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SigmaHQ Detections

@sigmaHQ
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6,800 detections

Detects when a shell program such as the Windows command prompt or PowerShell is launched with system privileges from a uncommon parent location.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
It is extremely abnormal for svchost.exe to spawn without any CLI arguments and is normally observed when a malicious process spawns the process and injects code into the process memory space.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
Detects modifications to User Shell Folders registry values via reg.exe or PowerShell, which could indicate persistence attempts.
Attackers may modify User Shell Folders registry values to point to malicious executables or scripts that will be executed during startup.
This technique is often used to maintain persistence on a compromised system by ensuring that malicious payloads are executed automatically.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
Detects an attempt to execute code or create service on remote host via winrm.vbs.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
Detects the execution of Windows binaries from within a WSL instance.
This could be used to masquerade parent-child relationships
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
Detects when the "index" value of a scheduled task is removed or deleted from the registry. Which effectively hides it from any tooling such as "schtasks /query"
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
Remove SD (Security Descriptor) value in \Schedule\TaskCache\Tree registry hive to hide schedule task. This technique is used by Tarrask malware
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
Unfixed method for UAC bypass from Windows 10. WSReset.exe file associated with the Windows Store. It will run a binary file contained in a low-privilege registry.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
Detects potential malicious modification of the property value of IsCredGuardEnabled from
HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\WDigest to disable Cred Guard on a system.
This is usually used with UseLogonCredential to manipulate the caching credentials.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
Detects attempts to disable AMSI (Anti-Malware Scan Interface) by modifying the AmsiEnable registry value.
Anti-Malware Scan Interface (AMSI) is a security feature in Windows that allows applications and services to integrate with anti-malware products for enhanced protection against malicious content.
Adversaries may attempt to disable AMSI to evade detection by security software, allowing them to execute malicious scripts or code without being scanned.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
002
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