Tag
QuickFox Supply Chain Attack and FDMTP Implant Deployment
1 TTPThreat actors compromised QuickFox software supply chain to distribute trojanized Windows installers, resulting in the installation of a custom FDMTP implant for persistent access.
Privilege Escalation in Razer RzUpdateService
1 TTP 1 CVEA 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.
Local Privilege Escalation in CheckMAL AppCheck Pro via Kernel Driver
1 TTP 1 CVEA 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.
Detection of SSH Reverse Port Forwarding on Windows
1 rule 3 TTPsAdversaries are abusing native Windows OpenSSH and Plink binaries to establish unauthorized reverse SSH tunnels, bypassing inbound connectivity controls for C2 and lateral movement.
Suspicious Cross-User Process Spawning Behavior
1 rule 2 TTPsDetection of common user-space applications being spawned under different user contexts, which often indicates privilege escalation testing or sacrificial process execution.
Detection of Suspicious Offline Registry Library Usage
1 rule 1 TTPDetection of unauthorized processes loading offreg.dll to perform direct registry hive modification, potentially bypassing standard Windows Registry auditing.
Detection of Suspicious Explicit Credential Local Logon
1 rule 1 TTPDetection logic for monitoring Windows Event ID 4648 to identify potential privilege escalation through unauthorized explicit credential usage.
Heap-based Buffer Overflow in FreeRDP Windows Clipboard Client
1 CVEA 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.
Suspicious Windows Public IP Address Discovery via DNS
1 rule 1 TTP 33 IOCsAdversaries 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.
Astaroth Botnet Deploys New WhatsApp Web Spambot Component
1 rule 9 TTPs 8 IOCsOperators 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.
Unusual Windows User Privilege Elevation Activity
2 TTPsAn 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.
Detection of Unusual Windows Services via Machine Learning
2 TTPsThis 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.
Anomalous Windows Process Creation Detected by Machine Learning
2 TTPsElastic 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.
Unusual Process Detection for Windows Hosts via Machine Learning
2 TTPsAn Elastic Security machine learning rule detects rare and unusual processes on individual Windows hosts, indicating potential unauthorized services, malware execution, or persistence mechanisms.
Unusual Windows Process Accessing Cloud Instance Metadata Service
2 TTPsAn 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.
Parent Process Detected with Suspicious Windows Process(es)
2 TTPsElastic'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.
Host Detected with Suspicious Windows Processes via Machine Learning
2 TTPsElastic'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.
Unusual Process Spawned by a User Detected by ML
2 TTPsA 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.
Unusual Host Name for Windows Privileged Operations Detected
2 TTPsElastic'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.
Unusual Process Writing Data to an External Device Detected by Machine Learning
22 TTPsElastic'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.
Credential Manager Access By Uncommon Applications
1 rule 1 TTPA 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.
Uncommon Process Loading RstrtMgr.DLL for Malicious Purposes
1 rule 2 TTPsAttackers, 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.
Suspicious System Process Names in Unusual File Locations
1 rule 1 TTPThis 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.
Suspicious Access to Windows DPAPI Master Keys by Uncommon Applications
1 rule 1 TTPAdversaries 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.
Mirage Kitten Targets Middle East and Africa with New Malware
4 rules 13 TTPs 3 IOCsMirage 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.
Svchost LOLBAS Execution Process Spawn
1 rule 2 TTPsThis 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.
Detection of Unauthorized WinSCP Credential Access
1 rule 1 TTP 2 IOCsThis 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.
Abuse of MSIExec for Remote File Download and Execution
1 rule 2 TTPsThis 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 AppCertDLL Modification for Persistence and Privilege Escalation
1 rule 2 TTPsAttackers 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.
Detection of Local LLM Framework DNS Queries
1 rule 3 TTPs 18 IOCsThis 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.
Detection of Local LLM Model File Creation on Endpoints
2 rules 5 TTPsThis 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.
Web Server Outbound Connections to File Sharing Services
1 rule 2 TTPs 26 IOCsAttackers 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.
Detection of Attacker Tools on Endpoints
1 rule 3 TTPsThis 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.
Network Communication With Crypto Mining Pools
1 rule 1 TTP 315 IOCsCrypto 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.
Detection of Rare PowerShell Scripts on Windows Systems
1 TTPElastic'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.
Suspicious Powershell Script Detected by ML
2 TTPsAn 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.
Spike in User Account Management Events
5 TTPsElastic 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.
Malware Employs Web Services for Victim IP Reconnaissance
1 rule 1 TTP 27 IOCsMalware, 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.
Windows DNS Query Request by Telegram Bot API
1 rule 2 TTPs 1 IOCAn 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.
Windows Curl Download to Suspicious Path Detection
1 rule 1 TTPThis 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 Autostart Execution in Startup Folder for Persistence
1 rule 1 TTPAdversaries 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.
Detection of Registry Keys Used for Persistence
1 rule 1 TTPThis 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.
CastleLoader Malware Loader and ClearFake Activity in July 2026
3 rules 7 TTPs 7 IOCsRed 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.
Microsoft Addresses Two Actively Exploited Zero-Day Vulnerabilities in July 2026 Patch Tuesday
8 TTPs 4 CVEs 8 IOCsMicrosoft'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.
LG Monitors Auto-Install Adware-Like App on Windows PCs
1 TTPConnecting 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.
Unpacking 'Cruciferra': Analysis of a Sophisticated Crypter Service
1 rule 10 TTPs 11 IOCsCruciferra 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.
UAC-0145 Uses ClickFix CAPTCHAs to Distribute Data-Stealing Malware
2 rules 9 TTPsRussian 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.
CVE-2026-63093: Binary Planting Vulnerability in Cursor for Windows
1 rule 3 TTPs 1 CVECVE-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.
Suspicious Child Process Execution via Azure VM CustomScript Extension
1 rule 4 TTPsAttackers 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.
UAT-11795 Deploys Starland RAT and WLDR Agent via Trojanized Software
2 rules 6 TTPsUAT-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.
CVE-2026-9046: Insecure Permissions in Lenovo Legion Zone and App Store Leads to Local Arbitrary Code Execution
2 TTPs 1 CVECVE-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.
HelloNet Campaign Uses ViPNet Update System for Malicious Module Delivery
3 rules 11 TTPs 1 IOCAn 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.
Windows Bind Link Attacks Can Hide Malware From EDR Tools
3 TTPsBitdefender 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.
Potential Ransomware Note File Dropped via SMB
1 rule 4 TTPsElastic 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.
Suspicious File Renaming via SMB Indicating Remote Ransomware Activity
1 rule 4 TTPsThis 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.
Citrix Secure Access Client for Windows Vulnerabilities Lead to Privilege Escalation and Information Disclosure
2 TTPsMultiple 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.
RabbitMQ Management UI UNC SSRF Vulnerability (CVE-2026-57211) on Windows
1 CVECVE-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.
Adobe Creative Cloud Desktop Vulnerability Allows Arbitrary Code Execution via Uncontrolled Search Path
1 TTP 1 CVEAn 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.
TidGi Desktop Remote Code Execution via Malicious TiddlyWiki Repository Import
1 rule 3 TTPs 4 IOCsA 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.
JetBrains IntelliJ IDEA Vulnerability Allows Code Execution
2 TTPsA 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.
Wget Vulnerability Allows Security Bypass and Server-Side Request Forgery
1 TTPA 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.
CVE-2026-9492 - Improper Access Control in Gigabyte Control Center MBStorage Module
1 TTP 1 CVEAn 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.
Tencent PC Manager QMUDisk Driver Uncontrolled Search Path Vulnerability (CVE-2026-15515)
1 CVEA 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.
Multi-Group Espionage Targets Pakistani Law Enforcement via Weaponized Police Portal
3 rules 5 TTPs 5 IOCsSuspected 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.
OpenSSH sshd GSSAPI Behavior Vulnerability CVE-2026-59998
1 CVECVE-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.
BabelDOC Arbitrary Code Execution via CMap Pickle Deserialization
2 TTPsAn 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.
Potential System DLL Sideloading From Non System Locations
1 rule 3 TTPsThis 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.
AI-Coded Malware Used for Active Directory Enumeration and Exfiltration
3 rules 8 TTPs 7 IOCsA 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.
GigaWiper: Multi-Payload Destructive Backdoor
3 rules 6 TTPs 2 IOCsGigaWiper 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.
CVE-2026-14191 WinRAR / UnRAR RAR5 recovery-volume (.rev) out-of-bounds heap write in RecVolumes5::ReadHeader
1 CVECVE-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.
System File Execution Location Anomaly
1 rule 4 TTPsThis 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.
Detection of Failed WMI Event Log Clear Attempts
1 rule 1 TTPThis 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.
CVE-2026-0278 Prisma Access Agent: Multiple DLP Policy Bypass Vulnerabilities on Windows
1 TTPCVE-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.
Armored Likho APT Leverages BusySnake Stealer with AI-Generated Loaders and Phishing
2 rules 10 TTPsThe 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.
Multiple Vulnerabilities in Foxit PDF Editor and Reader
3 TTPs 5 CVEsMultiple 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.
Understanding ClickOnce Technology Abuse: Part 1
2 TTPsThreat 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.
New Abuse of the ClickOnce Technology, Part 2: Stop Threat Actors from Clicking Once and Staying Forever
2 rules 7 TTPs 26 IOCsThreat 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.
New Abuse of ClickOnce Technology: Understanding Internals
2 TTPsCrowdStrike 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.
AI Agents Mimic Adversarial Behavior, Triggering Security Detections
9 TTPs 9 IOCsAI 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.
CVE-2026-57851 — MSI Feature Manager Kernel Driver Local Privilege Escalation
1 TTP 1 CVEA 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.
New Abuse of ClickOnce Technology: Stop Threat Actors from Clicking Once and Staying Forever
2 rules 5 TTPsThreat 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.
ProtonVPN v4.4.1 Unquoted Service Path Vulnerability with Public Exploit
1 rule 1 TTPA 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.
Execution Of Non-Existing File via Process Ghosting
1 rule 2 TTPsThis 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.
Privileges Elevation via Parent Process PID Spoofing
1 TTPAdversaries 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.
Suspicious DNS Queries to Remote Monitoring and Management Domains from Non-Browser Processes
1 rule 193 IOCsThis 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.
MEmu Android Emulator 9.2.7.0 Local Privilege Escalation
2 rules 2 TTPs 1 CVE 4 IOCsA 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.
Rundll32 Remote Thread Injection by Malware
1 rule 1 TTPThis 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.
Potential DNS Exfiltration via Excessive Chunked Queries
1 rule 2 TTPsThis 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.
Suspicious Java Execution from User-Writable Paths with DNS Lookup
1 rule 3 TTPsThis 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.
BadPatch Malware Using SMTP on Port 26 for Command and Control
1 rule 3 TTPsThe 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.
Suspicious Activity: Multiple Remote Management Tool Vendors on Same Host
1 TTPThis 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.
SMB (Windows File Sharing) Activity from the Internet
1 rule 4 TTPs 1 CVEDetection 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).
First Time Seen Remote Monitoring and Management Tool Detection
1 rule 3 TTPs 5 IOCsAdversaries 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.
Detection of Sysmon Configuration Updates for Defense Evasion
1 ruleThis 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.
Suspicious File Download From File Sharing Domain Via Wget.EXE
1 rule 2 TTPs 36 IOCsThis 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.
Data Exfiltration via Curl to File-Sharing Websites
1 rule 1 TTPThis 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.
Suspicious File Download From File Sharing Domain Via Curl.EXE
1 rule 3 TTPs 36 IOCsA 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.
Suspicious File Downloaded From File-Sharing Website Via Certutil.EXE
1 rule 2 TTPs 35 IOCsThis 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.
Suspicious Download From File-Sharing Website Via Bitsadmin
1 rule 4 TTPs 35 IOCsThis 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.
Suspicious Process Communication to File Sharing Domains from Unusual Folders
1 rule 2 TTPsThis 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.
Detection of Unauthorized Connections to Dead Drop Resolver Domains
1 rule 1 TTPThis 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.
Unusual File Download From File Sharing Websites - File Stream
1 rule 3 TTPsThis 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.
Suspicious File Download from File Sharing Websites - Alternate Data Stream Detection
1 rule 1 TTPThis 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.
BITS Transfer Job Downloads from File Sharing Domains
1 rule 3 TTPsAdversaries 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.
Remote AppX Package Downloaded from File Sharing or CDN Domain
1 rule 3 TTPs 35 IOCsThis 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.
Potential Tampering With Security Products Via WMIC
1 rule 1 TTPThreat 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.
Application Removal Via Wmic.EXE
1 rule 1 TTPAdversaries 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.
Application Termination Attempt via Wmic.EXE
1 rule 2 TTPsAdversaries leverage the native Windows Management Instrumentation Command-line (WMIC) utility to terminate applications, specifically security products, as a defense evasion technique.
Suspicious Process Creation via WMIC.exe
1 rule 1 TTPA 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.
Registry Manipulation via WMI Stdregprov for Evasion
1 rule 3 TTPsAttackers 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`.
Detection of Service Manipulation via WMIC.exe
1 rule 1 TTPThis 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.
WMIC Remote Command Execution Detection
1 rule 1 TTPThis 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.
System Disk And Volume Reconnaissance Via Wmic.EXE
1 rule 2 TTPsThreat 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.
Potential Unquoted Service Path Reconnaissance Via Wmic.EXE
1 rule 2 TTPs 1 CVEAttackers and pentesters commonly use `wmic.exe` to query Windows service configurations for unquoted paths, a reconnaissance technique that identifies potential privilege escalation opportunities.
Uncommon WMIC System Information Discovery by Aurora Stealer
1 rule 1 TTPAurora 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.
Service Reconnaissance Via Wmic.EXE
1 rule 1 TTPAdversaries 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.
Potential Product Class Reconnaissance Via Wmic.EXE
1 rule 2 TTPsAdversaries 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.
WMIC Product Reconnaissance for Defense Evasion
1 rule 2 TTPsA 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.
Potential Process Reconnaissance via Wmic.EXE
1 rule 2 TTPsAdversaries 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.
Windows Hotfix Updates Reconnaissance Via Wmic.EXE
1 rule 1 TTPAttackers 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.
Detect Local Groups Reconnaissance Using WMIC
1 rule 1 TTPAdversaries 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.
Hardware Model Reconnaissance Via Wmic.EXE
1 rule 6 TTPsAdversaries 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.
Computer System Reconnaissance Via Wmic.EXE
1 rule 1 TTPThis 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.
Process Creation Attempt via Wmic.EXE
1 rule 1 TTPAdversaries 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.
Windows Defender Tampering via WMIC for Defense Evasion
1 rule 2 TTPsA 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.
Local Account and System Owner Discovery via Native Utilities
1 rule 2 TTPsThreat 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.
Detection of Base64 Encoded PowerShell Invoke- Keywords
1 rule 5 TTPsThis 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.
Threat Brief: Detection of Sysinternals Sysmon Uninstallation
1 rule 1 TTPThis 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.
Suspicious Use of PsLogList for Event Log Discovery and Evasion
1 rule 3 TTPsAdversaries 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.
Suspicious Service Installation for Defense Evasion
1 ruleAttackers 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.
Detection of Renamed Sysinternals Tool Usage via Registry EULA Key
1 rule 1 TTPThis 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.
Suspicious Execution of Renamed Sysinternals Tools via Registry
1 rule 2 TTPsThis 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 PsSuspend Suspicious Execution to Impair Defenses
1 ruleAdversaries 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.
Abuse of Microsoft Sysinternals PsSuspend Utility
1 rule 4 TTPsUnidentified 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.
Detection of Sysinternals PsService Execution
1 rule 3 TTPsThis 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.
Procdump Execution Detection
1 rule 1 TTPThis 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.
Permission Check Via Accesschk.EXE
1 rule 1 TTPAttackers 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.
Renamed Sysinternals Sdelete Utility Execution
1 rule 2 TTPsThe 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.
Detecting Renamed ProcDump Execution for Evasion
1 rule 2 TTPsThis 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.
Potential Defense Evasion Via Rename Of Highly Relevant Binaries
1 rule 1 TTPThis 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.
Detecting Suspicious GrantedAccess Flags on LSASS
1 rule 2 TTPsThis 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.
Potential Credential Dumping Activity via LSASS Process Access
1 rule 1 TTPAdversaries 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.
HackTool - SysmonEnte Execution for Sysmon Evasion
1 ruleThis 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.
Suspicious CredUI.DLL Loading by Uncommon Processes
1 rule 1 TTPAttackers 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.
Suspicious Process Monitor Driver Creation by Non-Sysinternals Binary
1 rule 2 TTPsThis 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.
Malware Abusing Process Explorer Driver for Privilege Escalation
1 rule 4 TTPsMalware and hack tools are observed creating Sysinternals Process Explorer drivers via non-Sysinternals processes to elevate privileges and bypass security controls on Windows systems.
Suspicious PROCEXP152.sys Driver Creation in Temporary Folders
1 ruleThis 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.
Potential Privileged System Service Operation - SeLoadDriverPrivilege
1 rule 2 TTPsThis 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.
Legitimate Application Dropped Script Detection
1 rule 2 TTPsThis 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.
Potentially Suspicious AccessMask Requested From LSASS
1 rule 1 TTPThis 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.
Detection of Malicious Remote Access Tools by Antivirus
1 rule 1 TTPThis 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.
Antivirus - Ransomware Signature Detection
1 rule 1 TTPThis 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.
Windows Defender Disabled Via SystemSettingsAdminFlows.EXE
1 rule 1 TTPThreat 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.
Suspicious Legitimate Application Dropping Executable
1 rule 3 TTPsThis 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.
