sigmahighHunting

Windows Defender Service Disabled - Registry

Detects when an attacker or tool disables the Windows Defender service (WinDefend) via the registry

MITRE ATT&CK

Detection Query

selection:
  TargetObject|endswith: \Services\WinDefend\Start
  Details: DWORD (0x00000004)
condition: selection

Author

Ján Trenčanský, frack113, AlertIQ, Nasreddine Bencherchali

Created

2022-08-01

Data Sources

windowsRegistry Set Events

Platforms

windows

References

Tags

attack.defense-impairmentattack.t1685

Raw Content

title: Windows Defender Service Disabled - Registry
id: e1aa95de-610a-427d-b9e7-9b46cfafbe6a
status: test
description: Detects when an attacker or tool disables the  Windows Defender service (WinDefend) via the registry
references:
    - https://thedfirreport.com/2021/10/18/icedid-to-xinglocker-ransomware-in-24-hours/
    - https://gist.github.com/anadr/7465a9fde63d41341136949f14c21105
author: Ján Trenčanský, frack113, AlertIQ, Nasreddine Bencherchali
date: 2022-08-01
modified: 2024-03-25
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: windows
    category: registry_set
detection:
    selection:
        TargetObject|endswith: '\Services\WinDefend\Start'
        Details: 'DWORD (0x00000004)'
    condition: selection
falsepositives:
    - Administrator actions
level: high