Tag
Threat Actors Weaponize ClickOnce Technology for Initial Access, Execution, and Persistence
3 rules 4 TTPsThreat actors are actively abusing Microsoft's ClickOnce technology, specifically targeting the `.application` and `.appref-ms` file types, to achieve stealthy initial access, execute malicious payloads within legitimate Microsoft processes like rundll32.exe and dfsvc.exe, and establish persistence through its built-in update mechanism, effectively bypassing traditional endpoint security controls.
Azure VM Managed Run Command Abuse for Execution and Persistence
2 rules 1 TTPAdversaries can abuse the Azure VM Managed Run Command feature (MICROSOFT.COMPUTE/VIRTUALMACHINES/RUNCOMMANDS/WRITE) to achieve code execution as System or root and establish persistence on Azure Virtual Machines or Virtual Machine Scale Sets by an unusual identity, potentially evading detections focused solely on action-based Run Commands.
Azure VM Extension CRUD from Unusual Source ASN
2 rules 2 TTPsThreat actors are performing create, read, update, or delete (CRUD) operations against Azure VM or VM Scale Set extensions (e.g., CustomScript, DSC) from an anomalous source Autonomous System (AS) number, enabling high-privilege code execution and persistence on guest operating systems (SYSTEM on Windows, root on Linux) by abusing compromised Azure identities.
Entra ID OAuth Application Redirect URI Modified
2 rules 2 TTPsAdversaries are modifying OAuth application redirect URIs (ReplyUrls) in Microsoft Entra ID to intercept OAuth authorization codes and steal tokens, granting unauthorized access without new application registration or user consent.
Microsoft Entra ID Guest Account Promoted to Member
1 rule 1 TTPA sophisticated threat actor, having compromised an existing guest account in Microsoft Entra ID, can establish persistent access and elevate privileges by performing a Guest-to-Member account conversion, which grants full directory read access and bypasses Conditional Access restrictions, enabling stealthy long-term access and reconnaissance.
Microsoft Entra ID Temporary Access Pass (TAP) Abuse for MFA Bypass and Persistence
3 rules 2 TTPsAn attacker with elevated privileges abuses the Microsoft Entra ID Temporary Access Pass (TAP) feature to bypass multi-factor authentication (MFA), gain unauthorized access to target user accounts, and establish persistence by registering new authentication methods.
Microsoft 365 OAuth Device Code Phishing Exploits Non-Compliant Devices
2 rules 3 TTPsAttackers are actively exploiting the OAuth device code flow in Microsoft 365 to bypass multi-factor authentication (MFA) and gain initial access, leveraging phishing kits like Kali365 and tradecraft similar to Storm-2372 to harvest MFA-satisfied tokens from non-compliant or attacker-controlled devices, and subsequently establishing persistence through device registration.
Google Workspace Custom Admin Role Created for Persistence
1 rule 2 TTPsAdversaries may create custom administrative roles in Google Workspace to establish persistence with tailored, elevated permissions, which are then assigned to compromised or attacker-controlled accounts to bypass security controls, grant OAuth access, or modify mail routing.
Google Workspace Admin Role Assigned to a User or Group
2 rules 2 TTPsAdversaries leverage the assignment of administrative roles within Google Workspace to an existing or new user/group, establishing persistence and escalating privileges to gain broad control over the tenant, including bypassing single sign-on.
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.
Unusual Child Process Execution from Linux Web Servers
2 rules 4 TTPsThis rule detects unusual child process executions originating from web server processes on Linux systems, which attackers may use to maintain persistence on a compromised system by exploiting web server vulnerabilities.
Suspicious Command Execution via Web Server on Linux
2 rules 3 TTPsIdentifies suspicious command executions via a web server on Linux systems, which may suggest a vulnerability and remote shell access.
Unusual Child Execution via Web Server
2 rules 4 TTPsThis rule detects unusual child process executions originating from web server processes on Linux systems, potentially indicating attackers exploiting web servers for persistence.
Suspicious Command Execution via Web Server on Linux
3 rules 2 TTPsIdentifies suspicious command executions via a web server on Linux systems, potentially indicating a vulnerability exploitation or remote shell access for persistence.
Uncommon Destination Port Connection by Linux Web Server
2 rules 4 TTPsThis rule identifies unusual destination port network activity originating from a web server process on Linux systems, indicating potential web shell activity or unauthorized communication from a web server process to external systems by detecting egress connections from web server processes to non-standard ports while excluding common local IP ranges.
Unusual Command Execution from Web Server Parent Process on Linux
2 rules 3 TTPsThis rule detects potential command execution from a web server parent process on a Linux host, indicating a possible web shell attack where adversaries exploit web server vulnerabilities to execute arbitrary commands.
Unusual Process Spawned from Web Server Parent
2 rules 2 TTPsThis rule detects unusual processes spawned from a web server parent process on Linux systems, potentially indicating an attacker attempting to establish persistence, execute malicious commands, or establish command and control channels.
Kubernetes Static Pod Manifest File Access
3 rules 2 TTPsThis rule detects Linux process executions that reference /etc/kubernetes/manifests in process arguments, which may indicate tampering with static pod manifests for persistence or privilege escalation in Kubernetes environments.
Kubernetes Admission Webhook Created or Modified by Non-System Identity
2 rules 2 TTPsThe creation, modification, or deletion of Kubernetes MutatingWebhookConfigurations or ValidatingWebhookConfigurations by non-system identities can allow attackers to inject malicious sidecars or block security tooling deployments for persistence and defense evasion.
Google Workspace User Organizational Unit Changed
2 rules 2 TTPsDetects when a Google Workspace user's organizational unit is changed, potentially indicating an adversary attempting to inherit permissions and gain unauthorized access to resources and applications.