Detection of Potential WinAPI Calls via PowerShell Scripts for Evasion
1 rule 3 TTPsThis 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.
Potentially Suspicious WDAC Policy File Creation
1 rule 1 TTPAttackers 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.
Suspicious PowerShell Start-Process with PassThru for Stealth Execution
1 rule 1 TTPThis 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.
Splunk RCE Through Arbitrary File Write to Windows System Root
2 rules 3 TTPs 2 CVEsA 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.
Windows DNS Query to Telegram Bot API Indicating Malware C2
1 rule 2 TTPs 1 IOCThis 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.
Suspicious Process DNS Queries to Discord
1 rule 1 TTP 2 IOCsThis 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.
WinSCP Credential Access by Information Stealers
1 rule 1 TTPInformation-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.
Unusual FileZilla XML Configuration File Access
1 rule 1 TTPThis 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.
Windows Process Injection With Public Source Path
1 rule 1 TTPThis 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.
Non-Discord Application Accessing Discord LevelDB
1 rule 2 TTPsThis 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.
Windows FTP from Non-Standard Process Path Detection
1 rule 2 TTPsThis 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.
Windows Credential Access from Browser Password Store Detection
1 rule 3 TTPsThis 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.
Windows Autostart Persistence via Startup Folder
1 rule 2 TTPsAdversaries 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.
Executable or Script Creation in Suspicious Windows Paths
1 rule 2 TTPsThis 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.
OpenClaw PowerShell Encoded-Command Alias Bypass Vulnerability
1 rule 2 TTPsA 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.
Algernon Server-Side Script Source Disclosure via NTFS Filename Manipulation (CVE-2026-52792)
1 rule 2 TTPsAlgernon, 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.
CVE-2016-20095: Matrix42 Remote Control Host Unquoted Service Path Privilege Escalation
2 rules 2 TTPs 1 CVEA 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.
CVE-2016-20089: Iperius Remote Unquoted Service Path Vulnerability
2 rules 1 TTP 4 IOCsAn 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.
Vim Denial of Service Vulnerability
2 rules 1 TTPA 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.
CVE-2026-25865: Punto Switcher Unquoted Search Path Vulnerability
2 rules 2 TTPsCVE-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.
Exploitation of CVE-2026-8024 in ibaPDA and ibaDatCoordinator via Deserialization of Untrusted Data
2 rules 2 TTPsA 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.
Vite Dev Server `server.fs.deny` Bypass on Windows (CVE-2026-53571)
2 rules 1 TTP 1 CVE 3 IOCsA 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.
CVE-2026-8863 UEFI Secure Boot Security Feature Bypass Vulnerability
2 rules 1 TTP 1 CVE 11 IOCsAn 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.
You do surprise me.exe: Unexpected Crypto-Miner in Hola Browser
3 rules 5 TTPs 4 IOCsSophos 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.
Global Stock Exchange Hit by Monthslong Email Campaign
3 rules 7 TTPsAn 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.
Multiple Vulnerabilities in Microsoft Office Products (June 2026)
3 rules 4 TTPs 5 CVEsCERT-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.
Vulnerability in Veeam Backup & Replication Allowing Remote Code Execution (CVE-2026-44963)
3 rules 2 TTPs 1 CVE 2 IOCsA 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.
Notepad++ Vulnerability Allows Code Execution
2 rules 1 TTPA remote, anonymous attacker can exploit a vulnerability in Notepad++ to execute arbitrary program code, potentially leading to system compromise.
Windows AD Domain Root ACL Deletion
2 rules 2 TTPsThe 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.
Windows SQL Server xp_cmdshell Configuration Change Detected
2 rules 1 TTPDetection 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 Critical Procedures Enabled Leading to Potential Code Execution or Reconnaissance
2 rules 2 TTPsModification 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.
Windows Cabinet File Extraction via Expand.exe
2 rules 2 TTPsDetection 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.
SLUI RunAs Elevated Privilege Escalation
2 rules 1 TTPDetection 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.
Windows AD CS ESC1 Certificate Authentication Abuse
2 rules 2 TTPsThis 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.
Windows Privilege Escalation via Suspicious Process Elevation
2 rules 3 TTPsThis 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.
Windows AD sIDHistory Attribute Modification Detection
2 rules 2 TTPsThis 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.
Windows AD Hidden Organizational Unit Creation
2 rules 2 TTPsThis 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.
Windows AD Domain Replication ACL Addition
2 rules 2 TTPsThis 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 User ACL Modification with Dangerous Permissions
2 rules 2 TTPsDetection 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.
Windows Post Exploitation Risk Behavior Detection
2 rules 8 TTPsThis 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.
Windows Registry Modification Risk Behavior Detection
2 rules 2 TTPsThis 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.
GPU Mining Malware Spreads via SEO Poisoning and AI Chatbots
3 rules 6 TTPs 1 IOCA 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.
Critical Deserialization Vulnerability in Apache ActiveMQ NMS AMQP Client (CVE-2025-54539)
2 rules 1 TTP 1 CVEA 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.
SocuSoft DVD Photo Slideshow Professional Stack-Based Buffer Overflow (CVE-2018-25373)
2 rules 4 TTPs 1 CVESocuSoft 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.
10-Strike Network Scanner 3.0 Buffer Overflow Leading to Remote Code Execution
2 rules 1 TTP 1 CVEA 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.
10-Strike Network Inventory Explorer Stack-Based Buffer Overflow (CVE-2018-25344)
2 rules 1 TTP 1 CVE10-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.
Ivanti Secure Access Client: Local Privilege Escalation Vulnerabilities
2 rules 1 TTPA local attacker can exploit vulnerabilities in Ivanti Secure Access Client to manipulate files or escalate privileges, potentially gaining elevated access to the system.
Rare Connection to WebDAV Target via Rundll32
2 rules 2 TTPsThis 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.
Lenovo LegionSpace 1.7.11.2 Unquoted Service Path Vulnerability
2 rules 1 TTPA 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.
CVE-2008-4250 - Windows Server Service Buffer Overflow Vulnerability
2 rules 1 TTP 1 CVECVE-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.
Microsoft Azure Portal Windows Admin Center Vulnerability Allows Privilege Escalation
2 rules 1 TTPA 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.
Multiple Vulnerabilities in Microsoft Defender and Malware Protection Engine
2 rules 3 TTPsMultiple 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.
Claude HUD Command Injection Vulnerability via COMSPEC Manipulation (CVE-2026-47092)
2 rules 1 TTP 1 CVEClaude 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.
Kite Unquoted Service Path Vulnerability (CVE-2020-37247)
2 rules 1 TTP 1 CVEKite 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.
Syncplify.me Server! Unquoted Service Path Vulnerability (CVE-2020-37230)
2 rules 1 TTP 1 CVESyncplify.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.
OKI sPSV Port Manager Unquoted Service Path Vulnerability (CVE-2020-37229)
2 rules 2 TTPs 1 CVEOKI 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.
Secret Blizzard Upgrades Kazuar Backdoor to Modular P2P Botnet
2 rules 4 TTPsThe 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.
LSASS Memory Dump Handle Access
2 rules 1 TTPDetection of handle requests to the LSASS process with specific access masks commonly used by tools to dump memory, indicating potential credential access attempts.
Suspicious Windows Process Cluster Detected from Parent Process
2 rules 2 TTPsA 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.
Host Detected with Suspicious Windows Process(es)
2 rules 2 TTPsA 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.
Unusual Process Spawned by a User Detected via Machine Learning
2 rules 2 TTPsA 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.
Unusual Process Spawned by a Parent Process via Machine Learning
2 rules 2 TTPsThis 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.
Unusual Process Spawned by a Host via Machine Learning
2 rules 1 TTPA 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.
Remote Sunrise Helper for Windows 2026.14 Remote Code Execution Vulnerability
2 rules 2 TTPsA 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 2026.14 - Unauthenticated File/Directory Listing
2 rules 1 TTPA 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.
Multiple Vulnerabilities in Microsoft Windows Products
2 rules 5 TTPsMultiple 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.
Multiple Vulnerabilities in Microsoft Developer Tools
3 rules 6 TTPsMultiple 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.
Multiple Vulnerabilities in Microsoft Azure and Windows Admin Center
2 rules 2 TTPsMultiple vulnerabilities in Microsoft Azure and Windows Admin Center allow an attacker to escalate privileges, spoof information, and bypass security measures.
LSASS Process Access via Windows API
2 rules 2 TTPsThis 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.
Windows Service Installed via an Unusual Client for Privilege Escalation
2 rules 1 TTPIdentifies 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.
Process Created with an Elevated Token via Token Theft
2 rules 1 TTPThis 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 via Rogue Named Pipe Impersonation
2 rules 1 TTPAn 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 Elevation via Parent Process PID Spoofing
2 rules 1 TTPThis 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.
UAC Bypass Attempt via Windows Directory Masquerading
2 rules 1 TTPDetects 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.
UAC Bypass via Event Viewer
2 rules 1 TTPDetects 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.
UAC Bypass via ICMLuaUtil Elevated COM Interface
2 rules 1 TTPDetects 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.
Potential Privileged Escalation via SamAccountName Spoofing (CVE-2021-42278)
2 rules 1 TTP 1 CVEThis 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.
Privilege Escalation via Rogue Windir Environment Variable
2 rules 1 TTPA 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.
Privilege Escalation via Named Pipe Impersonation
2 rules 1 TTPAdversaries 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.
Service Creation via Local Kerberos Authentication Leading to Privilege Escalation
3 rules 1 TTPThe 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.
Potential Privilege Escalation via InstallerFileTakeOver (CVE-2021-41379)
2 rules 1 TTP 1 CVEThis rule detects potential exploitation of the InstallerTakeOver vulnerability (CVE-2021-41379), where successful exploitation allows an unprivileged user to escalate privileges to SYSTEM.
Group Policy Abuse for Privilege Addition
2 rules 1 TTPDetects modifications to Group Policy Object Attributes that grant privileges to user accounts or add users as local administrators, indicating potential privilege escalation attempts.
Unusual dMSA Account Creation for Privilege Escalation
3 rules 1 TTPDetects 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.
Unusual Modification of Delegated Managed Service Account Attribute
3 rules 1 TTPDetection 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.
Persistence via WMI Standard Registry Provider
3 rules 1 TTPThe 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.
Intel Addresses Vulnerabilities in Multiple Software Products
3 rulesIntel 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.
CVE-2026-42896 - Windows DWM Core Library Integer Overflow Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-42896 describes an integer overflow vulnerability in the Windows DWM Core Library, allowing an authorized local attacker to elevate privileges.
CVE-2026-42825: Use-After-Free in Windows Telephony Service
2 rules 1 TTP 1 CVECVE-2026-42825 is a use-after-free vulnerability in the Windows Telephony Service that allows an authorized, local attacker to elevate privileges.
CVE-2026-41088: Windows Ancillary Function Driver for WinSock Local Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-41086: Windows Admin Center Privilege Escalation via Improper Access Control
2 rules 1 TTP 1 CVECVE-2026-41086 describes an improper access control vulnerability in Windows Admin Center, allowing an authorized attacker to elevate privileges over a network.
CVE-2026-40420 - Microsoft Office Click-To-Run Improper Access Control Vulnerability
2 rules 1 TTP 1 CVECVE-2026-40420 is an improper access control vulnerability in Microsoft Office Click-To-Run allowing an authorized attacker to elevate privileges locally.
CVE-2026-40418: Microsoft Office Click-To-Run Use-After-Free Vulnerability
2 rules 1 TTP 1 CVECVE-2026-40418 is a use-after-free vulnerability in Microsoft Office Click-To-Run that allows an authorized attacker to elevate privileges locally.
CVE-2026-40415 Use-After-Free Vulnerability in Windows TCP/IP
2 rules 1 TTP 1 CVECVE-2026-40415 is a use-after-free vulnerability in Windows TCP/IP that allows an unauthorized attacker to execute code over a network.
CVE-2026-40414: Windows TCP/IP Null Pointer Dereference Denial-of-Service
2 rules 3 TTPs 1 CVEA null pointer dereference vulnerability exists in Windows TCP/IP, allowing an unauthorized attacker on an adjacent network to cause a denial-of-service condition.
CVE-2026-40407 - Windows CLFS Driver Heap Overflow for Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-40406 - Windows TCP/IP Use-After-Free Information Disclosure
2 rules 1 TTP 1 CVECVE-2026-40406 is a use-after-free vulnerability in Windows TCP/IP that allows an unauthorized attacker to disclose sensitive information over a network.
CVE-2026-40405 - Windows TCP/IP Null Pointer Dereference DoS
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-40403 Heap-based Buffer Overflow in Windows Win32K - GRFX
2 rules 2 TTPsCVE-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.
CVE-2026-40401 - Windows TCP/IP Null Pointer Dereference Denial of Service
2 rules 1 TTP 1 CVECVE-2026-40401 is a null pointer dereference vulnerability in Windows TCP/IP that allows a local, unauthorized attacker to cause a denial of service.
CVE-2026-40399 - Windows TCP/IP Stack-Based Buffer Overflow Local Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-40399 is a stack-based buffer overflow vulnerability in the Windows TCP/IP stack, allowing an authenticated local attacker to elevate privileges.
CVE-2026-40397: Windows CLFS Driver Integer Underflow Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-40382 - Windows Telephony Service Use-After-Free Elevation of Privilege
2 rules 1 TTP 1 CVECVE-2026-40382 is a use-after-free vulnerability in the Windows Telephony Service that allows an authorized attacker to elevate privileges locally.
CVE-2026-40377 - Windows Cryptographic Services Heap-Based Buffer Overflow Vulnerability
2 rules 1 TTP 1 CVECVE-2026-40377 is a heap-based buffer overflow vulnerability in Windows Cryptographic Services, allowing an authorized local attacker to elevate privileges.
TelemetryController Scheduled Task Hijack for Persistence
2 rules 1 TTPThe 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.
Persistence via Hidden Run Key Detected
2 rules 1 TTPThis rule detects a persistence mechanism that utilizes the NtSetValueKey native API to create a hidden (null terminated) registry key, evading detection from system utilities.
KRBTGT Delegation Backdoor via msDS-AllowedToDelegateTo Modification
2 rules 1 TTPAttackers can modify the msDS-AllowedToDelegateTo attribute to KRBTGT, enabling persistent domain access by requesting Kerberos tickets for the KRBTGT service.
Persistence via Microsoft Office Add-Ins File Creation
2 rules 1 TTPThis 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.
Creation of a Hidden Local User Account
2 rules 1 TTPDetects 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.
CVE-2026-40362: Microsoft Excel Heap-based Buffer Overflow Vulnerability
2 rules 1 TTP 1 CVEA 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.
CVE-2026-35424: Windows IKE Protocol Memory Leak Denial-of-Service
1 rule 1 CVECVE-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.
CVE-2026-35421 Heap-Based Buffer Overflow in Windows GDI
2 rules 2 TTPs 1 CVECVE-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.
CVE-2026-35420 - Windows Kernel Heap-Based Buffer Overflow Local Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-35420 is a heap-based buffer overflow vulnerability in the Windows Kernel that allows an authorized local attacker to elevate privileges.
CVE-2026-35418 - Windows Cloud Files Mini Filter Driver Use-After-Free Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-35417: Windows Win32K - ICOMP Type Confusion Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-35417 is a type confusion vulnerability in Windows Win32K - ICOMP that allows an authorized attacker to elevate privileges locally.
CVE-2026-35416 - Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability
2 rules 1 TTP 1 CVECVE-2026-35416 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock, enabling a locally authorized attacker to escalate privileges.
CVE-2026-35415: Windows Storage Spaces Controller Integer Overflow Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-35415 is an integer overflow vulnerability in the Windows Storage Spaces Controller that allows a locally authorized attacker to elevate privileges.
CVE-2026-34351: Windows TCP/IP Race Condition Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-34351 is a race condition vulnerability in Windows TCP/IP that allows an authorized attacker to elevate privileges locally.
CVE-2026-34347 Use-After-Free Vulnerability in Windows Win32K - GRFX
2 rules 1 TTP 1 CVECVE-2026-34347 is a use-after-free vulnerability in Windows Win32K - GRFX that allows an authorized local attacker to elevate privileges.
CVE-2026-34345 - Windows Ancillary Function Driver for WinSock Race Condition Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-34345 describes a race condition vulnerability in Windows Ancillary Function Driver for WinSock, allowing an authorized attacker to elevate privileges locally.
CVE-2026-34344 - Windows Ancillary Function Driver for WinSock Type Confusion Vulnerability
2 rules 1 TTP 1 CVECVE-2026-34344 is a type confusion vulnerability in the Windows Ancillary Function Driver for WinSock, allowing an authorized local attacker to elevate privileges.
CVE-2026-34343 - Windows AppID Subsystem Heap Overflow Privilege Escalation
2 rules 2 TTPs 1 CVECVE-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.
CVE-2026-34342 - Windows Print Spooler Components Privilege Escalation via Race Condition
2 rules 1 TTP 1 CVECVE-2026-34342 is a race condition vulnerability in Windows Print Spooler Components that allows an authorized attacker to elevate privileges locally.
CVE-2026-34341: Windows LLDP Double Free Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-34340 - Windows Projected File System Use-After-Free Elevation of Privilege Vulnerability
2 rules 1 TTP 1 CVECVE-2026-34340 is a use-after-free vulnerability in the Windows Projected File System that allows an authorized attacker to elevate privileges locally.
CVE-2026-34336 - Windows DWM Core Library Buffer Over-Read Information Disclosure
2 rules 2 TTPs 1 CVECVE-2026-34336 is a buffer over-read vulnerability in the Windows DWM Core Library, allowing a local, authenticated attacker to disclose sensitive information.
