sigmahighHunting

Sysmon Driver Unloaded Via Fltmc.EXE

Detects possible Sysmon filter driver unloaded via fltmc.exe

MITRE ATT&CK

defense-evasion

Detection Query

selection_img:
  - Image|endswith: \fltMC.exe
  - OriginalFileName: fltMC.exe
selection_cli:
  CommandLine|contains|all:
    - unload
    - sysmon
condition: all of selection_*

Author

Kirill Kiryanov, oscd.community

Created

2019-10-23

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://www.darkoperator.com/blog/2018/10/5/operating-offensively-against-sysmon

Tags

attack.defense-evasionattack.t1070attack.t1562attack.t1562.002

Raw Content

title: Sysmon Driver Unloaded Via Fltmc.EXE
id: 4d7cda18-1b12-4e52-b45c-d28653210df8
related:
    - id: 4931188c-178e-4ee7-a348-39e8a7a56821 # Generic
      type: similar
status: test
description: Detects possible Sysmon filter driver unloaded via fltmc.exe
references:
    - https://www.darkoperator.com/blog/2018/10/5/operating-offensively-against-sysmon
author: Kirill Kiryanov, oscd.community
date: 2019-10-23
modified: 2023-02-13
tags:
    - attack.defense-evasion
    - attack.t1070
    - attack.t1562
    - attack.t1562.002
logsource:
    product: windows
    category: process_creation
detection:
    selection_img:
        - Image|endswith: '\fltMC.exe'
        - OriginalFileName: 'fltMC.exe'
    selection_cli:
        CommandLine|contains|all:
            - 'unload'
            - 'sysmon'
    condition: all of selection_*
falsepositives:
    - Unlikely
level: high