r 4t
low advisory

Suspicious Access to LDAP Attributes

The rule detects suspicious access to LDAP attributes in Active Directory by identifying read access to a high number of Active Directory object attributes, which can help adversaries find vulnerabilities, elevate privileges, or collect sensitive information.

Active Directory active_directory ldap discovery windows
2r 3t
medium advisory

Suspicious .NET Code Compilation via Unusual Parent Processes

Adversaries may use unusual parent processes to execute .NET compilers for compiling malicious code after delivery, evading security mechanisms, and this activity is detected by monitoring compiler executions initiated by scripting engines or system utilities.

Microsoft Defender XDR +3 defense-evasion compile-after-delivery windows
2r 3t
medium advisory

SMB Registry Hive Exfiltration

Detection of medium-sized registry hive files being created or modified on Server Message Block (SMB) shares, potentially indicating exfiltration of Security Account Manager (SAM) data for credential extraction.

Elastic Defend credential-access lateral-movement exfiltration windows
2r 3t
low advisory

Service Control Executed from Script Interpreters

Detection of Service Control (sc.exe) being spawned from script interpreter processes, such as PowerShell or cmd.exe, to create, modify, or start services, which may indicate privilege escalation or persistence attempts by an attacker.

Elastic Defend +2 privilege-escalation defense-evasion execution windows service-creation
2r 8t
high advisory

Remcos RAT Activity Detection

This brief outlines detection strategies for Remcos RAT activity, focusing on file and registry artifacts indicative of installation, persistence, and cleanup on compromised Windows systems.

Windows remcos rat malware
3r 3t
medium advisory

PowerShell Script Block Logging Disabled via Registry Modification

Attackers may disable PowerShell Script Block Logging by modifying the registry to evade detection and conceal their activities on the host, detected by monitoring changes to the `EnableScriptBlockLogging` registry value.

PowerShell +1 defense-evasion windows
2r 2t
high advisory

PowerShell Keylogging Script Detection

This brief documents a high-severity threat involving PowerShell scripts used for keylogging on Windows systems to capture credentials and sensitive user input.

Windows +1 keylogger powershell collection
2r 1t
low advisory

Potential Secure File Deletion via SDelete Utility

This rule detects file name patterns generated by the use of Sysinternals SDelete utility, which attackers may abuse to delete forensic indicators and hinder recovery efforts after ransomware or data theft.

SDelete defense-evasion impact windows
2r 2t
high threat

Potential CVE-2025-33053 Exploitation via Internet Explorer Diagnostics

Exploitation of CVE-2025-33053 via a malicious URL file can lead to the spawning of suspicious child processes from the Internet Explorer Diagnostics Utility (iediagcmd.exe), enabling initial access, defense evasion, and execution of arbitrary commands.

exploited Internet Explorer cve-2025-33053 initial-access defense-evasion execution windows
2r 5t 1c
high advisory

Potential Credential Access via Renamed COM+ Services DLL

Detection of renamed COMSVCS.DLL being loaded by rundll32.exe, potentially used to dump LSASS memory for credential access while evading command-line detection.

Windows credential-access defense-evasion
2r 3t 1i
high advisory

Potential Credential Access via MSBuild Loading Credential Management DLLs

The detection rule identifies a potential credential access attempt via the trusted developer utility MSBuild by detecting instances where it loads DLLs associated with Windows credential management, specifically vaultcli.dll or SAMLib.DLL, which is often used for credential dumping.

MSBuild +2 credential-access defense-evasion windows
2r 1t
medium advisory

Potential Credential Access via DCSync

This rule identifies when a User Account starts the Active Directory Replication Process, potentially indicating a DCSync attack, which allows attackers to steal credential information compromising the entire domain.

Azure AD Connect credential-access privilege-escalation windows active-directory
2r 3t
medium advisory

Netsh Used to Enable Remote Desktop Protocol (RDP) in Windows Firewall

Adversaries may use the `netsh.exe` utility to enable inbound Remote Desktop Protocol (RDP) connections in the Windows Firewall, potentially allowing unauthorized remote access to compromised systems.

Windows Firewall +4 defense-evasion lateral-movement windows netsh rdp
2r 2t
medium advisory

Multiple Remote Management Tool Vendors on Same Host

This detection identifies a Windows host where two or more distinct remote monitoring and management (RMM) or remote-access tool vendors are observed starting processes within the same eight-minute window, potentially indicating compromise, shadow IT, or attacker staging of redundant access.

AeroAdmin +55 command-and-control rmm windows threat-detection
3r
high advisory

MSHTA Executing Inline HTA Script

Detection of mshta.exe executing with inline script protocols like JavaScript or VBScript, often used for malicious script execution and defense evasion.