CVE-2026-34333 - Use-After-Free in Windows Win32K GRFX Allows Local Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-34333 is a use-after-free vulnerability in the Windows Win32K - GRFX component that allows a locally authorized attacker to elevate privileges.
CVE-2026-34331: Windows Win32K - GRFX Race Condition Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-34330 - Windows Win32K GRFX Integer Overflow Local Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-34330 is an integer overflow vulnerability in Windows Win32K - GRFX that allows a locally authenticated attacker to escalate privileges.
CVE-2026-33841 Heap-Based Buffer Overflow in Windows Kernel Allows Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-33841 is a heap-based buffer overflow vulnerability in the Windows Kernel that allows a locally authorized attacker to elevate privileges.
CVE-2026-33840 Use-After-Free in Windows Win32K ICOMP for Local Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-33840 is a use-after-free vulnerability in the Windows Win32K ICOMP component, allowing a locally authenticated attacker to elevate privileges.
CVE-2026-33839 - Windows Win32K GRFX Race Condition Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-33839 is a race condition vulnerability in Windows Win32K - GRFX that allows an authorized local attacker to elevate privileges.
CVE-2026-33838: Windows Message Queuing Double Free Vulnerability
2 rules 1 TTP 1 CVECVE-2026-33838 is a double free vulnerability in Windows Message Queuing that allows a locally authorized attacker to elevate privileges.
CVE-2026-33837 - Windows TCP/IP Heap-Based Buffer Overflow for Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-33837 is a heap-based buffer overflow vulnerability in the Windows TCP/IP stack that allows an authenticated local attacker to elevate privileges.
CVE-2026-33835 - Windows Cloud Files Mini Filter Driver Use-After-Free Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-33835 is a use-after-free vulnerability in the Windows Cloud Files Mini Filter Driver, allowing a local attacker to elevate privileges.
CVE-2026-33834 - Windows Event Logging Service Improper Access Control Vulnerability
2 rules 1 TTP 1 CVECVE-2026-33834 is an improper access control vulnerability in the Windows Event Logging Service, allowing a locally authenticated attacker to escalate privileges.
CVE-2026-32161 - Windows Native WiFi Miniport Driver Race Condition Vulnerability
2 rules 1 TTP 1 CVECVE-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.
Lateral Movement via Remote Startup Folder Modification
2 rules 3 TTPsAdversaries 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.
Potential SharpRDP Behavior
2 rules 3 TTPsThis 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.
Execution via TSClient Mountpoint
2 rules 2 TTPsThe rule detects execution of processes from the Remote Desktop Protocol (RDP) shared mountpoint tsclient on Windows hosts, which may indicate a lateral movement attempt.
Potential Remote Desktop Shadowing Activity
3 rules 1 TTPThis 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.
Incoming DCOM Lateral Movement with MMC
2 rules 1 TTPDetection of Distributed Component Object Model (DCOM) abuse to execute commands remotely via the MMC20 Application COM object, potentially indicating lateral movement.
Incoming DCOM Lateral Movement via MSHTA
2 rules 1 TTPDetection of Distributed Component Object Model (DCOM) abuse to execute commands from a remote host via the HTA Application COM Object, potentially indicating lateral movement.
Suspicious Kerberos Authentication Ticket Request
2 rules 2 TTPsThis 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.
Suspicious Processes Spawned by Microsoft Exchange Worker Process
2 rules 2 TTPsDetects suspicious processes spawned by the Microsoft Exchange Server worker process (w3wp.exe), potentially indicating exploitation or web shell activity.
Volume Shadow Copy Deletion via WMIC
3 rules 2 TTPsThe 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.
Volume Shadow Copy Deletion via PowerShell
2 rules 1 TTPDetects the use of PowerShell to delete volume shadow copies, a tactic commonly employed by ransomware and other destructive attacks to hinder data recovery efforts.
Potential Ransomware Note File Dropped via SMB
2 rules 4 TTPsThe rule identifies the creation of files resembling ransomware notes via SMB, potentially indicating a remote ransomware attack on Windows systems.
Suspicious File Renamed via SMB
2 rules 4 TTPsDetection of a suspicious file rename operation following an incoming SMB connection, potentially indicating a remote ransomware attack via the SMB protocol, targeting Windows hosts.
Potential System Tampering via File Modification
2 rules 1 TTPDetection of attempts to delete or modify critical Windows boot files indicating a potential destructive attack to prevent system startup.
Multiple Vulnerabilities in 7-Zip Allow File Manipulation and Information Disclosure
2 rules 2 TTPsAn anonymous remote attacker can exploit multiple vulnerabilities in 7-Zip to manipulate files or disclose sensitive information on Windows systems.
GhostLock Tool Abuses Windows API to Block File Access
2 rules 1 TTPGhostLock 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.
Podman HyperV Machine Vulnerability Allows Arbitrary Code Execution with Administrator Privileges
2 rules 1 TTPA local attacker can exploit a vulnerability in Podman HyperV Machine to execute arbitrary program code with administrator privileges, leading to complete system compromise.
JDownloader Website Compromised to Serve Malicious Installers
2 rules 3 TTPsJDownloader'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.
Argus Surveillance DVR Unquoted Service Path Vulnerability (CVE-2021-47945)
2 rules 1 TTP 1 CVEArgus 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.
Malicious Hugging Face Repository Distributes Information Stealer
2 rules 21 TTPs 1 IOCA 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.
Avast Antivirus Privilege Escalation Vulnerability
2 rules 1 TTPA local attacker can exploit a vulnerability in Avast Antivirus and AVG Technologies Anti-Virus to escalate privileges on a Windows system.
WatchGuard Agent on Windows Multiple Vulnerabilities
2 rules 2 TTPs 5 CVEsWatchGuard 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.
ScarCruft Compromises Gaming Platform in Supply-Chain Attack
2 rules 4 TTPs 4 IOCsThe 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.
Potential File Transfer via Curl for Windows
2 rules 3 TTPsAdversaries may abuse Curl for Windows to download files or upload data to a remote URL for command and control or exfiltration purposes.
Windows Port Forwarding Rule Addition via Registry Modification
2 rules 3 TTPsAn adversary may abuse port forwarding to bypass network segmentation restrictions by creating a new port forwarding rule through modification of the Windows registry.
Suspicious Zoom Child Process Execution
2 rules 6 TTPsA 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.
Suspicious Execution via Windows Command Debugging Utility
2 rules 2 TTPsAdversaries can abuse the Windows command line debugging utility cdb.exe to execute commands or shellcode from non-standard paths, evading traditional security measures.
SIP Provider Modification for Defense Evasion
2 rules 1 TTPThis 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.
Service DACL Modification via sc.exe
2 rules 2 TTPsDetection 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.
Remote Desktop File Opened from Suspicious Path
2 rules 2 TTPsAdversaries may abuse RDP files delivered via phishing from suspicious locations to gain unauthorized access to systems.
Potential WSUS Abuse for Lateral Movement via PsExec
2 rules 2 TTPsAdversaries 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.
Potential WPAD Spoofing via DNS Record Creation
2 rules 1 TTPDetection 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.
Potential Secure File Deletion via SDelete Utility
2 rules 2 TTPsThis 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.
Potential Remote File Execution via MSIEXEC
2 rules 3 TTPsThe 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.
Potential Pass-the-Hash (PtH) Attempt Detection
2 rules 1 TTPThis 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.
Potential NetNTLMv1 Downgrade Attack via Registry Modification
2 rules 2 TTPsThis 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.
Potential DLL Side-Loading via Trusted Microsoft Programs
2 rules 2 TTPsThis 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.
Potential Computer Account NTLM Relay Activity
2 rules 2 TTPsDetection 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.
Potential Account Takeover - Logon from New Source IP
2 rules 1 TTPThe 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.
Enumerating Domain Trusts via DSQUERY.EXE
2 rules 2 TTPsAdversaries may use the `dsquery.exe` command-line utility to enumerate trust relationships for lateral movement in Windows multi-domain environments.
Code Signing Policy Modification Through Built-in Tools
2 rules 1 TTPAttackers 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.
Norton Secure VPN Privilege Escalation Vulnerability (CVE-2025-58074)
2 rules 1 TTP 1 CVEA 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.
Potential Kerberos SPN Spoofing via Suspicious DNS Query
2 rules 1 TTPDetects 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.
Unpatched Microsoft Windows RPC Vulnerability Allows Privilege Escalation
2 rules 1 TTPA local attacker can exploit an unpatched vulnerability in Microsoft Windows RPC to escalate privileges.
Alloksoft Video Joiner Buffer Overflow Vulnerability (CVE-2018-25315)
2 rules 1 TTP 1 CVEAlloksoft 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.
PhantomRPC: Windows RPC Privilege Escalation Vulnerability
2 rules 1 TTPA 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.
CVE-2026-32223 Windows USB Printing Stack Elevation of Privilege Vulnerability
2 rules 1 TTP 1 CVECVE-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.
Multiple Vulnerabilities in Microsoft Developer Tools
2 rules 4 TTPsMultiple 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.
Suspicious RDP File Execution
2 rules 2 TTPsThis rule identifies attempts to open a remote desktop file from suspicious paths, indicative of adversaries abusing RDP files for initial access via phishing.
Google Chrome Sandbox Escape via Uninitialized Use in Accessibility (CVE-2026-6311)
2 rules 1 TTP 1 CVEA 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.
Dragon Boss Solutions Adware Disabling Antivirus Protections
2 rules 2 TTPs 2 IOCsDigitally 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.
Microsoft April 2026 Patch Tuesday Addresses 163 Vulnerabilities
2 rules 4 TTPs 6 CVEsMicrosoft'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.
Simopro WinMatrix Agent Missing Authentication Vulnerability (CVE-2026-6348)
2 rules 2 TTPs 1 CVEThe 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.
Barracuda RMM Privilege Escalation via Filesystem ACLs
2 rules 1 TTP 1 CVEBarracuda 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.
Git for Windows NTLM Hash Leak Vulnerability (CVE-2026-32631)
2 rules 1 TTP 1 CVEGit 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.
Windows WinSock Use-After-Free Privilege Escalation (CVE-2026-26177)
2 rules 1 TTP 1 CVECVE-2026-26177 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock, allowing a local attacker to elevate privileges.
Windows WinSock Race Condition Privilege Escalation (CVE-2026-26173)
2 rules 1 TTP 1 CVECVE-2026-26173 is a race condition vulnerability in the Windows Ancillary Function Driver for WinSock that allows a local attacker to elevate privileges.
Windows Win32K GRFX Privilege Escalation via Race Condition (CVE-2026-33104)
2 rules 1 TTP 1 CVECVE-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.
Windows WalletService Use-After-Free Privilege Escalation (CVE-2026-32080)
2 rules 1 TTP 1 CVECVE-2026-32080 is a use-after-free vulnerability in the Windows WalletService, allowing a locally authorized attacker to elevate privileges.
Windows User Interface Core Race Condition Privilege Escalation (CVE-2026-27911)
2 rules 1 TTP 1 CVECVE-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.
Windows TCP/IP Race Condition Vulnerability (CVE-2026-33827)
2 rules 2 TTPs 1 CVECVE-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.
Windows Storage Spaces Controller Out-of-Bounds Read Privilege Escalation (CVE-2026-32076)
2 rules 1 TTP 1 CVECVE-2026-32076 is an out-of-bounds read vulnerability in the Windows Storage Spaces Controller that allows an authorized local attacker to elevate privileges.
Windows SSDP Service Race Condition Privilege Escalation (CVE-2026-32068)
2 rules 1 TTP 1 CVECVE-2026-32068 is a race condition vulnerability in the Windows SSDP Service that allows an authorized attacker to elevate privileges locally.
Windows Remote Desktop Spoofing Vulnerability (CVE-2026-26151)
2 rules 2 TTPs 1 CVECVE-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.
Windows Push Notifications Race Condition Privilege Escalation (CVE-2026-32160)
2 rules 1 TTP 1 CVECVE-2026-32160 describes a race condition vulnerability in Windows Push Notifications that allows a locally authorized attacker to elevate privileges.
Windows Push Notifications Race Condition Privilege Escalation (CVE-2026-32158)
2 rules 1 TTP 1 CVECVE-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.
Windows Push Notifications Race Condition Privilege Escalation (CVE-2026-26172)
2 rules 1 TTP 1 CVECVE-2026-26172 is a race condition vulnerability in Windows Push Notifications, allowing a locally authenticated attacker to elevate privileges.
Windows Projected File System Race Condition Privilege Escalation (CVE-2026-27927)
2 rules 1 TTP 1 CVECVE-2026-27927 is a race condition vulnerability in the Windows Projected File System that allows an authorized attacker to escalate privileges locally.
Windows LUAFV TOCTOU Vulnerability Allows Local Privilege Escalation (CVE-2026-27929)
2 rules 1 TTP 1 CVECVE-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.
Windows Kerberos Improper Authorization Privilege Escalation (CVE-2026-27912)
2 rules 1 TTP 1 CVECVE-2026-27912 describes an improper authorization vulnerability in Windows Kerberos, enabling an attacker on an adjacent network with valid credentials to elevate privileges.
Windows Hyper-V Improper Input Validation Vulnerability (CVE-2026-32149)
2 rules 2 TTPs 1 CVECVE-2026-32149 is a vulnerability in Windows Hyper-V due to improper input validation, which allows an authorized, local attacker to execute arbitrary code.
Windows BitLocker Security Feature Bypass Vulnerability (CVE-2026-27913)
2 rules 1 TTP 1 CVECVE-2026-27913 describes an improper input validation vulnerability in Windows BitLocker that allows a local attacker to bypass security features.
Microsoft PowerShell Improper Input Validation Vulnerability (CVE-2026-26143)
2 rules 1 TTP 1 CVEAn improper input validation vulnerability (CVE-2026-26143) in Microsoft PowerShell allows an unauthorized local attacker to bypass security features.
Microsoft Management Console Improper Access Control Vulnerability (CVE-2026-27914)
2 rules 1 TTP 1 CVECVE-2026-27914 is an improper access control vulnerability in Microsoft Management Console that allows a locally authorized attacker to elevate privileges.
CVE-2026-33824: Windows IKE Extension Double Free Vulnerability
2 rules 3 TTPs 1 CVEA 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-2026-33101 Use-After-Free Vulnerability in Windows Print Spooler
2 rules 1 TTP 1 CVECVE-2026-33101 is a use-after-free vulnerability in the Windows Print Spooler Components that allows an authenticated local attacker to elevate privileges.
CVE-2026-33099: Windows WinSock Use-After-Free Privilege Escalation
2 rules 1 TTP 1 CVEA 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-2026-33098 Use-After-Free in Windows Container Isolation FS Filter Driver
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-33096 HTTP.sys Out-of-Bounds Read Denial-of-Service
2 rules 2 TTPs 1 CVEAn 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-2026-32195 Windows Kernel Stack-Based Buffer Overflow Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-32195 is a stack-based buffer overflow vulnerability in the Windows Kernel that allows an authorized attacker to elevate privileges locally.
CVE-2026-32164 Windows User Interface Core Race Condition Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-32164 is a race condition vulnerability in Windows User Interface Core that allows a locally authorized attacker to elevate privileges.
CVE-2026-32155: Desktop Window Manager Use-After-Free Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-32153 Windows Speech Use-After-Free Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-32153 is a use-after-free vulnerability in Microsoft Windows Speech that allows a locally authorized attacker to elevate privileges.
CVE-2026-32078: Windows Projected File System Use-After-Free Elevation of Privilege
2 rules 1 TTP 1 CVEA use-after-free vulnerability, CVE-2026-32078, exists in the Windows Projected File System, allowing a locally authenticated attacker to escalate privileges.
CVE-2026-32071: Windows LSASS Null Pointer Dereference DoS
2 rules 1 TTP 1 CVECVE-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-2026-27926 Windows Cloud Files Mini Filter Driver Privilege Escalation
3 rules 1 TTP 1 CVECVE-2026-27926 is a race condition vulnerability in the Windows Cloud Files Mini Filter Driver that allows a local attacker to elevate privileges.
CVE-2026-27917: Windows WFP NDIS Lightweight Filter Driver Use-After-Free Vulnerability
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-27916 Use-After-Free in Windows UPnP Device Host
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-27910: Windows Installer Local Privilege Escalation
2 rules 1 TTP 1 CVE 1 IOCCVE-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.
CVE-2026-27909 Use-After-Free in Windows Search Component Allows Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-27909 is a use-after-free vulnerability in the Microsoft Windows Search Component that allows a locally authorized attacker to escalate privileges.
CVE-2026-27908 Use-After-Free in Windows TDI Translation Driver
2 rules 1 TTP 1 CVEA 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-2026-26182: Windows WinSock Use-After-Free Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-26182 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock, allowing a locally authorized attacker to elevate privileges.
CVE-2026-26181 - Microsoft Brokering File System Use-After-Free Vulnerability
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-26179 Windows Kernel Double Free Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-26179 is a double free vulnerability in the Windows Kernel, allowing a locally authenticated attacker to elevate privileges on the system.
CVE-2026-26163: Windows Kernel Double Free Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-26153: Windows EFS Out-of-Bounds Read Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-26152: Windows Cryptographic Services Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-26152 is an insecure storage of sensitive information vulnerability in Windows Cryptographic Services that allows a local, authorized attacker to elevate privileges.
CVE-2026-32183: Windows Snipping Tool Command Injection Vulnerability
2 rules 2 TTPs 1 CVECVE-2026-32183 is a command injection vulnerability in the Windows Snipping Tool that allows a local attacker to execute arbitrary code.
Windows Win32K Untrusted Pointer Dereference Vulnerability (CVE-2026-32222)
2 rules 1 TTP 1 CVECVE-2026-32222 is an untrusted pointer dereference vulnerability in the Windows Win32K ICOMP component, allowing a local attacker to escalate privileges.
