sigmahighHunting

Potential Windows Defender Tampering Via Wmic.EXE

Detects potential tampering with Windows Defender settings such as adding exclusion using wmic

MITRE ATT&CK

defense-evasionexecution

Detection Query

selection_img:
  - OriginalFileName: wmic.exe
  - Image|endswith: \WMIC.exe
selection_cli:
  CommandLine|contains: /Namespace:\\\\root\\Microsoft\\Windows\\Defender
condition: all of selection_*

Author

frack113

Created

2022-12-11

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.defense-evasionattack.executionattack.t1047attack.t1562

Raw Content

title: Potential Windows Defender Tampering Via Wmic.EXE
id: 51cbac1e-eee3-4a90-b1b7-358efb81fa0a
status: test
description: Detects potential tampering with Windows Defender settings such as adding exclusion using wmic
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/5c1e6f1b4fafd01c8d1ece85f510160fc1275fbf/atomics/T1562.001/T1562.001.md
    - https://www.bleepingcomputer.com/news/security/gootkit-malware-bypasses-windows-defender-by-setting-path-exclusions/
    - https://www.bleepingcomputer.com/news/security/iobit-forums-hacked-to-spread-ransomware-to-its-members/
author: frack113
date: 2022-12-11
modified: 2023-02-14
tags:
    - attack.defense-evasion
    - attack.execution
    - attack.t1047
    - attack.t1562
logsource:
    product: windows
    category: process_creation
detection:
    selection_img:
        - OriginalFileName: 'wmic.exe'
        - Image|endswith: '\WMIC.exe'
    selection_cli:
        CommandLine|contains: '/Namespace:\\\\root\\Microsoft\\Windows\\Defender'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high