Windows Defender Submit Sample Feature Disabled — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems). Source status: stable; severity: low. Source dates: 2022-12-06 / not supplied.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 9564cb47ac86ef4c752ede232ad98d5772277096a760f63b132a941c59fba41c

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 Submit Sample Feature Disabled
id: 91903aba-1088-42ee-b680-d6d94fe002b0
related:
    - id: 1321dc4e-a1fe-481d-a016-52c45f0c8b4f
      type: similar
    - id: a3ab73f1-bd46-4319-8f06-4b20d0617886
      type: similar
    - id: 801bd44f-ceed-4eb6-887c-11544633c0aa
      type: similar
status: stable
description: Detects disabling of the "Automatic Sample Submission" feature of Windows Defender.
references:
    - https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide
    - https://bidouillesecurity.com/disable-windows-defender-in-powershell/#DisableAntiSpyware
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-06
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: windows
    service: windefend
detection:
    selection:
        EventID: 5007 # The antimalware platform configuration changed.
        NewValue|contains: '\Real-Time Protection\SubmitSamplesConsent = 0x0'
    condition: selection
falsepositives:
    - Administrator activity (must be investigated)
level: low

Original YAML and metadata in JSON

False positives

• Administrator activity (must be investigated)

Source references

• https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus?view=o365-worldwide
• https://bidouillesecurity.com/disable-windows-defender-in-powershell/#DisableAntiSpyware