Google Workspace Suspended User Account Renewed
2 rules 2 TTPsDetection of a renewed suspended user account in Google Workspace, potentially indicating an adversary regaining access to the organization.
External User Added to Google Workspace Group
2 rules 2 TTPsDetects an external Google Workspace user account being added to an existing group, potentially allowing adversaries to intercept shared files or emails.
Entra ID Microsoft Authentication Broker DRS Sign-In from Suspicious ASN
2 rules 3 TTPsDetects Microsoft Entra ID sign-in activity where the Microsoft Authentication Broker requests the Device Registration Service from a suspicious ASN, indicating potential OAuth phishing or adversary-in-the-middle device registration.
M365 Exchange Inbox Rule with Obfuscated Name
2 rules 2 TTPsThis rule detects when a Microsoft Exchange inbox rule is created or modified with a name composed only of special characters, which adversaries may use to evade detection and hide malicious forwarding or deletion rules.
Azure VM Extension Deployment by Interactive User
2 rules 3 TTPsSuccessful deployment of a high-risk Azure Virtual Machine extension by an interactive user principal can lead to arbitrary code execution, backdoor account creation, credential harvesting, and persistence on Azure-hosted virtual machines.
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 AD ServicePrincipalName Added To Domain Account
2 rules 1 TTPThis Splunk analytic detects the addition of a Service Principal Name (SPN) to a domain account by monitoring Windows Event Code 5136 and changes to the servicePrincipalName attribute, potentially indicating Kerberoasting attempts leading to unauthorized access.
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 Object Owner Updated
2 rules 2 TTPsThis Splunk search detects when the owner of an Active Directory object is updated, potentially granting full control privileges and enabling object hiding, focusing on Windows Event Log ID 5136, and includes lookups for SID resolution.
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 Root ACL Modification
2 rules 2 TTPsModification of Access Control Lists (ACLs) on the Active Directory domain root object can grant attackers persistent and escalated privileges.
Windows AD DCShadow Privilege Escalation via ACL Modification
2 rules 3 TTPsThis detection identifies an Active Directory access-control list (ACL) modification event, which applies the minimum required extended rights to perform the DCShadow attack by modifying permissions on the domainDNS object.
Azure AD User ImmutableId Attribute Modification for Persistence
2 rules 1 TTPThe following analytic identifies modifications to the SourceAnchor (ImmutableId) attribute for an Azure Active Directory user, which is a step in setting up an Azure AD identity federation backdoor that allows an attacker to impersonate any user and bypass MFA.
Cisco Privileged Account Creation with Suspicious SSH Activity
3 rules 2 TTPsThis analytic detects a correlation between privileged account creation on Cisco IOS devices and subsequent inbound SSH connections to non-standard ports or sshd_operns, indicating persistence establishment following 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.
Living Off The Land Activity Detection
2 rules 5 TTPsThis correlation search identifies multiple risk events associated with 'Living Off The Land' activity, leveraging the Risk data model to aggregate events, focusing on systems with a high count of distinct sources, potentially enabling attackers to execute code, escalate privileges, or persist within the environment using trusted system utilities.
Linux Persistence and Privilege Escalation Risk Behavior Detected
2 rules 2 TTPsA Splunk correlation search identifies potential Linux persistence and privilege escalation activities based on risk scores and event counts from various Linux-related data sources, highlighting behaviors that could allow an attacker to maintain access or gain elevated privileges on a Linux system.
Google Workspace Device Registration Burst for Single User
1 rule 3 TTPsDetects bursts of Google Workspace device registration events for a single user exceeding three distinct device registrations within one minute, indicative of AiTM phishing or stolen OAuth token replay attacks.
Google Workspace User Sign-in from Atypical Device Type
2 rules 2 TTPsThis rule detects when a Google Workspace user authenticates from a device type that hasn't been observed for that user in the past 14 days, potentially indicating account compromise via AiTM kits or stolen OAuth refresh tokens.
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.
CVE-2026-6898: Wishlist Member WordPress Plugin Vulnerability Leads to Site Takeover
2 rules 4 TTPs 1 CVEThe Wishlist Member plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check (CVE-2026-6898), allowing authenticated attackers with subscriber-level access or higher to update the REST API Secret Key, create administrator accounts, and achieve complete site takeover.
CVE-2026-6897: Wishlist Member Plugin Vulnerability Leads to WordPress Site Takeover
2 rules 3 TTPs 1 CVECVE-2026-6897 is a critical vulnerability in the Wishlist Member plugin for WordPress, allowing authenticated attackers with subscriber-level access to modify plugin settings, including the REST API secret key, ultimately enabling them to create administrator accounts and take over the entire site.
Boxlite: Permission Bypass Allows Modification of Read-Only Files via virtiofs
2 rules 1 TTPBoxlite, a sandbox service, allows malicious code within a container to bypass read-only restrictions on mounted host directories using virtiofs, due to missing hypervisor-level enforcement and unrestricted kernel capabilities, leading to potential code execution on the host and supply chain risks.
Ransomware-as-a-Service (RaaS) Ecosystem: Affiliate Tradecraft and Initial Access Vectors
2 rules 1 TTPRansomware-as-a-service (RaaS) attacks leverage affiliates for initial access, persistence, and exfiltration, using varied techniques like compromised RDP, vulnerable VPNs, and rogue RMM tools, impacting multiple organizations in a single campaign.
TeamPCP Multi-Ecosystem Supply Chain Attack
3 rules 5 TTPs 4 IOCsTeamPCP is conducting a multi-ecosystem supply chain attack targeting the open-source ecosystem, specifically NPM packages, GitHub Actions, and VSCode extensions, to harvest credentials, exfiltrate sensitive data, and establish persistent access on infected systems via a Python-based backdoor.
macOS Finder Sync Plugin Persistence via Pluginkit
2 rules 1 TTPThis rule detects suspicious Finder Sync plugin registrations on macOS, where adversaries abuse the pluginkit process to establish persistence by repeatedly executing malicious payloads.
