Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the execution of common system administration tools (cmd, powershell, net, nltest, etc.) used to perform environment discovery or credential enumeration, specifically when targeting Domain Controllers, Active Directory objects, database credentials, or sensitive configuration files.
Detects a suspicious sequence of activities where PowerShell downloads or extracts specific zip files (node.zip, build.zip) to staging directories, followed by the execution of associated binaries like node.exe, winpty-agent.exe, or winpty.dll from those same locations. This behavior is indicative of an adversary staging and executing tooling within temporary user directories.
This rule detects attempts by users to disable or clear command line history logs for shell environments, including PowerShell (e.g., modifying PSReadLine history) and Unix-like shells (e.g., unset HISTFILE, setting HISTSIZE to 0, or disabling history collection). Such actions are frequently performed by adversaries to hinder incident response and forensic analysis by obscuring their post-exploitation activity.
This rule detects attempts by users to disable or clear command line history logs for shell environments, including PowerShell (e.g., modifying PSReadLine history) and Unix-like shells (e.g., unset HISTFILE, setting HISTSIZE to 0, or disabling history collection). Such actions are frequently performed by adversaries to hinder incident response and forensic analysis by obscuring their post-exploitation activity.
Detect built in PowerShell cmdlet Disable-WindowsOptionalFeature, Deployment Image Servicing and Management tool.
Similar to DISM.exe, this cmdlet is used to enumerate, install, uninstall, configure, and update features and packages in Windows images
Similar to DISM.exe, this cmdlet is used to enumerate, install, uninstall, configure, and update features and packages in Windows images
Detects the execution of command interpreters (PowerShell, CMD, WindowsTerminal) spawned by common user-facing applications (Explorer, WindowsTerminal, DLLHost) where the command line arguments contain keywords associated with automated human verification (e.g., CAPTCHA, bot detection) and suspicious download/execution patterns (e.g., iex, base64). This behavior is characteristic of malicious automated scripts or malware attempting to bypass security challenges via interactive shells.
This rule detects the execution of powershell.exe with command-line arguments that utilize 'curl' to download a file from a specific remote IP address (103.86.86.244). This behavior is characteristic of adversaries using built-in Windows tools or redirected utilities to perform ingress tool transfer as part of a malicious payload delivery.
Detects the use of PowerShell to modify Windows Defender security settings by adding exclusion paths or processes. This behavior is indicative of an adversary attempting to whitelist malicious files or processes to evade detection by the antivirus solution.
Detects the use of PowerShell to modify Windows Defender security settings by adding exclusion paths or processes. This behavior is indicative of an adversary attempting to whitelist malicious files or processes to evade detection by the antivirus solution.
Detects the use of PowerShell to modify Windows Defender security settings by adding exclusion paths or processes. This behavior is indicative of an adversary attempting to whitelist malicious files or processes to evade detection by the antivirus solution.
This rule detects potentially malicious PowerShell execution patterns involving hidden windows, administrative elevation via 'Start-Process -Verb RunAs', and the targeting or execution of rsetup64.exe within specific system paths. It also flags execution chains where 'net session' commands, often used for discovery or local privilege verification, are piped to null and followed by or initiate the same target executables, suggesting lateral movement or persistence attempts.
Detects PEEP Secure Preferences integrity-hash forgery (protection.macs/super_mac) and known PEEP persistence scripts (patch_secure_prefs.ps1, install_silent.ps1, force_enable.ps1), anchored to actual Chrome/Edge profile paths rather than generic terms like 'protection' or 'developer_mode' that appear in unrelated admin tooling.
Detects PEEP Secure Preferences integrity-hash forgery (protection.macs/super_mac) and known PEEP persistence scripts (patch_secure_prefs.ps1, install_silent.ps1, force_enable.ps1), anchored to actual Chrome/Edge profile paths rather than generic terms like 'protection' or 'developer_mode' that appear in unrelated admin tooling.
Detects the use of PowerShell commands to add directory exclusions to Windows Defender settings. Adversaries often use this technique to exclude directories in 'AppData' from being scanned by antivirus solutions to hide malicious activity, tools, or persistence mechanisms.
Detects the use of PowerShell commands to add directory exclusions to Windows Defender settings. Adversaries often use this technique to exclude directories in 'AppData' from being scanned by antivirus solutions to hide malicious activity, tools, or persistence mechanisms.
This rule detects the use of PowerShell to modify Microsoft Defender settings to disable real-time, behavior, and IOAV protection, while simultaneously adding a full-drive exclusion for the root directory (C:\). This behavior is characteristic of an adversary attempting to disable security monitoring to facilitate further malicious activity or avoid detection.
This rule detects the use of PowerShell to modify Microsoft Defender settings to disable real-time, behavior, and IOAV protection, while simultaneously adding a full-drive exclusion for the root directory (C:\). This behavior is characteristic of an adversary attempting to disable security monitoring to facilitate further malicious activity or avoid detection.
This rule detects the use of PowerShell to modify Microsoft Defender settings to disable real-time, behavior, and IOAV protection, while simultaneously adding a full-drive exclusion for the root directory (C:\). This behavior is characteristic of an adversary attempting to disable security monitoring to facilitate further malicious activity or avoid detection.
Detects the use of PowerShell to add Microsoft Defender exclusions (paths or extensions) where the process was initiated by or involves LockAppHost.exe. This behavior is indicative of an attempt to bypass security protections by excluding malicious artifacts from scanning.
Detects evidence of PowerShell AMSI (Antimalware Scan Interface) bypass attempts, including memory patching of amsiContext, usage of known malicious RC4 keys, or reflection-based tampering with AmsiUtils. These techniques are commonly used by attackers to disable AMSI scanning capabilities and execute malicious scripts undetected.
Detects evidence of PowerShell AMSI (Antimalware Scan Interface) bypass attempts, including memory patching of amsiContext, usage of known malicious RC4 keys, or reflection-based tampering with AmsiUtils. These techniques are commonly used by attackers to disable AMSI scanning capabilities and execute malicious scripts undetected.
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