sigmamediumHunting

Audio Capture via PowerShell

Detects audio capture via PowerShell Cmdlet.

MITRE ATT&CK

collection

Detection Query

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

Author

E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community, Nasreddine Bencherchali (Nextron Systems)

Created

2019-10-24

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.collectionattack.t1123

Raw Content

title: Audio Capture via PowerShell
id: 932fb0d8-692b-4b0f-a26e-5643a50fe7d6
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