Kubernetes Static Pod Manifest File Access
2 rules 2 TTPsThis rule detects Linux process executions that access Kubernetes static pod manifest files, potentially indicating malicious tampering for persistence or privilege escalation.
Entra ID Register Device with Unusual User Agent (Azure AD Join)
2 rules 1 TTPDetects suspicious Microsoft Entra ID audit events for device registration where details indicate an Azure AD join and the user agent is not a standard registration client, potentially indicating scripted registration, third-party tooling, or malicious device registration for persistence or token abuse.
Google Workspace Device Registration After OAuth from Suspicious ASN
2 rules 2 TTPsDetects a sequence of events in Google Workspace where OAuth authorization from a suspicious ASN is immediately followed by device registration, potentially indicating attacker-controlled device enrollment after user authorization of a sensitive client, possibly related to Tycoon2FA.
Tiflux RMM Abused in Malspam Campaign
2 rules 1 TTP 2 IOCsA malspam campaign is leveraging the Tiflux RMM to gain remote access and persistence on victim machines, abusing legitimate remote management software for stealthy access and persistence.
AWS EKS Access Entry Granted Cluster Admin Policy
2 rules 2 TTPsDetects when the AmazonEKSClusterAdminPolicy or AmazonEKSAdminPolicy is associated with a principal via the EKS Access Entries API, effectively granting full cluster-admin access and enabling potential privilege escalation and persistence.
AWS EKS Access Entry Modification Detected
2 rules 2 TTPsSuccessful Amazon EKS Access Entries API operations that create, update, attach, detach, or delete authentication mappings between IAM principals and the cluster, potentially indicating persistence or privilege escalation are detected.
EKS Authentication Configuration Modified
2 rules 2 TTPsThis rule detects modifications to the aws-auth ConfigMap in Amazon EKS clusters, enabling attackers to grant cluster-admin access by mapping AWS IAM roles to the system:masters group, achieving persistence and privilege escalation.
Kubernetes Client Certificate Signing Request Created or Approved by Non-System Identity
3 rules 2 TTPsDetects creation or approval of a Kubernetes CertificateSigningRequest (CSR) by a non-system identity, indicating an attacker attempting to obtain a long-lived client certificate for persistent cluster access with elevated privileges.
CVE-2026-45229: Quark Drive Mass Assignment Vulnerability Allows Credential Overwrite
1 rule 2 TTPs 1 CVEQuark Drive before version 0.8.5 is vulnerable to a mass assignment vulnerability (CVE-2026-45229) in the POST /update endpoint, where authenticated attackers can overwrite administrator credentials, gaining persistent access to configured tasks, cloud tokens, and notification services.
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.
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.
Suspicious ImagePath Service Creation in Registry
2 rules 1 TTPDetection of suspicious ImagePath values written to the registry, indicating potential persistence or privilege escalation via abnormal service creation involving command interpreters or named pipes.
AdminSDHolder SDProp Exclusion Added
3 rules 1 TTPModification of the dsHeuristics attribute to exclude groups from SDProp in Active Directory can allow attackers to maintain persistent access to privileged accounts.
Potential Modification of Accessibility Binaries for Persistence
2 rules 1 TTPAdversaries may modify or replace Windows accessibility binaries (e.g., sethc.exe, utilman.exe) to execute malicious commands or establish persistence mechanisms before a user logs in, potentially leading to elevated privileges and unauthorized access.
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.
Suspicious Startup Shell Folder Modification
2 rules 1 TTPDetects suspicious modifications to the Windows Startup shell folder, a technique used to bypass detections monitoring file creation in the Windows Startup folder.
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.
AdminSDHolder Backdoor via Active Directory Modification
2 rules 1 TTPDetects modifications to the AdminSDHolder object in Active Directory, which attackers can abuse via the SDProp process to implement a persistent backdoor by manipulating permissions on protected accounts and groups to regain administrative privileges.
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.
OpenClaw Improper Access Control Vulnerability (CVE-2026-45006)
1 rule 1 TTP 1 CVEOpenClaw before 2026.4.23 contains an improper access control vulnerability (CVE-2026-45006) in the gateway tool's config.apply and config.patch operations, allowing compromised models to write unsafe configuration changes and persist malicious config modifications by bypassing an incomplete denylist.
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.
Potential Active Directory Replication Account Backdoor
2 rules 2 TTPsAttackers can modify Active Directory object security descriptors to grant DCSync rights to unauthorized accounts, creating a backdoor to extract credential data.
Local Account TokenFilter Policy Modification for Defense Evasion and Lateral Movement
2 rules 4 TTPsAdversaries may modify the LocalAccountTokenFilterPolicy registry key to bypass User Account Control (UAC) and gain elevated privileges remotely by granting high-integrity tokens to remote connections from local administrators, facilitating lateral movement and defense evasion.
GenAI Tools Accessing Sensitive Files for Credential Access and Persistence
2 rules 4 TTPsThis threat brief details the detection of GenAI tools accessing sensitive files containing credentials, SSH keys, browser data, and shell configurations, indicating potential credential harvesting and persistence attempts by attackers leveraging GenAI agents.
AWS IAM Privilege Operations via Lambda Execution Role
2 rules 3 TTPsDetection of IAM API calls that create or empower IAM users and roles, attach policies, or configure instance profiles when the caller is an assumed role session associated with AWS Lambda, potentially indicating privilege escalation or persistence.
Google Workspace Login Attempt with Government Attack Warning
2 rules 1 TTPA Google Workspace login attempt flagged as a potential attack by a government-backed threat actor, indicating potential privilege escalation, defense evasion, persistence, initial access, or impact.
