Audio Capture via PowerShell

Title: Audio Capture via PowerShell
Status: test
Description:Detects audio capture via PowerShell Cmdlet.
References:
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1123/T1123.md
  -https://eqllib.readthedocs.io/en/latest/analytics/ab7a6ef4-0983-4275-a4f1-5c6bd3c31c23.html
  -https://github.com/frgnca/AudioDeviceCmdlets
Author: E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community, Nasreddine Bencherchali (Nextron Systems)
Date: 2019-10-24
modified:2023-04-06
Tags:

• -'attack.collection'
• -'attack.t1123'

Logsource:

• category: process_creation
• product: windows

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

  condition:selection
Falsepositives:
  -Legitimate audio capture by legitimate user.
Level: medium