Detectionlowtest
PowerShell Module File Created
Detects the creation of a new PowerShell module ".psm1", ".psd1", ".dll", ".ps1", etc.
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Nasreddine Bencherchali (Nextron Systems)Created Tue May 09e36941d0-c0f0-443f-bc6f-cb2952eb69eawindows
Log Source
WindowsFile Event
ProductWindows← raw: windows
CategoryFile Event← raw: file_event
Events for file system activity including creation, modification, and deletion.
Detection Logic
Detection Logic1 selector
detection:
selection:
Image|endswith:
- '\powershell.exe'
- '\pwsh.exe'
TargetFilename|contains:
- '\WindowsPowerShell\Modules\'
- '\PowerShell\7\Modules\'
condition: selectionFalse Positives
Likely
References
1
2Resolving title…
Internal ResearchResolving title…
learn.microsoft.comMITRE ATT&CK
Tactics
Rule Metadata
Rule ID
e36941d0-c0f0-443f-bc6f-cb2952eb69ea
Status
test
Level
low
Type
Detection
Created
Tue May 09
Path
rules/windows/file/file_event/file_event_win_powershell_module_creation.yml
Raw Tags
attack.persistence