CVE-2026-32156 Use-After-Free Vulnerability in Windows UPnP Device Host
2 rules 2 TTPs 1 CVECVE-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.
CVE-2026-26183 Windows RPC API Local Privilege Escalation
2 rules 1 TTP 1 CVECVE-2026-26183 allows a locally authenticated attacker to escalate privileges due to improper access control within the Windows RPC API.
Windows Server Update Service (WSUS) Privilege Escalation via CVE-2026-26174
2 rules 1 TTP 1 CVECVE-2026-26174 is a race condition vulnerability in Windows Server Update Service that allows an authorized attacker to elevate privileges locally.
CVE-2026-33100: Windows WinSock Use-After-Free Privilege Escalation
2 rules 1 TTP 1 CVECVE-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-2026-32224 Use-After-Free in Windows Server Update Service
2 rules 1 TTP 1 CVECVE-2026-32224 is a use-after-free vulnerability in the Windows Server Update Service that allows a locally authenticated attacker to elevate privileges.
Microsoft Brokering File System Double Free Privilege Escalation (CVE-2026-32219)
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-32165 Use-After-Free in Windows User Interface Core
2 rules 1 TTP 1 CVECVE-2026-32165 is a use-after-free vulnerability in Windows User Interface Core that allows a locally authenticated attacker to elevate privileges.
Windows COM Privilege Escalation via CVE-2026-32162
2 rules 1 TTP 1 CVE 1 IOCCVE-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.
Windows Push Notifications Race Condition Privilege Escalation (CVE-2026-32159)
2 rules 1 TTP 1 CVECVE-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.
Microsoft Brokering File System Race Condition Vulnerability (CVE-2026-32091)
2 rules 1 TTP 1 CVECVE-2026-32091 is a race condition vulnerability in the Microsoft Brokering File System, allowing an unauthenticated local attacker to escalate privileges.
CVE-2026-32087 Function Discovery Service Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-32070: Windows CLFS Driver Use-After-Free Privilege Escalation
2 rules 1 TTP 1 CVEA 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.
Windows UPnP Device Host Untrusted Pointer Dereference Vulnerability (CVE-2026-27920)
2 rules 1 TTP 1 CVECVE-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 Shell Race Condition Vulnerability (CVE-2026-27918)
2 rules 1 TTP 1 CVECVE-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.
Windows Projected File System Buffer Over-Read Privilege Escalation (CVE-2026-26184)
2 rules 1 TTP 1 CVECVE-2026-26184 is a buffer over-read vulnerability in the Windows Projected File System (ProjFS) that allows a local attacker to elevate privileges.
Windows WARP Integer Truncation Privilege Escalation (CVE-2026-26178)
2 rules 1 TTP 1 CVECVE-2026-26178 is an integer size truncation vulnerability in the Windows Advanced Rasterization Platform (WARP) that allows an unauthorized attacker to elevate privileges locally.
CVE-2026-26176 Windows CSC Driver Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
Windows Remote Desktop Licensing Service Privilege Escalation via CVE-2026-26159
2 rules 1 TTP 1 CVECVE-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).
Easy Video to iPod Converter 1.6.20 Local Buffer Overflow Vulnerability
2 rules 2 TTPs 1 CVEEasy 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.
RGui 3.5.0 Local Buffer Overflow Vulnerability
2 rules 2 TTPs 1 CVERGui 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.
Unauthenticated Denial-of-Service and Information Disclosure in Podman Desktop
2 rules 4 TTPs 1 CVEPodman 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.
libssh Insecure Configuration Allows Local MITM Attacks (CVE-2025-14821)
2 rules 2 TTPs 1 CVECVE-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.
Remote Code Execution Vulnerability in JP1/IT Desktop Management Products (CVE-2025-65115)
2 rules 1 TTP 1 CVECVE-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.
Potential File Download via a Headless Browser
2 rules 1 TTPDetects 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.
River Past Video Cleaner 7.6.3 SEH Buffer Overflow Vulnerability
2 rules 2 TTPs 1 CVERiver 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.
R i386 3.5.0 Local Buffer Overflow Vulnerability (CVE-2019-25656)
2 rules 2 TTPs 1 CVE 1 IOCR 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.
AIRBUS PSS TETRA Connectivity Server Privilege Escalation via Incorrect Permissions
2 rules 1 TTP 1 CVEAIRBUS 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.
Electron Use-After-Free Vulnerability in PowerMonitor Module
2 rules 1 TTPA 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.
DeepLoad Malware Distributed via ClickFix
2 rules 3 TTPsThe DeepLoad malware steals credentials, installs malicious browser extensions, spreads via USB drives, and is being distributed via ClickFix campaigns using PowerShell loaders.
Qilin Ransomware EDR Killer Infection Chain
2 rules 3 TTPs 1 IOCQilin 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.
HCL BigFix Platform Insecure Permissions Vulnerability (CVE-2026-21765)
2 rules 2 TTPs 1 CVEHCL 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.
Lakeside SysTrack Agent Local Privilege Escalation via Race Condition (CVE-2026-35099)
2 rules 1 TTP 1 CVELakeside 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.
7-Zip Multiple Vulnerabilities Allow Remote Code Execution
2 rules 1 TTPMultiple vulnerabilities in 7-Zip allow an attacker to execute arbitrary program code with the privileges of the service, potentially leading to system compromise.
vcpkg OpenSSL Windows Build Path Vulnerability (CVE-2026-34054)
2 rules 2 TTPs 1 CVEA 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.
Symantec DLP Windows Endpoint Elevation of Privilege Vulnerability (CVE-2026-3991)
2 rules 1 TTPCVE-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.
X-NetStat Pro 5.63 Local Buffer Overflow Vulnerability
2 rules 1 TTPX-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.
AIDA64 Business SEH Buffer Overflow Vulnerability (CVE-2019-25631)
2 rules 3 TTPsAIDA64 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.
FlexHEX 2.71 Local Buffer Overflow Vulnerability (CVE-2019-25627)
2 rules 2 TTPsFlexHEX 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.
Lucky Pasta Shellcode Loader for Windows
2 rules 3 TTPs 2 IOCsA 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.
JetAudio jetCast Server 2.0 Stack-Based Buffer Overflow
2 rules 2 TTPs 1 IOCJetAudio 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.
DNS Queries to RMM Domains from Non-Browser Processes
2 rules 74 IOCsDetection 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.
Lavavo CD Ripper 4.20 SEH Buffer Overflow Vulnerability
2 rules 1 TTPLavavo 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.
Admin Express 1.2.5.485 Local SEH Buffer Overflow Vulnerability
2 rules 2 TTPsAdmin 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.
RegPwnBOF Registry Symlink Race Condition Exploit
2 rules 2 TTPsRegPwnBOF 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.
EmEditor Supply Chain Compromise Delivering Infostealer
2 rules 1 TTPA 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.
NetNTLM Hash Phishing via Archive Extraction (CVE-2025-59284)
2 rules 1 TTPA 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 Guard Bypass and Detection Strategies
2 rules 2 TTPs 1 IOCThis brief covers offensive techniques to bypass Credential Guard, a Windows security feature designed to protect credentials, and provides detection strategies for these bypass attempts.
Stealthy WMI Lateral Movement via StealthyWMIExec.py
2 rules 1 TTPThe StealthyWMIExec.py script facilitates lateral movement via WMI, potentially evading standard detection mechanisms by employing stealthy techniques.
GlassWorm Campaign Deploying Wave 3 Windows Payload
2 rules 2 TTPsThe GlassWorm campaign has been observed deploying a Wave 3 Windows payload, indicating ongoing malicious activity targeting Windows systems.
Malware Spreading Through Fake 'Claude Code' Google Ads
2 rules 1 TTPMalware is distributed via malicious advertisements on Google impersonating 'Claude Code', targeting both Windows and macOS operating systems with the goal of infecting users.
RegPwn Windows Local Privilege Escalation Vulnerability
2 rules 1 TTPRegPwn is a now-fixed local privilege escalation vulnerability in Windows that allowed an attacker to gain elevated privileges.
Potential Web Shell ASPX File Creation
2 rules 1 TTPThe creation of ASPX files in web server directories, excluding legitimate processes, indicates potential web shell deployment for persistence on Windows systems.
Outlook Home Page Registry Modification for Command and Control or Persistence
2 rules 2 TTPsAttackers 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.
Windows SIP Provider Modification for Defense Evasion
1 rule 1 TTPThis 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.
VScode Remote Tunnel Abuse for Command and Control
2 rules 1 TTPAdversaries 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.
Command and Scripting Interpreter via Windows Scripts
2 rules 1 TTPThis 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.
Active Directory Group Modification by SYSTEM Account
2 rules 2 TTPsDetection 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.
WDAC Policy File Creation by Unusual Process
2 rules 1 TTPAdversaries 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.
Potential Web Shell ASPX File Creation
2 rules 1 TTPThis 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.
Microsoft Management Console File Execution from Unusual Path
2 rules 5 TTPsThis 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.
Local SxS Shared Module DLL Hijacking
2 rules 2 TTPsAdversaries 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 Hosts Querying Abused Web Services
2 rules 1 TTP 33 IOCsSuspicious 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.
Foxmail Client Exploitation Leading to Initial Access
2 rules 3 TTPsThe rule detects potential exploitation of the Foxmail email client on Windows systems, where successful exploitation allows for initial access and execution of arbitrary code.
MsiExec Child Process Spawning Network Connections for Defense Evasion
2 rules 1 TTPDetection of MsiExec spawning child processes that initiate network connections, potentially indicating abuse of Windows Installers for malware delivery and defense evasion.
Detection of Suspicious VScode Remote Tunnel Usage
2 rules 1 TTPThis 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.
Suspicious Windows Command Shell Arguments
2 rules 5 TTPsThis 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.
Persistence via Windows Installer (Msiexec)
3 rules 3 TTPsAdversaries 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.
Service DACL Modification via sc.exe
2 rules 2 TTPsAdversaries 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.
Suspicious Execution via Windows Command Debugging Utility (cdb.exe)
2 rules 2 TTPsAdversaries 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.
Potential WSUS Abuse for Lateral Movement via PsExec
2 rules 2 TTPsThis rule detects potential abuse of Windows Server Update Services (WSUS) for lateral movement by identifying suspicious processes, specifically PsExec, initiated by WSUS (wuauclt.exe).
Suspicious Process Accessing Windows Recall Directory
2 rules 2 TTPsThis 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.
Unusual Execution via Microsoft Common Console File
2 rules 4 TTPsAdversaries 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.
Unsigned DLL Loaded by DNS Service
2 rules 3 TTPsThe 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.
Potential Veeam Credential Access via SQL Commands
2 rules 5 TTPsAttackers 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.
NTDS Dump via Wbadmin
2 rules 2 TTPsAttackers with Backup Operator privileges may abuse wbadmin.exe to access the NTDS.dit file, enabling credential dumping and domain compromise.
Microsoft Management Console File Execution from Unusual Path
2 rules 4 TTPsAdversaries may use Microsoft Management Console (MMC) files from untrusted paths to bypass security controls for initial access and execution on Windows systems.
DNS Global Query Block List Modified or Disabled
2 rules 3 TTPsAttackers 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.
Suspicious Registry Hive Access via RegBack
2 rules 1 TTPThis 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.
Suspicious DNS-Named Record Creation in Active Directory Integrated DNS
2 rules 1 TTPDetection 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.
Unusual Execution via Microsoft Common Console File
2 rules 2 TTPsAdversaries 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.
Windows Parent Process PID Spoofing Detection
3 rules 1 TTPAdversaries 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.
Windows HTTP.sys Local Privilege Escalation Vulnerability (CVE-2026-21250)
2 rules 1 TTP 1 CVEA 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.
Enumerating Domain Trusts via DSQUERY.EXE
2 rules 2 TTPsAdversaries may use dsquery.exe to enumerate domain trusts, which can be leveraged for lateral movement in Windows multi-domain environments.
Potential ADIDNS Poisoning via Wildcard Record Creation
2 rules 1 TTPAttackers can create wildcard records in Active Directory Integrated DNS (ADIDNS) to redirect traffic, enabling adversary-in-the-middle attacks for credential interception or relay.
Microsoft Defender Tampering via Registry Modification
3 rules 2 TTPsAdversaries may disable or tamper with Microsoft Defender features to evade detection and conceal malicious behavior by modifying specific registry keys and values.
Suspicious Execution from INetCache Folder
2 rules 3 TTPs 1 CVEThe 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.
Suspicious Execution of Windows Scripts from WebDAV Share
2 rules 5 TTPsAdversaries 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.
Remote File Copy to a Hidden Share
2 rules 3 TTPsDetects 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.
Suspicious Child Processes from Communication Applications
3 rules 3 TTPsThe detection rule identifies suspicious child processes spawned from communication applications on Windows systems, potentially indicating masquerading or exploitation of vulnerabilities within these applications.
Potential DMSA Abuse for Privilege Escalation
2 rules 1 TTPDetection of potential abuse of Default Message Security Agent (DMSA) for privilege escalation on Windows systems, based on registry modifications.
Potential Account Takeover via Mixed Logon Types
2 rules 1 TTPAtypical 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.
Persistence via Malicious Microsoft Office Add-ins
2 rules 1 TTPAttackers can establish persistence by placing malicious add-ins (e.g., .xll, .xlam) in Microsoft Office startup directories, ensuring execution each time the application launches.
Suspicious Svchost.exe Spawning Cmd.exe
2 rules 2 TTPsDetects suspicious activity where svchost.exe spawns cmd.exe, potentially indicating malware masquerading or privilege escalation on Windows systems.
Potential Enumeration via Active Directory Web Service
2 rules 3 TTPsAdversaries 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.
Wireless Credential Dumping via Netsh
2 rules 2 TTPsAdversaries use the Windows built-in utility Netsh to dump Wireless saved access keys in clear text, potentially leading to credential compromise.
WinRAR and 7-Zip Encryption Abuse for Data Exfiltration Preparation
3 rules 2 TTPsAdversaries use WinRAR or 7-Zip to create encrypted archives in preparation for data exfiltration, using command-line arguments to enable encryption functionality.
Windows USN Journal Deletion via fsutil.exe
2 rules 1 TTPAdversaries 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 Defender Disabled via Registry Modification
3 rules 3 TTPsAttackers modify Windows Defender registry settings to disable the service or set the service to manual start, evading defenses to operate undetected.
Windows Console History Clearing
2 rules 2 TTPsAdversaries may clear the command history of a compromised account to conceal the actions undertaken during an intrusion on a Windows system.
System Information Discovery Detection
2 rules 1 TTPThis 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.
Suspicious Windows Process Cluster from Parent Process via Machine Learning
2 rules 2 TTPsA 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.
Suspicious Explorer Child Process via DCOM
3 rules 9 TTPsA 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.
Netsh Helper DLL Persistence
2 rules 2 TTPsAttackers 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.
Expired or Revoked Driver Loaded
2 rules 3 TTPsAn 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.
MsXsl.exe Network Connection for Defense Evasion
2 rules 2 TTPsMsxsl.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.
Windows Account Discovery of Administrator Accounts
2 rules 4 TTPsThe 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 TCP/IP Race Condition Privilege Escalation (CVE-2026-27921)
2 rules 1 TTP 1 CVECVE-2026-27921 is a race condition vulnerability in Windows TCP/IP that allows a locally authenticated attacker to elevate privileges.
Windows SSDP Service Race Condition Privilege Escalation (CVE-2026-32082)
2 rules 1 TTP 1 CVECVE-2026-32082 is a race condition vulnerability in the Windows SSDP Service that allows an authorized attacker to elevate privileges locally.
VaultCmd Usage for Listing Windows Credentials
2 rules 2 TTPsAdversaries 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.
Suspicious Managed Code Hosting Process
2 rules 1 TTPThis 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.
Program Files Directory Masquerading
2 rules 1 TTPAdversaries may masquerade malicious executables within directories mimicking the legitimate Windows Program Files directory to evade defenses and execute untrusted code.
Potential LSASS Memory Dump Activity
2 rules 1 TTPThis 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.
Potential Evasion via Filter Manager
2 rules 1 TTPAdversaries may abuse the Filter Manager Control Program (fltMC.exe) to unload filter drivers, evading defenses like EDR and antivirus.
AdFind Active Directory Reconnaissance Activity
3 rules 5 TTPsAdFind.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.
Potential Remote Install via MsiExec
2 rules 1 TTPThis 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.
Potential Exploitation of an Unquoted Service Path Vulnerability
2 rules 1 TTPThis 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.
Local Account TokenFilter Policy Modification for Defense Evasion
2 rules 3 TTPsModification 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.
Remote File Download via Script Interpreter
2 rules 3 TTPsAttackers 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.
Kerberos Pre-authentication Disabled for User Account
3 rules 4 TTPsDetection 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.
AMSI Enable Registry Key Modification for Defense Evasion
2 rules 1 TTPAdversaries modify the AmsiEnable registry key to 0 to disable Windows Script AMSI scanning, bypassing AMSI protections for Windows Script Host or JScript execution.
Pre-Ransomware Active Directory Discovery Burst
3 rules 3 TTPsAttackers perform a burst of Active Directory discovery commands on a Windows host to gather information prior to ransomware deployment.
Application Compatibility Shim Database Installation for Persistence
2 rules 1 TTPAttackers abuse Application Compatibility Shims to establish persistence by installing custom shim databases, allowing for stealthy code execution within legitimate Windows processes.
Active Directory msPKIAccountCredentials Modification
2 rules 2 TTPsAttackers 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.
Detection of Malicious Browser Extension Installation
2 rulesThis 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.
