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Detection rules › Sigma

Windows Defender Submit Sample Feature Disabled

Status
stable
Severity
low
Log source
product windows, service windefend
Author
Nasreddine Bencherchali (Nextron Systems)
Source
github.com/SigmaHQ/sigma

Detects disabling of the "Automatic Sample Submission" feature of Windows Defender.

Known false positives

  • Administrator activity (must be investigated)

MITRE ATT&CK coverage

TacticTechniques
Defense Impairment

Telemetry coverage

ProviderRecord / event type
Windows-DefenderEvent ID 5007: Product Name Configuration has changed.

Rule body

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

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID: 5007
    NewValue|contains: '\Real-Time Protection\SubmitSamplesConsent = 0x0'

Indicators

These rows show field, operator, and value matches.

FieldKindValuesSearch
NewValuematch
  • \Real-Time Protection\SubmitSamplesConsent = 0x0
field:"Details" kind:match value:"\Real-Time Protection\SubmitSamplesConsent = 0x0"