Linux Persistence via Sudoers.d File Manipulation
3 rules 2 TTPsAttackers can achieve persistence and privilege escalation on Linux systems by creating or modifying files in the /etc/sudoers.d/ directory to grant unauthorized users or groups sudo privileges.
GenAI Tool Access to Sensitive Files for Credential Harvesting and Persistence
2 rules 4 TTPsThis brief outlines the threat of attackers leveraging GenAI tools to access sensitive files containing credentials, SSH keys, browser data, and shell configurations for credential access and persistence.
State-Sponsored Actors Leveraging Vulnerabilities and Identity for Persistent Access (2025)
2 rules 6 TTPsIn 2025, state-sponsored actors from China, Russia, North Korea, and Iran leveraged vulnerabilities and identity compromise for initial access, focusing on persistence for long-term espionage or disruption.
Suspicious Registry Modifications by Scripting Engines
1 rule 3 TTPsScripting engines such as WScript, CScript, and MSHTA are being used to make registry modifications, potentially for persistence or defense evasion.
Entra ID ADRS Token Request by Microsoft Authentication Broker
2 rules 2 TTPs 1 IOCDetects suspicious OAuth 2.0 token requests where the Microsoft Authentication Broker requests access to the Device Registration Service on behalf of a user principal, potentially indicating an attempt to abuse device registration for unauthorized persistence.
AWS IAM Login Profile Added for Root
2 rules 2 TTPsAn adversary with temporary root access in AWS may create a login profile for the root account to establish persistent console access, even if the original access keys are rotated or disabled.
First Time Python Process Creates macOS Launch Agent or Daemon
2 rules 2 TTPsThis rule detects the initial creation or modification of a macOS LaunchAgent or LaunchDaemon plist file by a Python process, a common persistence technique employed by attackers using malicious scripts, compromised dependencies, or model file deserialization.
Coder Code-Marketplace Zip Slip Vulnerability
2 rules 2 TTPsA Zip Slip vulnerability in coder/code-marketplace allows authenticated users to upload malicious VSIX files containing path traversal entries, leading to arbitrary file writes outside the extension directory and potentially enabling persistence.
BRICKSTORM Malware Targeting VMware vSphere Environments
2 rules 2 TTPsThe BRICKSTORM malware targets VMware vSphere environments, specifically vCenter Server Appliance (VCSA) and ESXi hypervisors, by exploiting weak security configurations to establish persistence at the virtualization layer, leading to administrative control and potential data exfiltration.
SSH Authorized Key File Modification Inside a Container
2 rules 4 TTPsThe rule detects the creation or modification of an authorized_keys file inside a container, a technique used by adversaries to maintain persistence on a victim host by adding their own public key(s) to enable unauthorized SSH access for lateral movement or privilege escalation.
Potential Abuse of msDS-ManagedAccountPrecededByLink for Privilege Escalation
2 rules 4 TTPsDetection of PowerShell scripts modifying the msDS-ManagedAccountPrecededByLink attribute, potentially indicating exploitation of the BadSuccessor privilege escalation vulnerability in Windows Server 2025.
@mobilenext/mobile-mcp Path Traversal Vulnerability
2 rules 2 TTPsThe @mobilenext/mobile-mcp package before version 0.0.49 is vulnerable to a Path Traversal vulnerability in the mobile_save_screenshot and mobile_start_screen_recording tools where the `saveTo` and `output` parameters are passed directly to filesystem operations without validation, potentially allowing an attacker to write files outside the intended workspace, leading to privilege escalation and persistence by overwriting sensitive host files.
OpenClaw Symlink Traversal via IDENTITY.md appendFile in agents.create/update
2 rules 2 TTPsOpenClaw is vulnerable to symlink traversal via IDENTITY.md appendFile in agents.create/update. An attacker who can place a symlink in the agent workspace can hijack the IDENTITY.md path to append attacker-controlled content to arbitrary files on the system leading to remote code execution, persistent code execution, unauthorized SSH access, or service disruption.
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.
Entra ID Federated Identity Credential Issuer Modified
2 rules 2 TTPsModification of the issuer URL of a federated identity credential in Entra ID can allow an attacker to authenticate as the application's service principal, granting persistent access to Azure resources by pointing to an attacker-controlled identity provider and bypassing normal authentication.
Persistnux - Linux Persistence Detection Tool
3 rules 3 TTPsPersistnux is a bash-based tool designed to identify known Linux persistence mechanisms used by attackers to maintain access to compromised systems, generating detailed reports for DFIR analysis.
Kubernetes Sensitive Role Creation or Modification
2 rules 2 TTPsThis rule detects the creation or modification of Kubernetes Roles or ClusterRoles that grant high-risk permissions, such as wildcard access or RBAC escalation verbs (e.g., bind, escalate, impersonate), potentially leading to privilege escalation or unauthorized access within the cluster.
Suspicious AWS EC2 Key Pair Import Activity
2 rules 1 TTPThe import of SSH key pairs into AWS EC2, as detected by CloudTrail logs, may indicate unauthorized access attempts, persistence establishment, or privilege escalation by an attacker.
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.
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.
GitHub SSH Certificate Configuration Changed
2 rules 4 TTPsAttackers can modify SSH certificate configurations in GitHub organizations to gain unauthorized access, persist in the environment, escalate privileges, and operate stealthily.
Potential Privilege Escalation via SUID/SGID on Linux
2 rules 2 TTPsAttackers may leverage misconfigured SUID/SGID permissions on Linux systems to escalate privileges to root or establish persistence by executing processes with root privileges initiated by non-root users.
Kubernetes Admission Controller Modification
2 rules 2 TTPsAn adversary modifies Kubernetes admission controller configurations to achieve persistence, escalate privileges, or gain unauthorized access to credentials within the cluster.
