Sigma rule: Audio Capture via PowerShell

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-39d43666da51, updated 2023-04-06T00:00:00.000Z.

Rule

Title
Audio Capture via PowerShell
Status
test
Level
medium
Author
E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community, Nasreddine Bencherchali (Nextron Systems)
Date
2019-10-24
Modified
2023-04-06
File
rules/windows/process_creation/proc_creation_win_powershell_audio_capture.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects audio capture via PowerShell Cmdlet.

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains:
        - 'WindowsAudioDevice-Powershell-Cmdlet'
        - 'Toggle-AudioDevice'
        - 'Get-AudioDevice '
        - 'Set-AudioDevice '
        - 'Write-AudioDevice '
condition: selection

False positives (as the rule lists them)

  • Legitimate audio capture by legitimate user.

Tags

  • attack.collection
  • attack.t1123

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_powershell_audio_capture.yml

Sources and licences

  • SigmaHQ

    "Audio Capture via PowerShell" by E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community, Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_powershell_audio_capture.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Audio Capture via PowerShell",
entity page, dataset version ref-39d43666da51, updated 2023-04-06T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/932fb0d8-692b-4b0f-a26e-5643a50fe7d6 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 932fb0d8-692b-4b0f-a26e-5643a50fe7d6, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.