PowerShell Module File Created

calendar Aug 12, 2024 · attack.persistence  ·
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Detects the creation of a new PowerShell module ".psm1", ".psd1", ".dll", ".ps1", etc.

Sigma rule (View on GitHub)

 1title: PowerShell Module File Created
 2id: e36941d0-c0f0-443f-bc6f-cb2952eb69ea
 3status: test
 4description: Detects the creation of a new PowerShell module ".psm1", ".psd1", ".dll", ".ps1", etc.
 5references:
 6    - Internal Research
 7    - https://learn.microsoft.com/en-us/powershell/scripting/developer/module/understanding-a-windows-powershell-module?view=powershell-7.3
 8author: Nasreddine Bencherchali (Nextron Systems)
 9date: 2023-05-09
10tags:
11    - attack.persistence
12logsource:
13    category: file_event
14    product: windows
15detection:
16    selection:
17        Image|endswith:
18            - '\powershell.exe'
19            - '\pwsh.exe'
20        TargetFilename|contains:
21            - '\WindowsPowerShell\Modules\'
22            - '\PowerShell\7\Modules\'
23    condition: selection
24falsepositives:
25    - Likely
26level: low

References

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