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.
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.
Suspicious ScreenConnect Client Child Process Activity
2 rules 11 TTPs 2 CVEsThis rule identifies suspicious child processes spawned by ScreenConnect client processes, potentially indicating unauthorized access and command execution abusing ScreenConnect remote access software to perform malicious activities such as data exfiltration or establishing persistence.
Okta Admin Console Unusual Behavior Detection
2 rules 4 TTPsThis brief details detection of anomalous activity within the Okta Admin Console, potentially indicating privilege escalation, persistence, defense evasion, or initial access attempts by malicious actors.
Azure AD Certificate-Based Authentication Enabled
2 rules 1 TTPEnabling certificate-based authentication (CBA) in Azure Active Directory can be abused by attackers to establish persistence, escalate privileges, and impair defenses.
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.
System File Ownership Change for Defense Evasion
3 rules 1 TTPAdversaries may modify file or directory ownership to evade access control lists (ACLs) and access protected files, often using icacls.exe or takeown.exe to reset permissions on system files.
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.
Detection of New GitHub Actions Secrets Creation
3 rules 3 TTPsThis analytic detects the creation of new GitHub Actions secrets at the organization, environment, codespaces, or repository level, potentially indicating malicious persistence or privilege escalation.
Suspicious Registry Modifications by Scripting Engines
2 rules 3 TTPsThe use of scripting engines like WScript and CScript to modify the Windows registry can indicate an attempt to bypass standard tools and evade defenses, potentially for persistence or other malicious activities.
Microsoft Office 'Office Test' Registry Persistence Abuse
2 rules 2 TTPsAttackers modify the Microsoft Office 'Office Test' Registry key to achieve persistence by specifying a malicious DLL that executes upon application startup.
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.
System Shells Launched via Windows Services
2 rules 4 TTPsAttackers may configure existing services or create new ones to execute system shells to elevate their privileges from administrator to SYSTEM, using services.exe as the parent process of the shell.
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.
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.
Google Workspace Suspicious Login Activity
3 rules 1 TTPDetect Google Workspace login activity that Google has classified as suspicious, potentially indicating initial access, privilege escalation, defense evasion, or persistence attempts.
Okta Identity Provider Creation Detected
3 rules 2 TTPsAn adversary may create a rogue identity provider within Okta to establish persistence and potentially escalate privileges by impersonating legitimate users or bypassing multi-factor authentication.
Potential Privilege Escalation via SUID/SGID Abuse on Linux
2 rules 3 TTPsThis rule detects potential privilege escalation attempts on Linux systems by identifying processes running with root privileges but initiated by non-root users, indicative of SUID/SGID abuse.
First Time Seen Remote Monitoring and Management Tool Execution
3 rulesDetects the execution of previously unseen remote monitoring and management (RMM) tools or remote access software on compromised Windows endpoints, often leveraged for command-and-control, persistence, and execution of malicious commands.
Okta Admin Role Assignment Creation
2 rules 1 TTPDetection of new admin role assignments in Okta, potentially indicating privilege escalation or persistence attempts by malicious actors.
Azure Authentication Method Change Detection
2 rules 3 TTPsAn attacker may add an authentication method to a compromised Azure account for persistent access, which can be detected by monitoring changes to authentication methods in Azure audit logs.
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.
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.
Uncommon Destination Port Connection by Web Server on Linux
2 rules 4 TTPsThe rule identifies unusual outbound network connections on non-standard ports originating from web server processes on Linux systems, indicative of potential web shell activity or unauthorized communication.
Unauthorized Removal of Azure Conditional Access Policy
2 rules 3 TTPsAn unauthorized actor removes a Conditional Access policy in Azure, potentially weakening the organization's security posture and enabling privilege escalation or credential access.
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.
Suspicious WerFault Child Process Abuse
2 rules 3 TTPsThis rule detects suspicious child processes of WerFault.exe, a Windows error reporting tool, indicating potential abuse of the SilentProcessExit registry key to execute malicious processes stealthily for defense evasion, persistence, and privilege escalation.
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.
Apache Struts CVE-2023-50164 Exploitation Leading to Web Shell Deployment
2 rules 3 TTPs 1 CVEExploitation of CVE-2023-50164, a critical path traversal vulnerability in Apache Struts 2, is detected by identifying malicious multipart/form-data POST requests with WebKitFormBoundary targeting Struts .action upload endpoints, followed by JSP web shell creation in Tomcat's webapps directories, indicating remote code execution.
GitHub Repository Archive Status Changed
2 rules 3 TTPsDetection of GitHub repository archiving or unarchiving events, which could indicate malicious activity such as persistence, impact, or defense impairment.
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.
Kubernetes Sensitive Role Creation or Modification
2 rules 2 TTPsDetects the creation or modification of Kubernetes Roles or ClusterRoles that grant high-risk permissions, such as wildcard access or RBAC escalation verbs, potentially leading to privilege escalation or unauthorized access within the cluster.
Azure AD Bitlocker Key Retrieval
2 rules 3 TTPsAn adversary with sufficient privileges in Azure Active Directory may attempt to retrieve BitLocker keys to decrypt drives for lateral movement or data exfiltration.
IIS HTTP Logging Disabled via AppCmd.exe
2 rules 2 TTPsDetection of adversaries disabling HTTP logging on IIS servers using AppCmd.exe, potentially evading detection by removing evidence of their actions.
Azure PIM Elevation Approved or Denied
2 rules 3 TTPsDetection of Azure Privileged Identity Management (PIM) elevation approvals or denials, which, if unexpected, may indicate unauthorized privilege escalation or malicious activity within an Azure environment.