Windows mshta fileless defense-evasion
2r 1t
medium advisory

MSBuild Started by System Process

Detects instances of MSBuild, the Microsoft Build Engine, started by Explorer or the WMI (Windows Management Instrumentation) subsystem, which is unusual and often used by malicious payloads to evade defenses.

Windows defense-evasion execution
2r 2t
medium advisory

MS Office Macro Security Registry Modifications

Attackers may modify Microsoft Office registry settings related to macro security (AccessVBOM, VbaWarnings) to disable security warnings, enabling malicious macros for persistence and further compromise.

Microsoft Office office macro registry defense-evasion windows
2r 2t
medium advisory

Mounting of Hidden or WebDav Remote Shares via Net Utility

Adversaries may leverage the `net.exe` utility to mount WebDav or hidden remote shares, potentially indicating lateral movement, data exfiltration preparation, or initial access via discovery of accessible shares.

Elastic Defend +2 lateral-movement data-exfiltration windows
2r 4t
high advisory

Modification of WDigest Security Provider

The rule detects attempts to modify the WDigest security provider in the registry to force the user's password to be stored in clear text in memory, which could lead to credential dumping.

Windows +2 credential-access registry-modification
2r 1t
medium advisory

Microsoft Outlook VBA Template Persistence

Attackers establish persistence by installing a malicious VBA template in Microsoft Outlook, triggering scripts upon application startup by modifying the VBAProject.OTM file.

Outlook persistence vba windows
2r 1t
medium advisory

Microsoft IIS Service Account Password Dump via AppCmd

An attacker with IIS web server access via a web shell can extract service account passwords by requesting full configuration output or targeting credential-related fields using the AppCmd tool.

IIS credential-access appcmd windows
2r 2t
medium advisory

Microsoft Devtunnels Image Load Detection

This detection identifies potential misuse of Microsoft Devtunnels within Visual Studio by detecting image load events, indicating that an attacker could expose a compromised system or service to the internet for covert communication and data exfiltration.

Visual Studio +3 devtunnels reverse-proxy command-and-control data-exfiltration windows
2r 2t
medium advisory

Masquerading Business Application Installers

Attackers masquerade malicious executables as legitimate business application installers to trick users into downloading and executing malware, leveraging defense evasion and initial access techniques.

Elastic Defend +22 masquerading defense-evasion initial-access malware windows
2r 4t
high advisory

Malicious MSC File Creation in Mock Trusted Directory

The creation of MSC files within a 'C:\Windows \System32' directory can be exploited to execute malicious files due to path parsing vulnerabilities in Windows, potentially leading to privilege escalation, persistence, and defense evasion.

Splunk Enterprise +2 defense-evasion privilege-escalation persistence windows
2r 3t
medium advisory

LSASS Shtinkering Detection via Full User-Mode Dump Configuration

Detection of the enabling of full user-mode dumps system-wide, a setting change leveraged in LSASS Shtinkering attacks to dump LSASS process memory and steal credentials.

Windows credential-access lsass registry
2r 2t
medium advisory

LSASS Memory Dump Creation Detection

This rule identifies the creation of LSASS memory dump files, often indicative of credential access attempts using tools like Task Manager, SQLDumper, Dumpert, or AndrewSpecial, by monitoring for specific filenames and excluding legitimate dump locations.

Elastic Defend +4 credential_access lsass memory_dump windows
2r 1t
high advisory

Lateral Movement via Startup Folder File Creation

Adversaries may move laterally by dropping malicious scripts or executables into a remote system's startup folder via RDP or SMB, enabling execution upon reboot or user logon.

Windows lateral-movement persistence
2r 4t
medium advisory

Lanman NullSessionPipe Registry Modification for Lateral Movement

Adversaries may modify the NullSessionPipe registry key to enable anonymous access to named pipes, facilitating lateral movement and defense evasion by allowing unauthorized access to network resources.

Windows lateral-movement defense-evasion
2r 2t
medium advisory

Image File Execution Options (IFEO) Injection for Persistence and Defense Evasion

Adversaries abuse Image File Execution Options (IFEO) in the Windows Registry by modifying Debugger or MonitorProcess keys to intercept legitimate file executions, enabling persistence and defense evasion.

Windows persistence defense-evasion registry
2r 3t
high advisory

IIS HTTP Logging Disabled

An attacker with IIS server access can disable HTTP Logging using appcmd.exe with the /dontLog parameter as an anti-forensics measure.