Potential NetNTLMv1 Downgrade Attack via Registry Modification
2 rules 2 TTPsAttackers modify the Windows registry to weaken NTLM authentication, forcing a downgrade to the less secure NTLMv1 protocol, potentially leading to credential compromise.
Windows Scheduled Tasks AT Command Enabled via Registry Modification
2 rules 2 TTPsAttackers may enable the deprecated Windows scheduled tasks AT command via registry modification to achieve local persistence or lateral movement on a compromised system.
Windows EFI Bootloader File Modification Detection
2 rules 1 TTP 1 CVEA 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.
PowerShell Kerberos Ticket Dumping via LSA Authentication Package Access
2 rules 1 TTPDetection of PowerShell scripts attempting to dump Kerberos tickets from memory by accessing LSA authentication packages, potentially leading to credential access and lateral movement.
LSASS Memory Dump Creation Detection
2 rules 1 TTPThis 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.
LSASS Credential Dumping via Windows Error Reporting (WER) Abuse
2 rules 2 TTPsAttackers 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.
Execution via TSClient Mountpoint
2 rules 2 TTPsThe 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.
Detection of Malicious Browser Extension Installation
2 rulesThis 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.
Unusual Network Connection via RunDLL32
2 rules 2 TTPsThe 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.
Persistence via BITS Job Notify Cmdline
2 rules 1 TTPAdversaries 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.
Network-Level Authentication (NLA) Disabled via Registry Modification
2 rules 3 TTPsDetection of attempts to disable Network-Level Authentication (NLA) by modifying the registry on Windows systems, potentially enabling persistence methods and unauthorized access.
Suspicious Microsoft Diagnostics Wizard Execution
3 rules 1 TTPThis 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.
Wireless Credential Dumping using Netsh Command
2 rules 4 TTPsAttackers may attempt to dump wireless credentials using `netsh.exe` to gain unauthorized network access, potentially leading to lateral movement and data compromise.
Unusual Executable File Creation by a System Critical Process
2 rules 1 TTPThe rule identifies unexpected executable file creation or modification by critical Windows processes, potentially indicating remote code execution or exploitation attempts.
First Time Seen Account Performing DCSync
2 rules 1 TTPDetection 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.
Excel Spawning Uncommon Microsoft Applications
3 rules 1 TTPMicrosoft 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.
NTDS Dump via Wbadmin Execution
2 rules 3 TTPsAdversaries 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 Script Execution from Archive File
2 rules 3 TTPsThis rule identifies attempts to execute Jscript/Vbscript files from an archive file, a common delivery method for malicious scripts on Windows systems.
Windows MSI Rollback Script Deletion by Non-Msiexec Process
2 rules 2 TTPs 1 CVEDetection 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.
Unusual Process Performing NewCredentials Logon
2 rules 1 TTPAnomalous NewCredentials logon events triggered by uncommon processes may indicate access token manipulation for privilege escalation.
Unusual Group Name Accessed by User via Privileged Access Detection
2 rules 5 TTPsA 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.
Rare SMB Connection to the Internet
2 rules 2 TTPsThis 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.
Potential Account Takeover via Logon from New Source IP
2 rules 1 TTPAtypical 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.
Mako Template Engine Path Traversal Vulnerability on Windows
2 rules 1 TTPA 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.
Executable File Creation with Multiple Extensions
2 rules 2 TTPsDetection of executable files created with multiple extensions, a masquerading technique to evade defenses.
Credential Acquisition via Registry Hive Dumping
2 rules 1 TTPDetects attempts to export sensitive Windows registry hives (SAM/SECURITY) using reg.exe, potentially leading to credential compromise.
Briefcase MSI Installer Privilege Escalation Vulnerability
2 rules 1 TTPBriefcase 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.
CVE-2026-32150 Function Discovery Service Race Condition Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
Spike in Number of Processes in an RDP Session
2 rules 2 TTPsA 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.
Process Execution from Unusual Windows Directories
1 rule 1 TTPAdversaries may execute processes from unusual Windows directories to masquerade malware as legitimate software and evade defenses.
Unusual Process Spawned by a Parent Process via Machine Learning
2 rules 2 TTPsA 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.
Suspicious Microsoft Outlook Child Processes
2 rules 10 TTPsDetects suspicious child processes spawned by Microsoft Outlook, commonly associated with spear phishing attacks and the execution of malicious payloads.
Script Interpreter Spawning Credential Scanner
2 rules 3 TTPsA 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.
Local Account TokenFilter Policy Modification
2 rules 4 TTPsAn 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.
Detection of PowerShell HackTool Scripts by Author Attribution
2 rules 1 TTPThis 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.
Detection of Persistent Scripts in the Startup Directory
2 rules 2 TTPsThis 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.
Suspicious WMIC XSL Script Execution
2 rules 3 TTPsThis 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.
ProblemChild ML Detection of Suspicious Windows Processes
2 rules 2 TTPsThe 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.
Potential Ransomware Behavior - Note Files Dropped via SMB
2 rules 4 TTPsThis 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.
Detection of Sensitive LDAP Attribute Access
2 rules 5 TTPsThis 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.
Detect Suspicious Windows Service Installation
2 rules 1 TTPThis detection identifies the creation of new Windows services with suspicious command values, often used for privilege escalation and persistence by malicious actors.
Windows Sandbox Abuse with Sensitive Configuration
3 rules 1 TTPThis 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.
Renamed Automation Script Interpreter Detection
2 rules 2 TTPsThis rule identifies renamed Automation Script Interpreter processes, often used by malware written in AutoIt/AutoHotKey to evade detection by renaming the executable.
PowerShell Kerberos Ticket Request via KerberosRequestorSecurityToken
2 rules 1 TTPThis rule detects PowerShell scripts that request Kerberos service tickets using KerberosRequestorSecurityToken, potentially indicating Kerberoasting attacks for offline password cracking of service accounts.
Unsigned DLL Loaded by Svchost for Persistence and Privilege Escalation
2 rules 4 TTPs 5 IOCsAdversaries 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.
Web Shell Activity Detection via Process Monitoring
2 rules 4 TTPsThis 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.
Suspicious Process Execution via Renamed PsExec Executable
2 rules 3 TTPsThe rule identifies suspicious PsExec activity where the psexec service is executed from a renamed executable, possibly to evade detection and enable lateral movement.
Windows Subsystem for Linux Distribution Installation via Registry Modification
2 rules 3 TTPsDetects 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 Event Log Cleared
2 rules 1 TTPDetection 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.
Netsh Used to Enable Remote Desktop Protocol (RDP) in Windows Firewall
2 rules 2 TTPsAdversaries 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.
Conhost Spawned By Suspicious Parent Process
2 rules 3 TTPsThe 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.
Potential Antimalware Scan Interface Bypass via PowerShell
3 rules 1 TTPThis rule detects PowerShell scripts that attempt to bypass the Antimalware Scan Interface (AMSI) in order to disable scanning and execute malicious PowerShell code undetected.
Unauthenticated Remote File Read Vulnerability in Sonarr (CVE-2026-30976)
2 rules 1 TTPCVE-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.
Windows User Account Creation via net.exe
3 rules 2 TTPsAttackers may create new accounts on Windows systems using `net.exe` to maintain access and establish persistence, which this detection identifies.
Windows Persistence via Scheduled Job Creation
2 rules 1 TTPAdversaries 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.
Multiple Remote Management Tool Vendors on Same Host
3 rulesThe 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.
MpCmdRun.exe Used to Remove Defender Definitions
2 rules 1 TTPThe 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.
Execution of Downloaded Windows Script
2 rules 5 TTPsThis 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.
Werfault ReflectDebugger Persistence Abuse
2 rules 2 TTPsAttackers 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.
Potential PowerShell Obfuscated Script via High Entropy
2 rules 3 TTPsThis 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.
Windows Peripheral Device Discovery via fsutil
2 rules 1 TTPAdversaries 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.
Signed Proxy Execution via MS Work Folders
2 rules 3 TTPs 1 IOCAdversaries may misuse Windows Work Folders to execute a masqueraded 'control.exe' file from a non-standard location, bypassing application controls and potentially escalating privileges.
Microsoft Exchange Server UM Spawning Suspicious Processes
2 rules 2 TTPs 1 CVEThis 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.
Potential Local NTLM Relay via HTTP
2 rules 1 TTPAdversaries may coerce local NTLM authentication over HTTP via WebDAV named-pipe paths (Print Spooler, SRVSVC), then relay credentials to elevate privileges.
Multiple Logon Failure Followed by Logon Success
2 rules 1 TTPThis 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.
Account Discovery Command via SYSTEM Account
3 rules 3 TTPsThe 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.
WMI Permanent Event Subscription Abuse for Persistence
2 rules 1 TTPAttackers use WMI permanent event subscriptions to execute malicious scripts or binaries for persistence by creating event consumers other than the default NTEventLogEventConsumer.
Windows Suspicious Process Execution from Unusual File Paths
3 rules 2 TTPsAdversaries 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 Defender Real-Time Behavior Monitoring Disabled via Registry Modification
2 rules 1 TTPAttackers 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.
Unusual Persistence via Services Registry Modification
2 rules 3 TTPsAdversaries 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.
Suspicious Raw Disk Access Detected
2 rules 1 TTPDetection of processes accessing raw disk volumes outside of normal system paths, often associated with wiper malware and boot sector attacks.
Suspicious PowerShell Arguments Detected
2 rules 1 TTPDetection of suspicious arguments used with PowerShell, potentially indicating malicious activity execution.
Suspicious LSASS Access via Malicious Secondary Logon Service
3 rules 1 TTPAn attacker abuses the Secondary Logon service (seclogon.dll) to gain unauthorized access to the LSASS process, potentially leaking credentials.
Suspicious Access to Chrome Local State File
2 rules 1 TTPThis 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.
RegAsm Executed Without Command Line Arguments
2 rules 1 TTPThe 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.
Ransomware Attempting to Disable Windows Recovery via Bcdedit
2 rules 1 TTPThis brief details the detection of ransomware actors using bcdedit.exe to modify boot settings, specifically disabling automatic repair mode to hinder system recovery.
Potential Application Shimming via Sdbinst
3 rules 2 TTPsThis 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.
Persistence via Scheduled Job Creation
2 rules 1 TTPThis detection rule identifies attempts to establish persistence on Windows systems by creating scheduled jobs in the Windows Tasks directory, excluding known legitimate jobs.
Windows Subsystem for Linux Enabled via Dism Utility
2 rules 1 TTPAdversaries may enable Windows Subsystem for Linux (WSL) via the Dism utility to evade detection by running Linux tools on Windows.
Suspicious Microsoft HTML Application Child Process
2 rules 5 TTPsAdversaries 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.
Privilege Escalation via Windows Token Theft
2 rules 1 TTPAn 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.
Potential Timestomping of Executable Files on Windows
2 rules 1 TTPThis 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.
Potential System Tampering via File Modification
2 rules 2 TTPsAttackers 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.
Potential Remote Install via MsiExec
2 rules 2 TTPsAdversaries 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.
MSBuild Making Network Connections
2 rules 2 TTPsDetection of MsBuild.exe making outbound network connections which may indicate adversarial activity used to execute code and evade detection.
Ingress Transfer via Windows BITS
2 rules 2 TTPsAdversaries leverage the Windows Background Intelligent Transfer Service (BITS) to download executable and archive files, potentially delivering malicious payloads while evading traditional security measures.
IIS AppCmd Tool Used to Dump Service Account Credentials
2 rules 2 TTPsAttackers 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.
Disabling Windows Defender Security Settings via PowerShell
2 rules 2 TTPsAttackers use PowerShell commands, including base64-encoded variants, to disable or weaken Windows Defender settings, impairing defenses on compromised systems.
Detection of Custom Shim Database Installation for Persistence
2 rules 1 TTPAttackers 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.
Rundll32 Execution with DLL Stored in Alternate Data Stream (ADS)
2 rules 1 TTPAdversaries may use rundll32.exe to execute DLLs stored within alternate data streams (ADS) to bypass security controls and conceal malicious code.
Detection of Downloaded URL Files Used in Phishing Campaigns
2 rules 3 TTPsThis 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.
Process Execution from Suspicious Windows Directories
2 rules 1 TTPAdversaries 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.
Persistence via Malicious Microsoft Outlook VBA Template
2 rules 1 TTPAttackers 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.
Detection of Command and Control Activity via Commonly Abused Web Services
2 rules 2 TTPsThis 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.
DCOM Lateral Movement via ShellWindows/ShellBrowserWindow
2 rules 2 TTPsThis 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.
Executable File Creation with Multiple Extensions
2 rules 2 TTPsThis 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.
Disable Windows Event and Security Logs Using Built-in Tools
3 rules 3 TTPsAttackers attempt to disable Windows Event and Security Logs using logman, PowerShell, or auditpol to evade detection and cover their tracks.
Unusual Time or Day for an RDP Session Detected by Machine Learning
2 rules 2 TTPsA machine learning job detected an RDP session initiated at an unusual time or day, potentially indicating lateral movement activity within a network.
Suspicious Whoami Process Activity
3 rules 2 TTPsThe `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 OpenSSH Client Used for Indirect Command Execution
2 rules 1 TTPAttackers 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.
Suspicious Process Performing Public IP Address Discovery via DNS
2 rules 2 TTPs 36 IOCsDetection of suspicious Windows processes using DNS queries to determine the external IP address, potentially indicating reconnaissance or preparation for command and control activity.
Potential Port Monitor or Print Processor Registration Abuse
2 rules 4 TTPsThis 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.
Non-Chrome Process Accessing Chrome Default Directory
3 rules 1 TTPAtypical 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.
Detection of Event Log Disabling via WevtUtil
2 rules 1 TTPDetection 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.
Detection of Windows Defender Service Disabling via Registry Modification
2 rulesThis 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.
Detection of Downloaded Shortcut Files
2 rules 3 TTPsThis rule detects potentially malicious .lnk shortcut files downloaded from outside the local network on Windows systems, which are commonly used in phishing campaigns.
Windows Defender SpyNet Reporting Disabled via Registry Modification
2 rulesAttackers disable Windows Defender SpyNet reporting by modifying specific registry keys, preventing telemetry data from being sent and allowing malicious activities to go undetected.
Netsh Used to Enable Network Discovery
2 rules 1 TTPAdversaries 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.
FodHelper UAC Bypass Attempt
2 rules 2 TTPsDetection of fodhelper.exe execution, which is known to exploit User Account Control (UAC) bypass by leveraging specific registry keys, potentially leading to privilege escalation.
Code Integrity - Unmet Signing Level Requirements
2 rules 1 TTPWindows 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.
Potential Execution via FileFix Phishing Attack
2 rules 6 TTPsThis 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 Registry Modification to Disable Show Hidden Files
2 rules 2 TTPsThis 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.
Windows Registry Modification to Disable Registry Tools
2 rules 2 TTPsThis 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 Defender Context Menu Deletion Attempt
2 rules 1 TTPAn 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.
Potential Fake CAPTCHA Phishing Attack via Command Line
2 rules 2 TTPsThis 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.
InstallUtil Process Making Network Connections for Defense Evasion
2 rules 1 TTPDetection 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.
Browser Process Spawned from an Unusual Parent
2 rules 1 TTPAttackers 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.
Windows Downdate Attack Registry Modification
2 rules 1 TTPThe 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.
Potential Command and Control via Internet Explorer COM Abuse
2 rules 4 TTPsThis 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.
Windows Storage Spaces Controller Integer Underflow Vulnerability (CVE-2026-27907)
2 rules 1 TTP 1 CVE 1 IOCCVE-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.
Suspicious Windows Process Cluster Detection via Machine Learning
2 rules 2 TTPsA 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.
Suspicious JavaScript Execution via Deno
2 rules 1 TTPDetects 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.
Suspicious Execution via Scheduled Task
2 rules 2 TTPsThis 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\.
PowerShell Suspicious Payload Encoded and Compressed
2 rules 1 TTPDetects PowerShell scripts employing Base64 decoding combined with .NET decompression (Deflate/GZip) to deobfuscate and reconstruct malicious payloads in memory, evading traditional defenses.
CVE-2026-32073 - Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability
2 rules 1 TTP 1 CVECVE-2026-32073 is a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock, enabling a locally authorized attacker to escalate privileges.
Potential Credential Access via LSASS Handle Duplication
2 rules 1 TTPDetection 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.
SeEnableDelegationPrivilege Assignment Detection
3 rules 2 TTPsDetection of the assignment of the SeEnableDelegationPrivilege user right to a principal can indicate potential Active Directory compromise and privilege elevation by attackers.
CVE-2026-27922 Windows WinSock Use-After-Free Privilege Escalation
2 rules 1 TTP 1 CVE 1 IOCCVE-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.
Control Panel Abuse for Defense Evasion and Execution
3 rules 2 TTPsAdversaries 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 Account Discovery of Administrator Accounts
2 rules 4 TTPsAdversaries 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.
Mimikatz MemSSP Log File Detection
2 rules 1 TTP 1 IOCThis 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.
Detecting Remcos RAT Activity Through File and Registry Traces
3 rules 3 TTPs 6 IOCsThis 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 Subsystem for Linux Distribution Installed via Registry Modification
2 rules 3 TTPsThis 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 Hosts Querying Abused Web Services
2 rules 1 TTP 34 IOCsAdversaries 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.
Potential Data Exfiltration via Rclone
3 rules 1 TTPThe 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.
Multiple Logon Failures from Single Source Indicate Brute Force Attempt
2 rules 2 TTPsDetection 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.
Detection of Bcdedit Boot Configuration Modification
2 rules 1 TTPThis 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.
Windows TOR Client Execution Detection
2 rules 1 TTPDetects 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.
Windows Time-Based Evasion via Choice Exec
2 rules 1 TTPDetection 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 Theme File Creation in Unusual Location
2 rules 3 TTPsDetects 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.