Azure AD User Added to Global or Device Admin Role
2 rules 3 TTPsAn attacker may attempt to add a user to a high-privilege Azure AD role, such as Global Administrator or Device Administrator, to establish persistence, gain initial access, escalate privileges, or operate stealthily within the compromised environment.
Kubernetes Admission Webhook Manipulation for Persistence and Defense Evasion
2 rules 2 TTPsThe rule detects creation, modification, or deletion of Kubernetes MutatingWebhookConfigurations or ValidatingWebhookConfigurations by non-system identities, allowing attackers to inject malicious sidecars, block security tooling, or exfiltrate pod specifications.
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.
Suspicious AWS SAML Activity Detection
2 rules 3 TTPsThis rule identifies suspicious SAML activity in AWS, such as AssumeRoleWithSAML and UpdateSAMLProvider events, which could indicate an attacker gaining backdoor access, escalating privileges, or establishing persistence.
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.
Outlook Security Settings Registry Modification
2 rules 1 TTPAttackers modify Outlook security settings via registry changes to enable malicious mail rules and bypass security controls, potentially leading to persistence and data compromise.
O365 Advanced Audit Disabled
2 rules 1 TTPDetection of O365 advanced audit being disabled for a specific user, potentially allowing attackers to operate with reduced risk of detection, leading to unauthorized data access, data exfiltration, or account compromise.
Coldroot RAT Targeting macOS
2 rules 2 TTPs 2 IOCsThe Coldroot RAT is a cross-platform backdoor targeting macOS systems, providing remote attackers persistent access through a launch daemon, masquerading as an Apple audio driver, and beaconing to a command and control server.
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\.
Comprehensive Analysis of Mac Malware in 2017
3 rules 6 TTPsA comprehensive analysis of Mac malware discovered in 2017, detailing infection vectors, persistence mechanisms, features, and goals, including FruitFly, MacDownloader (iKitten), and others.
CrossRAT Multi-Platform Surveillanceware Analysis
2 rules 1 TTPCrossRAT is a Java-based, multi-platform surveillance tool targeting Windows, macOS, and Linux systems, capable of file system manipulation, screenshot capture, and persistence.
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.
Malicious Azure Kubernetes Admission Controller Configuration
2 rules 4 TTPsAn adversary can exploit Kubernetes Admission Controllers in Azure to achieve persistence, privilege escalation, or credential access by manipulating webhook configurations.
Azure AD Temporary Access Pass Added to Account
2 rules 4 TTPsDetection of a temporary access pass (TAP) being added to an Azure AD account, which could indicate potential privilege escalation, initial access, persistence, or stealth activity.
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 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.
Suspicious Modification of Sensitive Linux Files
3 rules 1 TTPThis threat brief covers the detection of suspicious processes modifying sensitive files on Linux systems, potentially indicating malicious attempts to persist, escalate privileges, or disrupt system operations.
Microsoft Office for Mac Sandbox Escape via Faulty Regex
2 rules 3 TTPsA vulnerability in Microsoft Office for Mac allows malicious code to escape the application's sandbox and achieve persistence by abusing a faulty regex for temporary files.
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 ConvertTo-AADIntBackdoor Execution via PowerShell
2 rules 4 TTPsThis brief outlines the detection of the ConvertTo-AADIntBackdoor command execution via PowerShell Script Block Logging, a technique used to create a backdoor in federated Azure AD domains by modifying federation settings and allowing attackers to control the authentication process.
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.
Azure AD User Password Reset Detection
2 rules 1 TTPDetects when a user successfully resets their own password in Azure Active Directory, which may indicate malicious activity or account compromise.
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.
Suspicious Scripts in the Startup Directory
2 rules 2 TTPsThis rule identifies script engines creating files or the creation of script files in the Windows Startup folder, a persistence technique used by adversaries to automatically execute scripts upon user login.
Linux Cron File Creation for Persistence
2 rules 1 TTPAn attacker may create new cron files in cron directories to establish persistence on a Linux system, potentially leading to privilege escalation and arbitrary code execution.
Detection of Privileged Identity Management (PIM) Settings Modifications
2 rules 4 TTPsDetects unauthorized or malicious modifications to Privileged Identity Management (PIM) settings within Azure environments, potentially leading to privilege escalation, persistence, and stealthy access by attackers.
Detection of Azure Service Principal Creation
3 rules 1 TTPDetects the creation of a service principal in Azure, which could indicate potential attacker activity for lateral movement or persistence.
AWS Identity Center Identity Provider Modification
2 rules 1 TTPAn adversary modifies the AWS Identity Center identity provider configuration, potentially leading to persistent access and privilege escalation through user impersonation.
AWS IAM User or Access Key Creation via S3 Browser
2 rules 2 TTPsThe use of S3 Browser to create IAM users or access keys in AWS environments indicates a potential privilege escalation, persistence, or initial access attempt by threat actors leveraging a known cloud administration tool.
Azure Application URI Configuration Modification
3 rules 4 TTPsDetection of Azure application URI modifications that can be indicative of malicious activity, such as using dangling URIs, non-HTTPS URIs, wildcard domains, or URIs pointing to uncontrolled domains, potentially leading to initial access, stealth, persistence, credential access, and privilege escalation.
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.
Suspicious Process Writing to Startup Folder for Persistence
2 rules 1 TTPAdversaries may establish persistence by writing malicious files to the Windows Startup folder, allowing them to automatically execute upon user logon; this detection identifies suspicious processes creating files in these locations.
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.
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.
Windows System Restore Disabled via Registry Modification
2 rules 1 TTPAttackers disable Windows System Restore by modifying specific registry keys to hinder recovery efforts after malicious activity.
Windows Scheduled Tasks AT Command Enabled via Registry Modification
2 rules 2 TTPsAttackers may enable the deprecated Windows AT command via registry modification to achieve local persistence or lateral movement.
