Windows Defender Virus Scanning Feature Disabled — Sigma Rule

Rule metadata and linked tags

Author: Ján Trenčanský, frack113. Source status: stable; severity: high. Source dates: 2020-07-28 / 2023-11-22.

{
  "product": "windows",
  "service": "windefend"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 2aed60316e364194b2e49ff10efa57fa50c1c2ee44e9f9b5c3ba139408665cf7

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Windows Defender Virus Scanning Feature Disabled
id: 686c0b4b-9dd3-4847-9077-d6c1bbe36fcb
related:
    - id: fe34868f-6e0e-4882-81f6-c43aa8f15b62
      type: obsolete
status: stable
description: Detects disabling of the Windows Defender virus scanning feature
references:
    - https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide#event-id-5012
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md
    - https://craigclouditpro.wordpress.com/2020/03/04/hunting-malicious-windows-defender-activity/
author: Ján Trenčanský, frack113
date: 2020-07-28
modified: 2023-11-22
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: windows
    service: windefend
detection:
    selection:
        EventID: 5012 # Scanning for viruses is disabled.
    condition: selection
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide#event-id-5012
• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md
• https://craigclouditpro.wordpress.com/2020/03/04/hunting-malicious-windows-defender-activity/