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SigmaHQ Detections

@sigmaHQ
12 followers122,429 downloads2,470 copies16 likes159,532 views

6,797 detections

Detects the execution of WMIC with the "format" flag to potentially load local XSL files.
Adversaries abuse this functionality to execute arbitrary files while potentially bypassing application whitelisting defenses.
Extensible Stylesheet Language (XSL) files are commonly used to describe the processing and rendering of data within XML files.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
Detects NetNTLM downgrade attack
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
Detects tampering with the "ChannelAccess" registry key in order to change access to Windows event channel.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
Detects tampering with the MacroRuntimeScanScope registry key to disable runtime scanning of enabled macros
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
Detects when an attacker or tool disables the Windows Defender service (WinDefend) via the registry
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
Detects tampering with the "Enabled" registry key in order to disable Windows logging of a Windows event channel
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
Detects the disabling of the Windows Defender eventlog as seen in relation to Lockbit 3.0 infections
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
Detects when the "index" value of a scheduled task is modified from the registry
Which effectively hides it from any tooling such as "schtasks /query" (Read the referenced link for more information about the effects of this technique)
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
Detects changes to the registry value "PythonFunctionWarnings" that would prevent any warnings or alerts from showing when Python functions are about to be executed.
Threat actors could run malicious code through the new Microsoft Excel feature that allows Python to run within the spreadsheet.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
Detects changes to the "TracingDisabled" key in order to disable ETW logging for services.exe (SCM)
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
003
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