Windows Root Certificate Modification Detection
2 rules 2 TTPsThe modification of root certificates on Windows systems by unauthorized processes can allow attackers to masquerade malicious files as valid signed components and intercept/decrypt SSL traffic, leading to defense evasion and data collection.
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 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 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 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 Defender Enhanced Notification Disabled via Registry Modification
2 rules 1 TTPAn attacker modifies the Windows Registry to disable Windows Defender's Enhanced Notification feature, preventing users from receiving security alerts and potentially allowing malicious activities to go unnoticed, ultimately enabling persistence and evasion.
Windows Application Hotkey Disablement via Registry Modification
2 rules 1 TTPAttackers disable Windows application hotkeys by modifying specific registry entries to hinder incident response and evade detection.
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 GPO Disabled
3 rules 1 TTPDetection of Active Directory Group Policy being disabled using the Group Policy Management Console, potentially indicating malicious attempts to weaken security controls.
Werfault ReflectDebugger Persistence via Registry Modification
2 rules 2 TTPsAttackers may establish persistence by modifying the ReflectDebugger registry key associated with Windows Error Reporting to execute arbitrary code when Werfault is invoked with the '-pr' parameter.
User Added to Privileged Group in Active Directory
2 rules 1 TTPAdversaries may add a user to a privileged group in Active Directory, such as Domain Admins, to maintain persistent access and elevate privileges within the domain.
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 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.
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.
Unauthorized Guest User Invitation Attempt in Azure
2 rules 1 TTPDetection of a failed attempt to invite an external guest user by an Azure user lacking the necessary permissions, potentially indicating privilege escalation or malicious insider activity.
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 Mofcomp Activity
2 rules 2 TTPsThis rule detects suspicious mofcomp.exe activity, which attackers may leverage MOF files to manipulate the Windows Management Instrumentation (WMI) repository for execution and persistence by filtering out legitimate processes and focusing on unusual executions, excluding known safe parent processes and system accounts.
Suspicious Modifications to Windows Security Support Provider (SSP) Registry
2 rules 2 TTPsAdversaries may modify the Windows Security Support Provider (SSP) configuration in the registry to establish persistence or evade defenses.
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 Azure PowerShell Module Installation via PowerShell Script
2 rules 5 TTPsDetection of Azure AD and cloud management modules installation via PowerShell Script Block Logging, potentially indicating reconnaissance, privilege escalation, or persistence operations by adversaries.
Suspicious AWS EC2 Key Pair Creation from Non-Cloud AS
2 rules 3 TTPsAn AWS EC2 CreateKeyPair event triggered by a new principal originating from a network autonomous system (AS) organization not associated with major cloud providers, indicating potential unauthorized access or persistence activity.
Startup or Run Key Registry Modification
3 rules 2 TTPsAttackers modify registry run keys or startup keys to achieve persistence by referencing a program that executes when a user logs in or the system boots.
Schtasks Run Task On Demand
2 rules 1 TTPDetection of on-demand execution of Windows Scheduled Tasks via the schtasks.exe command-line utility, a common technique for persistence and lateral movement.
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.
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.
Registry Persistence via AppCert DLL Modification
2 rules 2 TTPsDetection of registry modifications related to AppCert DLLs, a persistence mechanism where malicious DLLs are loaded by every process using common API functions.
Privileged Identity Management (PIM) Alerting Disabled
2 rules 1 TTPAn adversary disables Privileged Identity Management (PIM) alerts in Azure to evade detection and maintain persistent access with escalated privileges.
Potential Vcruntime140 DLL Sideloading
2 rules 3 TTPsDetects potential DLL sideloading of vcruntime140.dll, a common C++ runtime library, often used by threat actors like APT29 (via WinELOADER) to load malicious payloads under the guise of legitimate applications, leading to defense evasion, persistence, and privilege escalation.
Potential Port Monitor or Print Processor Registration Abuse
2 rules 4 TTPsThis rule detects registry modifications indicative of privilege escalation and persistence attempts by adversaries abusing port monitors and print processors to execute malicious DLLs with SYSTEM privileges on Windows systems.
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 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.
Persistence via WMI Event Subscription
2 rules 2 TTPsAdversaries can leverage Windows Management Instrumentation (WMI) to establish persistence by creating event subscriptions that trigger malicious code execution when specific events occur, using tools like wmic.exe to create event consumers.
Persistence via Visual Studio Tools for Office (VSTO) Add-ins
2 rules 1 TTPThe Visual Studio Tools for Office (VSTO) add-ins can be abused by attackers to establish persistence in Microsoft Office applications by modifying registry keys.
Okta MFA Reset or Deactivation Attempt
2 rules 1 TTPAn attacker attempts to disable or reset multi-factor authentication (MFA) for a user account in Okta, potentially leading to unauthorized access and account compromise.
Okta API Token Creation
2 rules 1 TTPDetection of Okta API token creation events which can indicate malicious persistence activity.
O365 Security Feature Modification
2 rules 1 TTPAttackers modify or disable Office 365 advanced security settings, such as AntiPhish, SafeLink, SafeAttachment, or Malware policies, to evade detection and operate with reduced risk within the target tenant.
New ActiveSync Allowed Device Added via PowerShell
2 rules 3 TTPsThe rule detects the use of the Exchange PowerShell cmdlet, Set-CASMailbox, to add a new ActiveSync allowed device, potentially allowing attackers to gain persistent access to sensitive email data by adding unauthorized devices.
Network Logon Provider Registry Modification
2 rules 2 TTPsAdversaries may modify the network logon provider registry to register a rogue network logon provider module for persistence and credential access by intercepting authentication credentials in clear text during user logon.
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.
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.
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.
