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SigmaHQ Detections

@sigmaHQ
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6,800 detections

Detects Obfuscated Powershell via use Rundll32 in Scripts
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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Detects Obfuscated Powershell via VAR++ LAUNCHER
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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Detects modification of dMSA link attributes (msDS-ManagedAccountPrecededByLink) via PowerShell scripts.
This command line pattern could be an indicator an attempt to exploit the BadSuccessor privilege escalation vulnerability in Windows Server 2025.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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Detects PowerShell module creation where the module Contents are set to "function Get-VMRemoteFXPhysicalVideoAdapter". This could be a sign of potential abuse of the "RemoteFXvGPUDisablement.exe" binary which is known to be vulnerable to module load-order hijacking.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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Detects Base64 encoded Shellcode
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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Detects usage of certain functions and keywords that are used to manipulate security descriptors in order to potentially set a backdoor. As seen used in the DAMP project.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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Detects usage of known powershell cmdlets such as "Clear-EventLog" to clear the Windows event logs
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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Detects execution of "TroubleshootingPack" cmdlets to leverage CVE-2022-30190 or action similar to "msdt" lolbin (as described in LOLBAS)
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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Detects when when a mounted share is removed. Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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Detects usage of the "Write-EventLog" cmdlet with 'RawData' flag. The cmdlet can be levreage to write malicious payloads to the EventLog and then retrieve them later for later use
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
7 months ago
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