IIS defense-evasion windows
2r 1t
medium advisory

High Number of Process and/or Service Terminations Detected

A high number of process terminations (stop, delete, or suspend) from the same Windows host within a short time period may indicate malicious activity such as an attacker attempting to disable security measures or prepare for ransomware deployment.

Elastic Defend impact defense-evasion windows
2r 2t
high advisory

Gigabyte Control Center Insecure Deserialization Privilege Escalation (CVE-2026-4416)

A local, authenticated attacker can exploit an insecure deserialization vulnerability in the Gigabyte Control Center's Performance Library component by sending a malicious serialized payload to the EasyTune Engine service, leading to privilege escalation.

Control Center insecure-deserialization privilege-escalation windows
2r 1t
medium advisory

File with Right-to-Left Override Character (RTLO) Created/Executed

This rule detects the creation or execution of files or processes with names containing the Right-to-Left Override (RTLO) character, which can be used to disguise the file extension and trick users into executing malicious files on Windows systems.

Elastic Defend +2 defense-evasion rtlo masquerading windows
2r 2t
medium advisory

Disabling Windows Defender Security Settings via PowerShell

Attackers use PowerShell commands like Set-MpPreference or Add-MpPreference, often with base64 encoding, to disable or weaken Windows Defender security settings in order to evade detection and execute malicious payloads.

Windows Defender defense-evasion powershell windows
3r 2t
medium advisory

Disabling User Account Control via Registry Modification

Attackers may disable User Account Control (UAC) by modifying specific registry values, allowing them to execute code with elevated privileges, bypass security restrictions, and potentially escalate privileges on Windows systems.

Microsoft Defender XDR +1 privilege-escalation defense-evasion windows
2r 3t
medium advisory

Disable Windows Event and Security Logs Using Built-in Tools

Attackers may attempt to disable Windows event logging to evade detection by using built-in tools like logman, PowerShell, and auditpol.

Windows defense-evasion eventlog
3r 3t
medium advisory

Detection of WMIC System Information Discovery

Adversaries may use Windows Management Instrumentation Command-line (WMIC) to gather system information, specifically using the `computersystem` alias to retrieve details about the system's configuration, which aids in reconnaissance.

Windows discovery wmic
2r 1t
medium advisory

Detection of System Information Discovery Techniques

This brief covers the detection of adversaries using native Windows commands like `wmic qfe`, `systeminfo`, and `hostname` to gather system information for further exploitation.

Windows system-discovery post-exploitation
1r 1t
high advisory

Detection of Kali Linux Installation or Usage via Windows Subsystem for Linux (WSL)

Adversaries may attempt to install or use Kali Linux via Windows Subsystem for Linux (WSL) to avoid detection, potentially enabling them to perform malicious activities within a Windows environment while blending in with legitimate WSL usage.

Windows Subsystem for Linux +4 defense-evasion windows wsl kalilinux
2r 1t
medium advisory

Detecting Execution from Alternate Data Streams

Adversaries may execute malicious code from Alternate Data Streams (ADS) on Windows to evade defenses by hiding malware within legitimate files, which this detection identifies by monitoring process execution paths and arguments.

M365 Defender +1 defense-evasion windows alternate data stream
2r 1t
high advisory

CVE-2026-27923 Use-After-Free in Desktop Window Manager

A use-after-free vulnerability, CVE-2026-27923, in the Desktop Window Manager allows an authorized attacker with local access to escalate privileges.

Windows use-after-free privilege-escalation
2r 1t 1c 1i
high threat

Chrome Credential Theft via Password Store Copying

The Braodo stealer and other malware copy Chrome's Local State and Login Data files to temporary directories to steal encrypted user credentials.

Chrome Braodo Stealer credential-access malware windows
2r 1t
medium advisory

AppInit DLL Registry Persistence Detected

Modification of the AppInit DLLs registry keys can be used for persistence and defense evasion on Windows systems.

Windows persistence defense-evasion
2r 2t
low threat

AdFind Tool Used for Active Directory Reconnaissance

The execution of AdFind.exe, an Active Directory query tool, is often used by threat actors for post-exploitation Active Directory reconnaissance, as observed in campaigns involving Trickbot, Ryuk, Maze, and FIN6.

Elastic Defend FIN6 adfind active-directory reconnaissance windows
2r 5t
medium advisory

Windows Update Client DLL Loading Abuse

Adversaries abuse the Windows Update Auto Update Client (wuauclt.exe) to load arbitrary DLLs from user-writable locations, achieving defense evasion and execution of malicious code.