Windows Shell Execution from IIS Installation Directory
2 rules 2 TTPsDetection of command-line tools executing from the IIS installation directory on Windows systems, potentially indicating exploitation of IIS-reliant software like Microsoft Exchange.
Windows Service Security Descriptor Tampering via sc.exe
2 rules 2 TTPsAdversaries 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.
Windows Processes Gathering Network Information via IP Check Web Services
2 rules 1 TTP 26 IOCsDetection of Windows processes using IP check web services for reconnaissance, a behavior commonly associated with malware like Trickbot, by monitoring DNS queries.
Windows High File Deletion Frequency Indicative of Ransomware
1 rule 1 TTPThis 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 Folder Options Disabled via Registry Modification
2 rulesAttackers 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.
Windows EventLog Reconnaissance Activity Detection
3 rules 1 TTPThis 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 Event Log Clearing Attempt Detected
3 rules 1 TTPAdversaries clear Windows event logs to evade detection and destroy forensic evidence, breaking SIEM detections and covering their tracks.
Windows EFI Volume Mount Attempt via Mountvol
2 rules 3 TTPsDetection of attempts to mount the EFI volume on Windows systems using mountvol.exe, potentially leading to system compromise.
Windows Computer Account Changed to Domain Controller
2 rules 2 TTPsDetects 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.
Windows Audit Policy Restored via Auditpol.exe
2 rules 1 TTPAttackers 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.
Unusual Network Activity from Windows System Binaries
3 rules 5 TTPsDetection 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.
System Shells Launched via Windows Services
2 rules 4 TTPsAttackers 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.
Suspicious WMI Reconnaissance via PowerShell
2 rules 2 TTPsThis analytic detects suspicious PowerShell activity leveraging WMI to gather system information, potentially indicating reconnaissance by an attacker.
Suspicious Process Access via Direct System Call
2 rules 3 TTPsDetects 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.
Suspicious MSIExec Remote Download
2 rules 2 TTPsThe 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.
Suspicious Execution from WebDAV Share
2 rules 1 TTPThis 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.
Suspicious Antimalware Scan Interface DLL Creation
2 rules 1 TTPAn adversary may attempt to bypass AMSI by creating a rogue AMSI DLL in an unusual location to evade detection.
Spike in Special Privilege Use Events
2 rules 4 TTPsA 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.
Script Execution via Microsoft HTML Application
3 rules 1 TTPDetects 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.
Remote File Download via PowerShell
2 rules 2 TTPsDetects PowerShell being used to download executable files from untrusted remote destinations, often used by attackers to transfer malware into a compromised environment.
Rare Connection to WebDAV Target for Credential Access
2 rules 2 TTPsAdversaries 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.
Potential Remote Credential Access via Registry
2 rules 2 TTPsDetects 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.
Potential NTLM Relay Attack against a Computer Account
2 rulesThis 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.
NLTEST.EXE Used for Domain Trust Discovery
2 rules 2 TTPsAdversaries 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.
Newly Observed ScreenConnect Host Server
2 rules 1 TTPDetection of ScreenConnect clients connecting to a newly observed host server outside the official ScreenConnect cloud, potentially indicating command and control activity or compromise.
Mounting Hidden or WebDav Remote Shares via Net.exe
2 rules 4 TTPsAdversaries may use net.exe to mount WebDav or hidden remote shares, indicating lateral movement or preparation for data exfiltration within a Windows environment.
Malware Leveraging Large Language Model Endpoints for Command and Control
3 rules 1 TTP 35 IOCsThis 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.
Execution of Persistent Suspicious Programs via Run Keys
2 rules 8 TTPsThis 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.
Detection of Command and Control Activity via Common Web Services
2 rules 1 TTPThis 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.
Detect Windows Entra User Management Via Azure CLI
2 rules 3 TTPsThis 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.
Conhost Proxy Execution for Defense Evasion
3 rules 1 TTPAdversaries 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.
Attrib.exe Used to Hide Files and Directories
2 rules 1 TTPDetection 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.
Potential Shadow Credentials added to AD Object
2 rules 2 TTPsThis 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.
Windows System File Execution from Unusual Location
2 rules 1 TTPThis 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 Firewall Disabled via Netsh
2 rules 1 TTPDetection of adversaries disabling Windows Firewall rules using the `netsh.exe` command-line tool to weaken defenses and facilitate unauthorized network activity.
Windows Eventlog Cleared Via Wevtutil
2 rules 1 TTPAdversaries may clear Windows event logs using `wevtutil.exe` to remove evidence of their activity and hinder forensic investigations.
Unusual Process Loading Mozilla NSS/Mozglue Module
2 rules 1 TTPDetection of processes loading Mozilla NSS/Mozglue libraries (mozglue.dll, nss3.dll) outside of known Mozilla applications, potentially indicating malware or unauthorized activity.
TelemetryController Scheduled Task Hijack for Persistence and Privilege Escalation
2 rules 2 TTPsAdversaries can hijack the Microsoft Compatibility Appraiser scheduled task (TelemetryController) to establish persistence and escalate privileges by executing arbitrary code with system-level permissions.
Symbolic Link Creation to Shadow Copies for Credential Access
2 rules 3 TTPsThe 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.
Suspicious PowerShell Execution via Windows Script Host
2 rules 4 TTPsDetection of PowerShell processes launched by cscript.exe or wscript.exe, indicative of potential malicious initial access or execution attempts.
Suspicious MS Office Child Process
2 rules 18 TTPs 1 CVEThis 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.
Suspicious Module Loaded by LSASS for Credential Access
2 rules 2 TTPsDetection 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.
Suspicious Antimalware Scan Interface DLL Creation
2 rules 2 TTPsThe 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.
Potential Credential Access via Windows Utilities
2 rules 3 TTPsThis 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.
MSIExec Spawning Discovery Commands
2 rules 1 TTPDetection of msiexec.exe spawning discovery commands indicating potential reconnaissance activity by attackers for system information gathering and lateral movement.
MpCmdRun Used for Remote File Download
2 rules 1 TTPAttackers 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.
Mimikatz Memssp Module Log File Detection
2 rules 3 TTPsThe 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.
UAC Bypass via DiskCleanup Scheduled Task Hijack
2 rules 3 TTPsAttackers 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.
Modification of Boot Configuration using Bcdedit
2 rules 1 TTPAdversaries 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 DISM Used to Remove Windows Defender
2 rules 1 TTPThe analytic detects the use of `dism.exe` to remove Windows Defender, potentially allowing adversaries to evade detection and carry out further malicious actions.
Suspicious Process Accessing Browser Password Store
2 rules 1 TTPDetection of non-browser processes accessing browser user data folders, a tactic used by malware such as Snake Keylogger to steal credentials and sensitive information.
Registry Persistence via AppCert DLL
2 rules 2 TTPsDetection of Registry Persistence via AppCert DLL, which involves modifying registry keys to load malicious DLLs upon process creation, enabling persistence and potential privilege escalation.
ETW Registry Disabled via Registry Modification
2 rules 1 TTPAttackers 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.
Windows User Account Creation via Net.exe
2 rules 2 TTPsThis 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.
Unusual Network Connection via DllHost
2 rules 2 TTPsThe 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.
Unsigned DLL Side-Loading from Suspicious Folders by Trusted Processes
2 rules 2 TTPsThis 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.
Suspicious PowerShell Engine ImageLoad
2 rules 1 TTPThis 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.
Suspicious Execution from a Mounted Device
2 rules 9 TTPsAttackers 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.
Suspicious CertUtil Commands Used for Defense Evasion
2 rules 3 TTPsAttackers abuse certutil.exe, a native Windows utility, to download/deobfuscate malware for command and control or data exfiltration, evading defenses.
Remote Execution via File Shares
2 rules 2 TTPsThis 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.
Potential RemoteMonologue Attack via Registry Modification
2 rules 4 TTPsThis 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.
Potential Defense Evasion via Filter Manager (fltMC.exe)
2 rules 1 TTPAdversaries 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.
Kerberos Traffic from Unusual Process
2 rules 2 TTPsDetects 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.
Execution from Unusual Directory - Command Line
2 rules 2 TTPsThis rule identifies process execution from suspicious default Windows directories, which adversaries may abuse to hide malware in trusted paths to evade defenses.
Detecting Remote Windows Service Installation for Lateral Movement
2 rules 3 TTPsThis 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.
Active Directory Discovery using AdExplorer
2 rules 5 TTPsAdExplorer, 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.
WMI Incoming Lateral Movement
3 rules 2 TTPsDetection of processes executed via Windows Management Instrumentation (WMI) on a remote host indicating potential adversary lateral movement.
WinPEAS PowerShell Script Execution Detection
2 rules 8 TTPsThis 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.
Windows USN Journal Deletion via Fsutil
2 rules 1 TTPAdversaries may delete the volume USN Journal on Windows systems using `fsutil.exe` to eliminate evidence of post-exploitation file activity.
Windows System File Ownership Change via Takeown or Icacls
2 rules 2 TTPsAdversaries 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 Subsystem for Linux Enabled via Dism Utility
2 rules 1 TTPAdversaries 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.
Windows Service Disabled Detection
2 rules 1 TTPDetection 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.
Windows Script Interpreter Executing Process via WMI
2 rules 4 TTPsThe 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.
Windows Root Certificate Modification for Defense Evasion
2 rules 2 TTPsAn 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 Remote Desktop Network Bruteforce Attempt
2 rules 1 TTPThis 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.
Windows Registry Deletion of Scheduled Task Security Descriptor
2 rules 1 TTPAttackers may delete a scheduled task's Security Descriptor (SD) from the registry to remove evidence of the task for defense evasion.
Windows Projected File System Double Free Vulnerability (CVE-2026-32069)
2 rules 1 TTP 1 CVECVE-2026-32069 is a double free vulnerability in the Windows Projected File System that allows an authorized local attacker to elevate privileges.
Windows Potato Privilege Escalation Tool Execution
2 rules 1 TTPDetects 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.
Windows Host Network Discovery Enabled via Netsh
2 rules 1 TTPAttackers can enable host network discovery via netsh.exe to weaken host firewall settings, facilitating lateral movement by identifying other systems on the network.
Windows Guest Account Enabled via net.exe
2 rules 1 TTPThe 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.
Windows Firewall Rule Modification Detection
2 rulesThis 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 Firewall Rule Deletion Detection
2 rules 1 TTPDetection 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 Firewall Rule Added via Event ID 4946
2 rulesThis 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.
Windows Firewall Modification with Suspicious Process Path
2 rulesThis 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.
Windows Firewall Disabled via PowerShell
2 rules 2 TTPsAttackers may disable the Windows firewall or its rules using the `Set-NetFirewallProfile` PowerShell cmdlet to enable lateral movement and command and control activity.
Windows Firewall Disabled via Netsh
2 rules 1 TTPAttackers 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 Files and Dirs Access Rights Modification via Icacls
2 rules 1 TTPDetection 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.
Windows EventLog ChannelAccess Registry Modification
2 rules 1 TTPAn attacker modifies the Windows EventLog ChannelAccess registry value to evade defenses by blocking security products from accessing event logs.
Windows Event Logging Service Shutdown Detection
2 rules 1 TTPDetection of the Windows Event Log service shutdown, indicated by Event ID 1100, which can signify attempts to evade detection by disabling logging.
Windows Event Log Clearing Detected
2 rules 2 TTPsThis 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 Defender Web Content Evaluation Disabled via Registry Modification
2 rulesAn 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 Tracing Level Modification
2 rulesThe 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 Throttle Rate Modification
2 rules 1 TTPAn attacker modifies the Windows Defender ThrottleDetectionEventsRate registry setting to reduce the frequency of logged detection events, potentially evading detection.
Windows Defender Threat Action Modification via Registry
2 rulesAn attacker modifies the Windows Defender ThreatSeverityDefaultAction registry setting to weaken defenses, potentially leading to unaddressed threats and system compromise.
Windows Defender SmartScreen App Install Control Disabled via Registry Modification
2 rulesAttackers 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.
Windows Defender Reporting Disabled via Registry Modification
2 rules 1 TTPAttackers modify the Windows registry to disable Windows Defender generic reports, preventing error reports and potentially hiding malicious activity.
Windows Defender Protocol Recognition Disabled via Registry Modification
2 rules 1 TTPAn 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 Profile Registry Key Deletion
2 rules 1 TTPDetection of Windows Defender profile registry key deletion, indicating potential defense evasion by malware or threat actors aiming to disable security controls.
Windows Defender Phishing Filter Override via Registry Modification
2 rules 1 TTPThe 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.
Windows Defender Logging Disabled via Registry Modification
2 rules 1 TTPAttackers may disable Windows Defender logging by modifying specific registry keys to evade detection and conceal malicious activities.
Windows Defender Infection Reporting Disabled via Registry Modification
2 rulesAttackers 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 Exclusions Added via PowerShell
2 rules 3 TTPsAdversaries 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.
Windows Defender Exclusion Registry Modification
2 rules 1 TTPAdversaries modify Windows Defender exclusion registry entries to bypass antivirus and execute malicious code undetected, potentially leading to persistence and further malicious activities.
Windows Defender Disabled via Registry Modification
2 rules 1 TTPAn attacker modifies the Windows Registry key 'DisableAntiSpyware' to disable Windows Defender, a technique commonly associated with Ryuk ransomware to evade defenses.
Windows Defender Application Guard Auditing Disabled via Registry Modification
2 rules 1 TTPAttackers modify the Windows Registry to disable auditing for Windows Defender Application Guard, hindering security monitoring and enabling malicious activity to go unnoticed.
Windows Control Panel Disabled via Registry Modification
2 rules 2 TTPsThis 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.
Windows ComputerDefaults Process Spawning Detection
2 rules 1 TTPThe 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 AutoLogger Session Disabled via Registry Modification
2 rules 1 TTPAn attacker disables Windows AutoLogger sessions by modifying specific registry values to evade defenses and blind EDR and log ingest tools.
Windows Auditpol ResourceSACL Clearing for Defense Evasion
2 rulesAdversaries 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.
Windows Audit Policy Sub-Category Disabled
2 rules 3 TTPsThis 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 Audit Policy Exclusion via Auditpol
2 rules 1 TTPAdversaries 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.
Windows Audit Policy Disabled via Legacy Auditpol
2 rules 1 TTPAdversaries 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 Audit Policy Cleared via Auditpol
2 rules 1 TTPThe 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 Attempt to Stop Security Service
2 rules 1 TTPAn 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 AppCertDLL Registry Modification via Command Line
2 rules 2 TTPsAttackers modify the AppCertDLL registry key via command-line utilities to load malicious DLLs during system startup, achieving persistence and privilege escalation.
Windows AD Domain Replication ACL Addition Detection
2 rules 2 TTPsThis 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.
Windows AD Domain Controller Audit Policy Disabled
2 rules 1 TTPDetection 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 .Key File Creation in Root Directory
2 rules 1 TTPThis 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.
WDigest Security Provider Registry Modification
3 rules 2 TTPsAdversaries may modify the WDigest security provider registry key to force the storage of user passwords in cleartext, enabling credential dumping and unauthorized access.
Unusual System Utilities Initiating Network Connections
2 rules 3 TTPsAdversaries 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.
Unusual Scheduled Task Update
2 rules 1 TTPThis 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.
Unusual Process Accessing Browser Password Store
2 rules 1 TTPA 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.
Unusual Persistence via Services Registry Modification
2 rules 3 TTPsDetection of processes modifying the Windows services registry key directly, potentially indicating stealthy persistence attempts via abnormal service creation or modification.
Unsecured Outlook Credentials Access in Windows Registry
2 rules 1 TTPAn attacker attempts to access unsecured Outlook credentials stored in the Windows registry, potentially leading to unauthorized access to email accounts and sensitive information.
Uncommon Registry Persistence Change Detection
2 rules 2 TTPsThis 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.
Suspicious Use of sc.exe for Remote Service Manipulation
3 rules 3 TTPsThe rule identifies the use of sc.exe to create, modify, or start services on remote hosts, potentially indicating lateral movement by adversaries.
Suspicious SMB Connections via LOLBin or Untrusted Process
3 rules 1 TTPThis 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.
Suspicious Script Object Execution via scrobj.dll
2 rules 2 TTPsDetection of scrobj.dll loaded into unusual Microsoft processes indicates potential malicious scriptlet execution for defense evasion and execution by abusing legitimate system binaries.
Suspicious Remote Installation via MsiExec
2 rules 1 TTPThis 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.
Suspicious Process Terminating LSASS Process
2 rulesDetection 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.
Suspicious Process Execution from Unusual File Paths
2 rules 2 TTPsAttackers 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.
Suspicious Network Connection via Registration Utility
2 rules 4 TTPsThe 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.
Suspicious MS Office Child Process
2 rules 18 TTPsDetects suspicious child processes of Microsoft Office applications, indicating potential exploitation or malicious macros for initial access, defense evasion, and execution.
Suspicious Microsoft Antimalware Service Executable Execution
3 rules 1 TTPDetects 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.
Suspicious Managed Code Hosting Process
2 rules 7 TTPsThe 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.
Suspicious LSASS Process Access
3 rules 1 TTPThis 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.
Suspicious LNK File Creation in Temporary Directories
2 rules 3 TTPsDetection of processes creating .lnk files in suspicious locations like user directories or temporary folders, often indicative of spear phishing or malware persistence mechanisms.
Suspicious ImagePath Service Creation
2 rules 2 TTPsAdversaries 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.
Suspicious Image Load (taskschd.dll) from MS Office
2 rules 2 TTPsDetection of taskschd.dll image loads from Microsoft Office applications indicates potential COM-based scheduled task creation for persistence, bypassing traditional schtasks.exe usage.
