Detection rules › Sigma

Windows Defender Threat Detection Service Disabled

Status
stable
Severity
medium
Log source
product windows, service system
Author
Ján Trenčanský, frack113
Source
github.com/SigmaHQ/sigma

Detects when the "Windows Defender Threat Protection" service is disabled.

MITRE ATT&CK coverage

TacticTechniques
Defense ImpairmentT1685 Disable or Modify Tools

Event coverage

Rule body yaml

title: Windows Defender Threat Detection Service Disabled
id: 6c0a7755-6d31-44fa-80e1-133e57752680
related:
    - id: fe34868f-6e0e-4882-81f6-c43aa8f15b62
      type: derived
status: stable
description: Detects when the "Windows Defender Threat Protection" service is disabled.
references:
    - https://learn.microsoft.com/en-us/defender-endpoint/troubleshoot-microsoft-defender-antivirus
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1562.001/T1562.001.md
author: Ján Trenčanský, frack113
date: 2020-07-28
modified: 2024-07-02
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: windows
    service: system
detection:
    selection:
        EventID: 7036
        Provider_Name: 'Service Control Manager'
        # Note: The service name and messages are localized
        param1:
            - 'Windows Defender Antivirus Service'
            - 'Service antivirus Microsoft Defender' # French OS
        param2:
            - 'stopped'
            - 'arrêté' # French OS
    condition: selection
falsepositives:
    - Administrator actions
    - Auto updates of Windows Defender causes restarts
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID: 7036
    Provider_Name: 'Service Control Manager'
    param1:
        - 'Windows Defender Antivirus Service'
        - 'Service antivirus Microsoft Defender'
    param2:
        - 'stopped'
        - 'arrêté'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Provider_Nameeq
  • Service Control Manager corpus 50 (sigma 50)
param1eq
  • Service antivirus Microsoft Defender
  • Windows Defender Antivirus Service
param2eq
  • arrêté
  • stopped corpus 2 (sigma 1, splunk 1)