Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

3,347 detections

Adversaries may modify file time attributes to hide new or changes to existing files.
Timestomping is a technique that modifies the timestamps of a file (the modify, access, create, and change times), often to mimic files that are in the same folder.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Adversaries may establish persistence and elevate privileges by executing malicious content triggered by a Windows Management Instrumentation (WMI) event subscription.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Detects deletion of Windows Volume Shadow Copies with PowerShell code and Get-WMIObject. This technique is used by numerous ransomware families such as Sodinokibi/REvil
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Adversaries may log user keystrokes to intercept credentials as the user types them.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
101
Adversaries may attempt to take screen captures of the desktop to gather information over the course of an operation.
Screen capturing functionality may be included as a feature of a remote access tool used in post-compromise operations
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
001
Adversaries may abuse PowerShell commands and scripts for execution.
PowerShell is a powerful interactive command-line interface and scripting environment included in the Windows operating system. (Citation: TechNet PowerShell)
Adversaries can use PowerShell to perform a number of actions, including discovery of information and execution of code
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
4 years ago
000
Open a handle on the drive volume via the \\.\ DOS device path specifier and perform direct access read of the first few bytes of the volume.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
5 years ago
000
Adversaries may employ various system checks to detect and avoid virtualization and analysis environments.
This may include changing behaviors based on the results of checks for the presence of artifacts indicative of a virtual machine environment (VME) or sandbox
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
5 years ago
001
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