Suspicious HTML File Creation Leading to Potential Payload Delivery
3 rules 3 TTPsThis 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.
Suspicious Firewall Modification to Allow Network Discovery
2 rulesDetection 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.
Suspicious Execution with NodeJS
3 rules 1 TTPThis 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.
Suspicious Execution via Windows Subsystem for Linux
2 rules 3 TTPsAdversaries 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.
Suspicious Endpoint Security Parent Process Detected
2 rules 2 TTPsThis 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.
Suspicious DNS Queries to RMM Domains from Non-Browser Processes
2 rulesDetection 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.
Suspicious Copy from or to System Directory
3 rules 1 TTPThis 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.
Suspicious Certificate Issuance and Authentication via AD CS ESC1
2 rules 2 TTPsThis 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.
Suspicious Bluetooth Service Installation from Uncommon Location
2 rules 2 TTPsThe 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.
Suspicious Alternate Data Stream (ADS) File Creation
2 rules 1 TTPThe 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.
Suspicious Access to Chrome Extension Directories
2 rules 1 TTPNon-Chrome processes accessing Chrome extension directories can indicate credential theft or data exfiltration attempts by malware such as RedLine Stealer.
Signed Proxy Execution via MS Work Folders
2 rules 3 TTPsAttackers 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.
Shadow Copy Deletion via VSSAdmin or WMIC
2 rules 1 TTPAttackers delete shadow copies using vssadmin.exe or wmic.exe to prevent data recovery, often preceding ransomware deployment or data exfiltration.
SeDebugPrivilege Enabled by a Suspicious Process
2 rules 1 TTPThe 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.
Scheduled Task Disablement via Schtasks.exe
2 rulesDetection 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.
Scheduled Task Creation via Scripting
3 rules 3 TTPsDetection 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.
Scheduled Task Creation via Group Policy Object
2 rules 2 TTPsDetects 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.
Right-to-Left Override (RTLO) Masquerading
3 rules 2 TTPsAdversaries 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.
Renamed Utility Executed with Short Program Name
2 rules 1 TTPThis 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.
Remote Scheduled Task Creation via RPC
2 rules 2 TTPsThe 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.
Remote File Download via Desktopimgdownldr Utility
3 rules 1 TTPThe 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.
Remote File Copy to a Hidden Share
2 rules 3 TTPsThis 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.
Registry Persistence via AppInit DLL Modification
2 rules 2 TTPsModification 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.
Raccine Scheduled Task Deletion via Schtasks
2 rulesDetection 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.
PsExec Lateral Movement via Network Connection
2 rules 3 TTPsThe 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.
Process Created with a Duplicated Token
2 rules 2 TTPsThis rule identifies the creation of a process impersonating the token of another user logon session on Windows, potentially indicating privilege escalation.
Privileged Account Brute Force Detection
2 rules 2 TTPsMultiple 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.
Print.exe Used to Dump Sensitive Files for Credential Access
2 rules 2 TTPsAttackers 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.
PowerShell Script with Encryption/Decryption Capabilities
2 rules 3 TTPsPowerShell scripts employing .NET cryptography APIs are used to encrypt data for impact or decrypt payloads for defense evasion.
PowerShell Obfuscation via String Concatenation
2 rules 1 TTPThis rule detects PowerShell scripts employing string concatenation to evade static analysis and AMSI by fragmenting keywords or URLs at runtime.
PowerShell Obfuscation via Character Array Reconstruction
2 rules 1 TTPDetects PowerShell scripts using character array reconstruction to hide commands, URLs, or payloads, evading static analysis and AMSI.
PowerShell MiniDump Script Detection
2 rules 1 TTPThis brief detects PowerShell scripts that reference MiniDumpWriteDump or full-memory minidump types, potentially used to capture process memory from credential-bearing processes like LSASS.
Potential Windows Error Manager Masquerading
2 rules 1 TTPAdversaries 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.
Potential Protocol Tunneling via Yuze
2 rules 3 TTPsThis 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.
Potential PowerShell Obfuscation via Special Character Overuse
2 rules 3 TTPsThis 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.
Potential Persistence via Time Provider Modification
2 rules 2 TTPsThe 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.
Potential Persistence via Mandatory User Profile Modification
2 rules 2 TTPsAdversaries 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.
Potential Masquerading as Communication Apps
2 rules 3 TTPsAttackers 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.
Potential Machine Account Relay Attack via SMB
2 rules 2 TTPsThe 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.
Potential LSA Authentication Package Abuse
2 rules 2 TTPsAdversaries 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.
Potential Kerberos Relay Attack via Coerced Authentication against a Computer Account
3 rules 1 TTP 1 CVEDetects 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.
Potential DNS Tunneling via NsLookup
2 rules 2 TTPsDetection 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.
Potential DLL Side-Loading via Trusted Microsoft Programs
2 rules 2 TTPsThis 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.
Potential Credential Access via Windows Utilities
3 rules 3 TTPsThis 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.
Potential Command Shell via NetCat Execution
2 rules 3 TTPsThe rule identifies potential attempts to execute a reverse shell using the netcat utility to execute Windows commands via Cmd.exe or Powershell.
Persistence via Update Orchestrator Service Hijack
2 rules 3 TTPs 1 CVEDetection 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.
Password Spray Attack Detection via 3-Sigma Anomaly
2 rules 1 TTPThis 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.
NTDS or SAM Database File Copied
2 rules 2 TTPsDetects 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.
NorthStar C2 Agent Execution Detection
2 rules 3 TTPs 2 IOCsThis 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.
Non-Chrome Process Accessing Chrome Login Data
2 rules 1 TTPThis 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.
Network Connections from Processes in Suspicious Windows Directories
2 rules 1 TTPDetection of network connections originating from processes running within suspicious Windows directories, indicating potential malware execution and command-and-control activity.
Multiple Remote Management Tool Vendors on Same Host
2 rulesThis 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.
MSSQL xp_cmdshell Stored Procedure Abuse for Persistence
2 rules 2 TTPsAttackers 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.
Mshta Making Network Connections Indicative of Defense Evasion
2 rules 1 TTPMshta.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.
Microsoft QUIC Remote Elevation of Privilege Vulnerability (CVE-2026-32179)
2 rules 1 TTPCVE-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 HPC Pack Deserialization Vulnerability (CVE-2026-32184)
2 rules 1 TTP 1 CVECVE-2026-32184 allows an authorized local attacker to elevate privileges on a Microsoft High Performance Compute Pack (HPC) system through deserialization of untrusted data.
Microsoft Defender Tampering via Registry Modification
2 rules 2 TTPsAdversaries may disable or tamper with Microsoft Defender features via registry modifications to evade detection and conceal malicious behavior on Windows systems.
Malicious Termination of Browser Processes via Taskkill
2 rules 1 TTPThe 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.
LSASS Process Access via Windows API
2 rules 1 TTPDetects suspicious access to the LSASS process via Windows API calls, potentially indicating credential dumping and subsequent lateral movement.
LSA PPL Protection Setting Modification via CommandLine
2 rules 1 TTPAttackers modify LSA PPL protection settings via command-line tools like reg.exe and PowerShell to weaken system security and enable credential dumping.
LOLBIN Network Connection for Defense Evasion
2 rules 1 TTPAdversaries 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.
Kerberos Ticket Dump via Kirbi File Creation
2 rules 2 TTPsThe creation of .kirbi files on Windows systems indicates potential Kerberos ticket dumping using tools like Mimikatz, preceding Pass-The-Ticket attacks.
IOBit Unlocker Extension DLL Registration via Regsvr32
2 rules 1 TTPThe 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.
Ingress Transfer via Windows BITS
2 rules 2 TTPsAdversaries may leverage Windows Background Intelligent Transfer Service (BITS) to download executable and archive files to evade defenses and establish command and control.
Incoming Execution via WinRM Remote Shell
2 rules 1 TTPThis 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.
Host File System Changes via Windows Subsystem for Linux
2 rules 2 TTPsThis rule detects file creation and modification on the host system from the Windows Subsystem for Linux (WSL), potentially indicating defense evasion by adversaries.
Hiding User Account from Sign-In Screen via Registry Modification
2 rulesAn 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.
Hidden Local Account Creation via Registry Modification
2 rules 2 TTPsAttackers 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.
Group Policy Discovery via GPResult Utility
2 rules 1 TTPThis 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.
GPO Scheduled Task or Service Creation/Modification
2 rules 3 TTPsDetection 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.
GPO Modification to Add Startup/Logon Scripts
2 rules 3 TTPsThis 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.
Google Chrome Use-After-Free Vulnerability in Video Component (CVE-2026-6359)
2 rules 2 TTPs 1 CVE 1 IOCCVE-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.
FreeFloat FTP Server 1.0 STOR Command Buffer Overflow
2 rules 1 TTPFreeFloat 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.
First Time Seen Driver Loaded
2 rules 3 TTPsThe rule identifies the load of previously unseen drivers, which may indicate attackers exploiting vulnerable drivers for privilege escalation and persistence.
Firewall Modification for File and Printer Sharing
2 rules 1 TTPThis 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.
Firewall Disabled via Netsh Command
2 rules 1 TTPDetection of Windows Firewall being disabled via the `netsh` command, potentially exposing the system to external threats and unauthorized communication.
Firewall Allowed Program Enable
3 rulesDetection of firewall rule modification to allow specific application execution, potentially bypassing restrictions and enabling unauthorized network communication.
Execution via Windows Subsystem for Linux
2 rules 2 TTPsThis 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.
Execution of SymbolicLink-Testing-Tools Utility for Privilege Escalation
2 rules 2 TTPsThe 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.
Execution from Removable Media with Network Connection
2 rules 1 TTPDetects 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.
Excessive Windows Service Disabling Events
2 rules 1 TTPAn 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.
Excessive Taskkill Usage for Defense Evasion
2 rules 1 TTPAdversaries 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.
Excessive Taskkill Usage for Defense Evasion
2 rules 1 TTPAdversaries 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.
Excessive Service Control Start as Disabled
2 rules 1 TTPDetection 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.
Enumeration of Privileged Local Groups Membership
2 rules 1 TTPAn 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.
Encoded Executable Stored in the Registry
2 rules 3 TTPs 1 IOCThis rule detects registry write modifications hiding encoded portable executables, indicative of adversary defense evasion by avoiding storing malicious content directly on disk.
EDRSilencer Execution Detected
3 rules 1 TTPThe EDRSilencer tool is designed to block outbound traffic of EDR processes by leveraging Windows Filtering Platform (WFP) APIs to evade endpoint defenses.
Disabling LSA Protection via Registry Modification
2 rules 1 TTPAdversaries 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.
Detection of WMI Temporary Event Subscription Creation
2 rules 2 TTPsDetection of WMI temporary event subscriptions via Windows Event Logs can identify potential attacker command execution, information gathering, or persistence attempts.
Detection of Windows AutoIt3 Execution
2 rules 1 TTPDetects 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.
Detection of Vulnerable Windows Driver Installation
2 rules 1 TTPThis 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.
Detection of PuTTY Suite Utility Execution
3 rules 2 TTPsThis 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.
Detection of ETW Disabling via Registry Modification
2 rulesAttackers 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.
Detection of Default Cobalt Strike PowerShell Beacon
2 rules 2 TTPsThis 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.
Detection of Azure Storage Utility Execution via Command Line Interface
2 rules 1 TTPAdversaries 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.
Detecting WMIC Systeminfo Discovery Activity
2 rules 1 TTPThis 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.
Detecting Windows Screen Capture via PowerShell Script
2 rules 1 TTPThis 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.
Detecting Windows Raw Access to Master Boot Record
2 rules 1 TTPThis 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.
Detecting Windows LAPS Password Gathering via PowerShell
2 rules 2 TTPsThis 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.
Detecting Spikes in Active Directory Object Modifications
2 rules 1 TTPThis detection identifies a spike in Active Directory group or object modifications, potentially indicating unauthorized access, defense impairment, or persistence establishment by threat actors.
Detect Windows Netspy Network Scanner Execution
2 rules 2 TTPsThe 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.
Detect Suspicious WMI Event Subscription Creation for Persistence
2 rules 1 TTPThis 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.
CVE-2026-32093 Function Discovery Service Race Condition Privilege Escalation
2 rules 1 TTP 1 CVEA 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.
CVE-2026-32089 Use-After-Free in Windows Speech Brokered API for Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-32086 Function Discovery Service Race Condition Privilege Escalation
2 rules 1 TTP 1 CVECVE-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.
CVE-2026-32083 Windows SSDP Service Race Condition Privilege Escalation
1 rule 1 TTP 1 CVECVE-2026-32083 is a race condition vulnerability in the Windows SSDP Service that allows an authorized local attacker to elevate privileges.
CVE-2026-32074 Double Free in Windows Projected File System
2 rules 1 TTP 1 CVECVE-2026-32074 is a double free vulnerability in the Windows Projected File System that allows a local attacker to elevate privileges.
CVE-2026-26180 Windows Kernel Heap Overflow for Privilege Escalation
2 rules 1 TTP 1 CVE 1 IOCCVE-2026-26180 is a heap-based buffer overflow vulnerability in the Windows Kernel that allows an authenticated local attacker to elevate privileges.
Credential Guard Bypass Techniques and Detection Strategies
3 rules 4 TTPs 1 IOCOffensive techniques such as patching, Pass-the-Challenge, downgrade attacks, and SSP negotiation can bypass Credential Guard, requiring robust detection strategies.
Creation or Modification of Domain Backup DPAPI Private Keys
2 rules 3 TTPsThis 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.
Core FTP/SFTP Server 1.2 Buffer Overflow Vulnerability (CVE-2019-25654)
2 rules 1 TTPCore 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.
Component Object Model (COM) Hijacking via Registry Modification
2 rules 4 TTPsAdversaries 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.
Command Obfuscation via Unicode Modifier Letters
2 rules 1 TTPAdversaries evade string-based detections by replacing ASCII characters with visually similar Unicode modifier letters in command lines, leading to execution of malicious commands.
Command Execution via ForFiles Utility for Defense Evasion
2 rules 1 TTPAdversaries are leveraging the Windows `forfiles` utility to proxy command execution, potentially bypassing security controls by using a trusted process, for defense evasion.
Command Execution via ForFiles Utility
2 rules 1 TTPAdversaries may use the Windows forfiles utility to proxy command execution via a trusted parent process, potentially evading detection.
Code Signing Policy Modification Through Registry
2 rules 2 TTPsAttackers modify the Windows Registry to disable code signing enforcement, allowing the execution of unsigned or self-signed malicious code.
Cobalt Strike PowerShell Loader Detection
2 rules 2 TTPsThis 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.
Cloudflare Tunnel (cloudflared) Abuse for Protocol Tunneling
3 rules 2 TTPs 1 IOCAdversaries 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.
Clearing Windows Console History for Defense Evasion
2 rules 1 TTPAdversaries may clear Windows console history to remove evidence of their activity and evade detection.
Cisco Secure Endpoint Uninstallation via SFC Utility
2 rulesThe sfc.exe utility is used with the "-u" parameter to uninstall Cisco Secure Endpoint components, potentially disabling endpoint protection and facilitating further exploitation.
BITS Job Notify Command Persistence
2 rules 1 TTPAdversaries 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.
BCDEdit Failure Recovery Modification
2 rules 1 TTPDetection of modifications to Windows error recovery boot configurations using bcdedit.exe, a technique commonly used by ransomware to disable system restoration options.
Active Directory Discovery via ADExplorer Execution
2 rules 5 TTPsDetects 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.
Account Configured with Never-Expiring Password
2 rules 1 TTPDetects 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.
Abuse of dnscmd.exe to Modify DNS ServerLevelPluginDLL
2 rules 1 TTPAttackers 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.
Windows Universal Data Link File Creation Detection
2 rules 2 TTPsThe 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.
Windows File Association Modification via Ftype Command
2 rules 3 TTPsAdversaries can use the `ftype` command to modify Windows file associations, potentially redirecting legitimate file execution to malicious payloads for persistence, execution, and defense evasion.
Windows Event Log Cleared
2 rules 1 TTPDetection 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.
Windows Defender Health Check Interval Modification
2 rulesThis 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.
Unusual Process Spawned by a User Detected by Machine Learning
2 rules 2 TTPsA 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.
Unusual Parent-Child Relationship Detection
3 rules 4 TTPsThis 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.
Suspicious QEMU Execution on Windows
2 rules 2 TTPsDetects 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.
Suspicious Process Execution via Renamed PsExec Executable
2 rules 3 TTPsDetects 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.
Suspicious Process Creation Followed by Memory Access from Unknown Region
2 rules 1 TTPThe 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.
Suspicious Outbound Scheduled Task Activity via PowerShell
2 rules 3 TTPsThis 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.
Suspicious DNS Queries to Telegram API by Non-Telegram Processes
2 rules 2 TTPs 1 IOCDetection 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.
Suspicious Cmd Execution via WMI
2 rules 3 TTPsDetects 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.
Spike in Active Directory User Modification Activity
2 rules 1 TTPDetects an increase in modifications to AD user objects, which may indicate unauthorized access, impaired defenses, or persistence establishment.
ProblemChild ML Model Detects Unusual Process on Windows Host
2 rules 1 TTPThe 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.
Potential Svchost Masquerading
2 rules 1 TTPThis 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.
Potential Modification of Accessibility Binaries for Persistence and Privilege Escalation
2 rules 2 TTPsAdversaries 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.
Potential Application Shimming via Sdbinst
2 rules 2 TTPsAttackers 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.
Persistence via LSA Security Support Provider Registry Modification
2 rules 2 TTPsAdversaries may establish persistence by modifying the Windows Security Support Provider (SSP) configuration in the registry, allowing malicious code to load during system startup.