Windows defense-evasion execution lolbas
2r 2t
medium advisory

Windows Privilege Escalation via Secondary Logon Service

The rule identifies process creation with alternate credentials, which can be used for privilege escalation, by detecting successful logins via the Secondary Logon service (seclogon) from a local source IP address (::1), followed by process creation using the same TargetLogonId.

Windows privilege-escalation access-token-manipulation
2r 2t
medium advisory

Suspicious MS Outlook Child Process

Detection of suspicious child processes spawned by Microsoft Outlook, indicative of spear phishing and malicious file execution leading to potential initial access and further exploitation.

Microsoft Outlook +3 initial-access phishing malware windows
2r 3t
medium advisory

Suspicious CertUtil Commands for Defense Evasion and Lateral Movement

This rule detects suspicious use of certutil.exe, a native Windows utility often abused by attackers for downloading/deobfuscating malware and exfiltrating data, by identifying commands involving decoding, encoding, URL caching, CTL verification, and PFX exporting, which are frequently used for command and control and defense evasion.

Windows defense-evasion command-and-control credential-access certutil
2r 3t
medium advisory

Remote Execution via File Shares

This rule identifies potential lateral movement via network file shares by detecting the execution of a file that was created by the virtual system process.

Windows lateral-movement file-share
2r 1t
medium advisory

Remote Execution of Windows Services via RPC

Detection of remote execution of Windows services over RPC by correlating `services.exe` network connections and spawned child processes, potentially indicating lateral movement.

SCCM lateral-movement execution windows
2r 2t
high advisory

PowerShell Obfuscation via Backtick-Escaped Variable Expansion

PowerShell scripts use backtick-escaped characters inside `${}` variable expansion to reconstruct strings at runtime, enabling attackers to split keywords, hide commands, and evade static analysis and AMSI.

windows +1 powershell obfuscation defense-evasion variable-expansion
2r 1t
medium advisory

Potential Exploitation of Unquoted Service Path Vulnerability

This rule detects potential exploitation of unquoted service paths on Windows systems, which can lead to privilege escalation by identifying suspicious processes starting from common unquoted paths, indicating a potential attempt to execute malicious code.

Windows privilege-escalation unquoted-service-path
2r 1t
high advisory

Non-Discord Application Accessing Discord LevelDB Database

This analytic detects non-Discord applications accessing the Discord LevelDB database by monitoring Windows Security Event logs (event code 4663), which may indicate attempts to steal Discord credentials or access sensitive user data, potentially compromising user profiles, messages, and other critical information.

Discord credential-access stealer windows
2r 1t
low advisory

High Variance in RDP Session Duration Detected via Machine Learning

A machine learning job has detected unusually high variance of RDP session duration, potentially indicating lateral movement and session persistence by threat actors.

lateral-movement threat-detection windows
2r 2t
medium advisory

Execution of COM object via Xwizard

Adversaries can abuse the legitimate system binary Xwizard to execute Component Object Model (COM) objects, evading defensive countermeasures by running COM objects created in the registry.

Windows execution defense-evasion com xwizard
2r 2t
medium advisory

Execution from Unusual Directory - Command Line

Adversaries may execute commands and scripts from unusual Windows directories to masquerade malware and evade detection, impacting system integrity and security operations.

Windows execution defense-evasion
2r 3t
medium advisory

Disabling Windows Defender Security Settings via PowerShell

This rule detects the use of the Set-MpPreference PowerShell command to disable or weaken Windows Defender settings, a common defense evasion tactic.

Windows Defender defense-evasion powershell windows
2r 2t
low advisory

Adding Hidden File Attribute via Attrib.exe

Adversaries can use attrib.exe to add the 'hidden' attribute to files and directories to evade detection and persist on a system by hiding artifacts.

Windows defense-evasion persistence
2r 2t
high advisory

NTDS or SAM Database File Copied

Detects copy operations of Active Directory Domain Database (ntds.dit) or Security Account Manager (SAM) files, potentially exposing sensitive hashed credentials on Windows systems.

Microsoft Defender XDR +2 credential-access windows ntds sam credential-theft
2r 1t
high advisory

Potential Fake CAPTCHA Phishing Attack via Malicious Copy/Paste

Attackers compromise websites, inject malicious code posing as fake CAPTCHAs, and trick users into copying and pasting malicious commands into the Windows Run dialog box, leading to the execution of PowerShell, Cmd, or MSHTA.

Windows +3 phishing social-engineering malware
2r 5t
high advisory

Detection of IIS HTTP Logging Disabled via AppCmd.exe

This analytic detects the use of AppCmd.exe to disable HTTP logging on IIS servers, allowing adversaries to evade detection by removing evidence of their actions.

Splunk Enterprise +3 iis logging defense-evasion windows
2r 2t