Elastic Security Detection Rules

PowerShell Script with Webcam Video Capture Capabilities

Last updated 8 days ago on 2026-01-26
Created 3 years ago on 2023-07-18

About

Detects PowerShell script block content that references webcam capture APIs or video capture device objects. Attackers use webcam recording to surveil victims or collect sensitive footage for extortion.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: CollectionData Source: PowerShell LogsLanguage: kuery
Severity
medium
Risk Score
47
MITRE ATT&CK™

Collection (TA0009)(external, opens in a new tab or window)

↳ Video Capture (T1125)(external, opens in a new tab or window)

Execution (TA0002)(external, opens in a new tab or window)

↳ Command and Scripting Interpreter (T1059)(external, opens in a new tab or window)

License
Elastic License v2(external, opens in a new tab or window)

Definition

Rule Type
Query (Kibana Query Language)
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
winlogbeat-*logs-windows.powershell*
Related Integrations

windows(external, opens in a new tab or window)

Query
text code block:
event.category:process and host.os.type:windows and
  powershell.file.script_block_text : (
    "NewFrameEventHandler" or
    "VideoCaptureDevice" or
    "DirectX.Capture.Filters" or
    "VideoCompressors" or
    "Start-WebcamRecorder" or
    (
      ("capCreateCaptureWindowA" or
       "capCreateCaptureWindow" or
       "capGetDriverDescription") and
      ("avicap32.dll" or "avicap32")
    )
  )

Install detection rules in Elastic Security

Detect PowerShell Script with Webcam Video Capture Capabilities in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).