MpCmdRun.exe Used for Remote File Download
2 rules 1 TTPAttackers are abusing the Windows Defender MpCmdRun.exe utility to download remote files, potentially delivering malware or offensive tools into compromised systems.
Microsoft IIS Connection Strings Decryption via aspnet_regiis
2 rules 2 TTPsAn 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.
Microsoft Devtunnels Execution for Covert Communication
2 rules 1 TTPThe 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.
LSASS Loading Suspicious DLL
2 rules 2 TTPs 9 IOCsDetection 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.
Logon Script Registry Modification for Persistence and Privilege Escalation
2 rules 2 TTPsThis 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.
Executable or Script Creation in Suspicious Paths
2 rules 1 TTPThis 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.
Disabling LSA Protection via Registry Modification
2 rules 3 TTPsAttackers 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.
Disabling CMD Application via Registry Modification
2 rules 1 TTPAttackers modify the Windows registry to disable the command prompt (cmd.exe), hindering incident response and potentially maintaining persistence.
Detection of Unauthorized Windows Hosts File Access
2 rules 1 TTPThis 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.
Detection of Taskkill Command to Terminate Browser Processes
2 rulesThis 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.
Detecting Remote Scheduled Task Creation for Lateral Movement
2 rules 2 TTPsThis 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.
Adding Hidden File Attribute via Attrib.exe
2 rules 2 TTPsAdversaries 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.
Credential Acquisition via Registry Hive Dumping
2 rules 2 TTPsAttackers may dump the SECURITY and/or SAM hives to obtain credentials stored in the host by using the Windows reg.exe tool.
PowerShell PSReflect Script Detection
2 rules 1 TTPThis 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.
Remote File Download via Script Interpreter
2 rules 2 TTPsThe 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.
Account Password Reset Remotely
2 rules 2 TTPsThe 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.
Unusual Source IP for Windows Privileged Operations Detected via ML
2 rules 2 TTPsA machine learning job detected a user performing privileged operations in Windows from an uncommon source IP, potentially indicating account compromise or privilege escalation.
Unusual Process For a Windows Host via Machine Learning
2 rules 2 TTPsThis 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.
Unusual Privilege Type Assigned to User via Machine Learning Anomaly
2 rules 4 TTPsA 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.
Unusual Host Name for Windows Privileged Operations Detected via ML
2 rules 2 TTPsA 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.
Startup Folder Persistence by Suspicious Processes
2 rules 1 TTPThis 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.
Remote File Download via Desktopimgdownldr Utility
2 rules 1 TTPThe 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.
Potential Remote Desktop Shadowing Activity
3 rules 3 TTPsThis 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.
Persistence via PowerShell Profile Modification
2 rules 2 TTPsAttackers can establish persistence by creating or modifying PowerShell profiles to execute malicious code each time PowerShell is launched, customizing the user environment.
Persistence via Hidden Run Key
2 rules 4 TTPsAdversaries achieve persistence by creating hidden, null-terminated registry keys within common Run key locations, evading standard system utilities.
First Time Seen Removable Device Activity
2 rules 2 TTPsThis 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.
DNS-over-HTTPS Enabled via Registry Modification
3 rules 2 TTPsDetection 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.
Windows Script Execution from Archive File
2 rules 3 TTPsThis 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.
Execution via Compiled HTML File
2 rules 6 TTPsAdversaries may abuse compiled HTML files (.chm) to execute malicious code by proxying execution via hh.exe, often leading to command execution via scripting interpreters.
Windows Delayed Execution via Ping Followed by Malicious Utilities
2 rules 14 TTPsAdversaries may use ping to delay execution of malicious commands, scripts, or binaries to evade detection, often observed during malware installation.
WScript or CScript Dropper
2 rules 2 TTPsThe 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 WMI Reconnaissance Activity Detection
2 rules 1 TTPDetection 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 Time-Based Evasion via Ping Delay
2 rules 1 TTPThis 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 Temporarily Scheduled Task Creation and Deletion
2 rules 2 TTPsDetection of rapid creation and deletion of scheduled tasks on Windows, indicating potential malicious activity abusing the task scheduler for execution and cleanup.
Windows Service Creation via Registry Modification
2 rules 1 TTPDetection 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 Script Host Executing PowerShell
2 rules 4 TTPsDetects PowerShell execution initiated by cscript.exe or wscript.exe, commonly used by attackers for initial access or payload delivery.
Windows Scheduled Task Creation for Persistence
3 rules 1 TTPAdversaries 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.
Windows Sandbox Abuse for Defense Evasion
3 rules 1 TTPThe 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 Registry Modification to Disable Run Application
2 rules 1 TTPThe 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.
Windows Peripheral Device Discovery via fsutil
2 rules 1 TTPAdversaries 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.
Windows HVCI Disabled via Registry Modification
2 rules 1 TTP 1 CVEDetection of Hypervisor-protected Code Integrity (HVCI) being disabled by modifying specific Windows registry keys, potentially allowing the execution of malicious kernel-mode code.
Windows Event Logs Cleared
2 rules 1 TTPAttackers attempt to clear Windows event logs to evade detection and remove forensic evidence of their activities.
Windows Defender SmartScreen Level Downgrade to 'Warn'
2 rules 1 TTPThis 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.
Windows Defender PUA Protection Disabled via Registry Modification
2 rulesAn 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 Firewall and Network Protection Disabled via Registry Modification
2 rules 1 TTPAn 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 Credential Manager Abuse via VaultCmd
2 rules 2 TTPsAdversaries 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 Command Obfuscation via Environment Variable Substrings
2 rules 1 TTPAttackers 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.
Windows Audit Policy Security Descriptor Tampering via Auditpol
2 rules 1 TTPDetection of `auditpol.exe` execution with arguments to modify the audit policy security descriptor, indicative of defense evasion by adversaries aiming to limit audit logging.
Windows Admin Account Brute Force Detection
2 rules 2 TTPsThis 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.
Wbadmin Backup Catalog Deletion
2 rules 2 TTPsAdversaries may delete Windows backup catalogs using wbadmin.exe to inhibit system recovery, often as part of ransomware or other destructive attacks.
User Account ServicePrincipalName Attribute Modified
2 rules 2 TTPsDetection 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.
Unusual Service Host Child Process - Childless Service
2 rules 2 TTPsThe 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.
Unusual Process Execution via Alternate Data Streams
2 rules 1 TTPAdversaries may use Alternate Data Streams (ADS) to hide malicious executables and execute them, evading traditional detection methods by concealing the file's true nature.
Unusual Parent Process for cmd.exe
1 rule 1 TTPAtypical 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.
Unusual File Creation via Alternate Data Streams
2 rules 1 TTPDetection of suspicious creation of Alternate Data Streams (ADS) on targeted files using command interpreters indicates potential malware hiding or defense evasion.
Unusual Executable File Creation by System Critical Process
2 rules 3 TTPsThis 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.
Unusual Child Process from System Virtual Process Indicates Process Injection
2 rules 1 TTPThe rule detects suspicious child processes of the Windows System process (PID 4), excluding legitimate processes, potentially indicating code injection used for defense evasion.
UAC Bypass via ICMLuaUtil Elevated COM Interface
2 rules 3 TTPsAttackers 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.
Sysmon Driver Unload via fltMC.exe
2 rules 1 TTPDetection of the Sysmon filter driver being unloaded via `fltMC.exe`, which can blind security monitoring and allow malicious actions to go undetected.
Suspicious Wevtutil Usage for Clearing Windows Event Logs
2 rulesDetection of wevtutil.exe being used with parameters to clear event logs, indicating potential attempts to evade detection and hinder forensic investigations by adversaries.
Suspicious Svchost.exe Child Process: cmd.exe
2 rules 2 TTPsDetection of cmd.exe being spawned by svchost.exe, which is an unusual behavior indicative of potential masquerading or privilege escalation attempts on Windows systems.
Suspicious Shell Execution via Velociraptor
2 rules 2 TTPsAttackers 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.
Suspicious Remote Registry Access via SeBackupPrivilege
2 rules 3 TTPsDetection of remote registry access by an account with SeBackupPrivilege, potentially indicating credential exfiltration attempts via SAM registry hive dumping.
Suspicious Remote Process Instantiation via WMI
2 rules 1 TTPDetection 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.
Suspicious RDP Client Image Load
2 rules 1 TTPThe rule detects suspicious loading of the Remote Desktop Services ActiveX Client (mstscax.dll) from unusual locations, potentially indicating RDP lateral movement on Windows systems.
Suspicious MSBuild Rename
2 rules 2 TTPsThe 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.
Suspicious Microsoft HTML Application Child Process
2 rules 1 TTPMshta.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.
Suspicious Microsoft Antimalware Service Execution
2 rules 3 TTPsDetection 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.
Suspicious Local Scheduled Task Creation
2 rules 1 TTPThis 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.
Suspicious Inter-Process Communication via Outlook COM
2 rules 2 TTPsAdversaries 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.
Suspicious Execution Patterns with NodeJS Interpreter
3 rules 2 TTPsThis 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.
Suspicious Executable or Script Creation in Uncommon Paths
3 rules 1 TTPDetection of executables or scripts being created in unusual directories on Windows systems, which can be indicative of malware installation or persistence attempts.
Suspicious Enumeration Commands Spawned via WMIPrvSE
2 rules 13 TTPsThis rule identifies suspicious activity where enumeration commands are spawned via the Windows Management Instrumentation Provider Service (WMIPrvSE) to gather system and network information.
Suspicious Command Prompt Network Connection
2 rules 4 TTPsThis 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.
Suspicious Access to LDAP Attributes
2 rules 3 TTPsThe 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.
Suspicious .NET Code Compilation via Unusual Parent Processes
2 rules 3 TTPsAdversaries 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.
SMB Registry Hive Exfiltration
2 rules 3 TTPsDetection 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.
Service Control Executed from Script Interpreters
2 rules 8 TTPsDetection 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.
Remcos RAT Activity Detection
3 rules 3 TTPsThis brief outlines detection strategies for Remcos RAT activity, focusing on file and registry artifacts indicative of installation, persistence, and cleanup on compromised Windows systems.
PowerShell Script Block Logging Disabled via Registry Modification
2 rules 2 TTPsAttackers 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 Keylogging Script Detection
2 rules 1 TTPThis brief documents a high-severity threat involving PowerShell scripts used for keylogging on Windows systems to capture credentials and sensitive user input.
Potential Secure File Deletion via SDelete Utility
2 rules 2 TTPsThis 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.
Potential CVE-2025-33053 Exploitation via Internet Explorer Diagnostics
2 rules 5 TTPs 1 CVEExploitation 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.
Potential Credential Access via Renamed COM+ Services DLL
2 rules 3 TTPs 1 IOCDetection of renamed COMSVCS.DLL being loaded by rundll32.exe, potentially used to dump LSASS memory for credential access while evading command-line detection.
Potential Credential Access via MSBuild Loading Credential Management DLLs
2 rules 1 TTPThe 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.
Potential Credential Access via DCSync
2 rules 3 TTPsThis 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.
Netsh Used to Enable Remote Desktop Protocol (RDP) in Windows Firewall
2 rules 2 TTPsAdversaries 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.
Multiple Remote Management Tool Vendors on Same Host
3 rulesThis 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.
MSHTA Executing Inline HTA Script
2 rules 1 TTPDetection of mshta.exe executing with inline script protocols like JavaScript or VBScript, often used for malicious script execution and defense evasion.
MSBuild Started by System Process
2 rules 2 TTPsDetects 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.
MS Office Macro Security Registry Modifications
2 rules 2 TTPsAttackers may modify Microsoft Office registry settings related to macro security (AccessVBOM, VbaWarnings) to disable security warnings, enabling malicious macros for persistence and further compromise.
Mounting of Hidden or WebDav Remote Shares via Net Utility
2 rules 4 TTPsAdversaries 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.
Modification of WDigest Security Provider
2 rules 1 TTPThe 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.
Microsoft Outlook VBA Template Persistence
2 rules 1 TTPAttackers establish persistence by installing a malicious VBA template in Microsoft Outlook, triggering scripts upon application startup by modifying the VBAProject.OTM file.
Microsoft IIS Service Account Password Dump via AppCmd
2 rules 2 TTPsAn 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.
Microsoft Devtunnels Image Load Detection
2 rules 2 TTPsThis 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.
Masquerading Business Application Installers
2 rules 4 TTPsAttackers masquerade malicious executables as legitimate business application installers to trick users into downloading and executing malware, leveraging defense evasion and initial access techniques.
Malicious MSC File Creation in Mock Trusted Directory
2 rules 3 TTPsThe 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.
LSASS Shtinkering Detection via Full User-Mode Dump Configuration
2 rules 2 TTPsDetection 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.
LSASS Memory Dump Creation Detection
2 rules 1 TTPThis 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.
Lateral Movement via Startup Folder File Creation
2 rules 4 TTPsAdversaries 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.
Lanman NullSessionPipe Registry Modification for Lateral Movement
2 rules 2 TTPsAdversaries 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.
Image File Execution Options (IFEO) Injection for Persistence and Defense Evasion
2 rules 3 TTPsAdversaries 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.
IIS HTTP Logging Disabled
2 rules 1 TTPAn attacker with IIS server access can disable HTTP Logging using appcmd.exe with the /dontLog parameter as an anti-forensics measure.
High Number of Process and/or Service Terminations Detected
2 rules 2 TTPsA 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.
Gigabyte Control Center Insecure Deserialization Privilege Escalation (CVE-2026-4416)
2 rules 1 TTPA 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.
File with Right-to-Left Override Character (RTLO) Created/Executed
2 rules 2 TTPsThis 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.
Disabling Windows Defender Security Settings via PowerShell
3 rules 2 TTPsAttackers 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.
Disabling User Account Control via Registry Modification
2 rules 3 TTPsAttackers 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.
Disable Windows Event and Security Logs Using Built-in Tools
3 rules 3 TTPsAttackers may attempt to disable Windows event logging to evade detection by using built-in tools like logman, PowerShell, and auditpol.
Detection of WMIC System Information Discovery
2 rules 1 TTPAdversaries 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.
Detection of System Information Discovery Techniques
1 rule 1 TTPThis brief covers the detection of adversaries using native Windows commands like `wmic qfe`, `systeminfo`, and `hostname` to gather system information for further exploitation.
Detection of Kali Linux Installation or Usage via Windows Subsystem for Linux (WSL)
2 rules 1 TTPAdversaries 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.
Detecting Execution from Alternate Data Streams
2 rules 1 TTPAdversaries 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.
CVE-2026-27923 Use-After-Free in Desktop Window Manager
2 rules 1 TTP 1 CVE 1 IOCA use-after-free vulnerability, CVE-2026-27923, in the Desktop Window Manager allows an authorized attacker with local access to escalate privileges.
Chrome Credential Theft via Password Store Copying
2 rules 1 TTPThe Braodo stealer and other malware copy Chrome's Local State and Login Data files to temporary directories to steal encrypted user credentials.
AppInit DLL Registry Persistence Detected
2 rules 2 TTPsModification of the AppInit DLLs registry keys can be used for persistence and defense evasion on Windows systems.
AdFind Tool Used for Active Directory Reconnaissance
2 rules 5 TTPsThe 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.
Windows Update Client DLL Loading Abuse
2 rules 2 TTPsAdversaries 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 Privilege Escalation via Secondary Logon Service
2 rules 2 TTPsThe 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.
Suspicious MS Outlook Child Process
2 rules 3 TTPsDetection of suspicious child processes spawned by Microsoft Outlook, indicative of spear phishing and malicious file execution leading to potential initial access and further exploitation.
Suspicious CertUtil Commands for Defense Evasion and Lateral Movement
2 rules 3 TTPsThis 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.
Remote Execution via File Shares
2 rules 1 TTPThis rule identifies potential lateral movement via network file shares by detecting the execution of a file that was created by the virtual system process.
Remote Execution of Windows Services via RPC
2 rules 2 TTPsDetection of remote execution of Windows services over RPC by correlating `services.exe` network connections and spawned child processes, potentially indicating lateral movement.
PowerShell Obfuscation via Backtick-Escaped Variable Expansion
2 rules 1 TTPPowerShell 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.
Potential Exploitation of Unquoted Service Path Vulnerability
2 rules 1 TTPThis 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.
Non-Discord Application Accessing Discord LevelDB Database
2 rules 1 TTPThis 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.
High Variance in RDP Session Duration Detected via Machine Learning
2 rules 2 TTPsA machine learning job has detected unusually high variance of RDP session duration, potentially indicating lateral movement and session persistence by threat actors.
Execution of COM object via Xwizard
2 rules 2 TTPsAdversaries 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.
Execution from Unusual Directory - Command Line
2 rules 3 TTPsAdversaries may execute commands and scripts from unusual Windows directories to masquerade malware and evade detection, impacting system integrity and security operations.
Disabling Windows Defender Security Settings via PowerShell
2 rules 2 TTPsThis rule detects the use of the Set-MpPreference PowerShell command to disable or weaken Windows Defender settings, a common defense evasion tactic.
Adding Hidden File Attribute via Attrib.exe
2 rules 2 TTPsAdversaries can use attrib.exe to add the 'hidden' attribute to files and directories to evade detection and persist on a system by hiding artifacts.
NTDS or SAM Database File Copied
2 rules 1 TTPDetects copy operations of Active Directory Domain Database (ntds.dit) or Security Account Manager (SAM) files, potentially exposing sensitive hashed credentials on Windows systems.
Potential Fake CAPTCHA Phishing Attack via Malicious Copy/Paste
2 rules 5 TTPsAttackers 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.
Detection of IIS HTTP Logging Disabled via AppCmd.exe
2 rules 2 TTPsThis 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.