Get-Variable.exe Hijacking for Persistence
2 rules 1 TTPAttackers can establish persistence by placing a malicious Get-Variable.exe in the WindowsApps folder, hijacking the legitimate PowerShell cmdlet and executing upon PowerShell window initialization, as seen with the Colibri malware.
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.
Executable or Script Creation in Temporary Paths
2 rules 1 TTPAdversaries may create executables or scripts in temporary directories to evade detection, maintain persistence, and execute unauthorized code on Windows systems.
Detection of Processes Launching netsh.exe for Malicious Purposes
2 rulesDetection of netsh.exe execution by unusual processes indicative of potential malicious activity, including persistence and network configuration changes by threat actors.
Detection of Privileged Account Creation in Azure
2 rules 3 TTPsDetects the creation of new privileged accounts in Azure environments, potentially indicating initial access, persistence, privilege escalation, or stealth activities by malicious actors.
Detection of Okta Administrator Role Assignment to User or Group
2 rules 1 TTPDetects the assignment of an Okta administrator role to a user or group, potentially indicating privilege escalation or persistence attempts by malicious actors.
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.
Detecting Persistence via Parsing macOS Login Item Files
2 rules 1 TTPThis brief details a method for parsing macOS login item files to detect persistence mechanisms employed by malware or threat actors.
Detect Windows Downdate Registry Activity
2 rules 2 TTPsThis detection identifies registry modifications associated with the Windows Downdate attack, specifically focusing on pending.xml file modifications outside standard locations, which could force a Windows downgrade for exploitation.
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.
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.
Chmod Activity Targeting Sensitive Linux Directories
2 rules 1 TTPAttackers may use chmod to modify file permissions within sensitive Linux directories such as /tmp/, /etc/, and /opt/ to maintain persistence, escalate privileges, or disrupt system operations.
Azure Subscription Permission Elevation via Activity Logs
2 rules 1 TTPAn attacker elevates their Azure subscription permissions to manage all subscriptions, potentially leading to unauthorized access and control over the environment.
Azure AD MFA Disabled to Bypass Authentication
2 rules 1 TTPAn adversary may disable multi-factor authentication (MFA) in Azure Active Directory to weaken an organization's security posture and bypass authentication mechanisms, potentially gaining unauthorized access to sensitive resources and maintaining persistence.
AWS EC2 Stop, Start, and User Data Modification Correlation
3 rules 2 TTPsDetection of a sequence of AWS EC2 management API calls indicative of malicious modification of instance user data to execute arbitrary code upon instance restart, potentially leading to privilege escalation and persistence.
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 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.
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.
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.
Potential Persistence via Time Provider Modification
2 rules 2 TTPsAdversaries may establish persistence by registering and enabling a malicious DLL as a time provider by modifying registry keys associated with the W32Time service.
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.
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.
Linux Auditd Detects Firewall Modification or Disabling
3 rules 1 TTPThe analytic detects suspicious disabling or modification of the system firewall on Linux systems, which can indicate unauthorized access or attempts to maintain control over a system by disabling host protections.
Image File Execution Options (IFEO) Injection for Persistence and Defense Evasion
3 rules 2 TTPsAttackers can establish persistence and evade defenses by modifying the Debugger and SilentProcessExit registry keys to perform Image File Execution Options (IFEO) injection, allowing them to intercept file executions and run malicious code.
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.
Adobe RdrCEF.exe Hijack for Persistence
2 rules 2 TTPsAttackers can maintain persistence by replacing the legitimate RdrCEF.exe executable with a malicious one, which is executed every time Adobe Acrobat Reader is launched.
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.
Persistence via PowerShell Profile Modification
2 rules 2 TTPsAttackers can modify PowerShell profiles to inject malicious code that executes each time PowerShell starts, establishing persistence on a Windows system.
Azure AD Account Created and Deleted Within a Close Time Frame
2 rules 3 TTPsDetection of Azure Active Directory accounts that are created and deleted within a short timeframe, potentially indicating malicious activity such as privilege escalation or persistence attempts.
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.
AWS Root Account Usage Detected
3 rules 3 TTPsThe AWS root account, which grants unrestricted access to all resources within an AWS account, was used, potentially indicating unauthorized activity, privilege escalation, or a breach of security best practices.
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 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.
Unauthorized Guest User Invitations in Azure AD
2 rules 3 TTPsDetection of unauthorized guest user invitations within an Azure Active Directory tenant, indicating potential privilege escalation, persistence, or initial access attempts.
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.
S3 Browser Used to Create IAM Login Profiles
2 rules 2 TTPsThe S3 Browser utility is being used to enumerate IAM users lacking login profiles and subsequently create them, potentially for reconnaissance, persistence, and privilege escalation within AWS environments.
Remote Registry Lateral Movement via RPC Firewall
2 rules 3 TTPsThis brief details detection of lateral movement attempts using remote RPC calls to modify the registry, potentially leading to code execution, detected via RPC Firewall logs.
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.
Mac File Opener Adware Persists via Document Handler Registration
2 rules 1 TTPThe 'Mac File Opener' adware achieves persistence by registering itself as a document handler for numerous file types, leveraging the Launch Services Daemon (lsd) to automatically parse the application's Info.plist and register the handlers.
Detection of Level RMM Watchdog Task Creation
2 rules 2 TTPsThe creation of the 'Level Watchdog' task, indicative of the Level remote management tool installation, is detected, highlighting the potential abuse of legitimate RMM tools for persistence and execution by threat actors on Windows systems.
Detecting Suspicious Scheduled Task Creation in Windows
2 rules 1 TTPThis rule detects the creation of scheduled tasks in Windows using event logs, which adversaries may use for persistence, lateral movement, or privilege escalation by creating malicious tasks.
Azure Domain Federation Settings Modified
2 rules 2 TTPsAn attacker may modify Azure domain federation settings to establish persistence, escalate privileges, or gain unauthorized access to resources.