collection_posh_webcam_video_capture.toml

[metadata]
creation_date = "2023/07/18"
integration = ["windows"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/10/19"
bypass_bbr_timing = true

[rule]
author = ["Elastic"]
description = """
Detects PowerShell scripts that can be used to record webcam video. Attackers can capture this information to extort or
spy on victims.
"""
from = "now-9m"
index = ["winlogbeat-*", "logs-windows.*"]
language = "kuery"
license = "Elastic License v2"
name = "PowerShell Script with Webcam Video Capture Capabilities"
references = ["https://github.com/EmpireProject/Empire/blob/master/lib/modules/powershell/collection/WebcamRecorder.py"]
risk_score = 21
rule_id = "eb44611f-62a8-4036-a5ef-587098be6c43"
setup = """
The 'PowerShell Script Block Logging' logging policy must be enabled.
Steps to implement the logging policy with Advanced Audit Configuration:

```
Computer Configuration >
Administrative Templates >
Windows PowerShell >
Turn on PowerShell Script Block Logging (Enable)
```

Steps to implement the logging policy via registry:

```
reg add "hklm\\SOFTWARE\\Policies\\Microsoft\\Windows\\PowerShell\\ScriptBlockLogging" /v EnableScriptBlockLogging /t REG_DWORD /d 1
```
"""
severity = "low"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Collection", "Data Source: PowerShell Logs", "Rule Type: BBR"]
timestamp_override = "event.ingested"
building_block_type = "default"
type = "query"

query = '''
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")
    )
  )
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1125"
name = "Video Capture"
reference = "https://attack.mitre.org/techniques/T1125/"


[rule.threat.tactic]
id = "TA0009"
name = "Collection"
reference = "https://attack.mitre.org/tactics/TA0009/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1059"
name = "Command and Scripting Interpreter"
reference = "https://attack.mitre.org/techniques/T1059/"
[[rule.threat.technique.subtechnique]]
id = "T1059.001"
name = "PowerShell"
reference = "https://attack.mitre.org/techniques/T1059/001/"



[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"