Sysmon Driver Unloaded Via Fltmc.EXE

 Original Source: [Sigma source]
Title: Sysmon Driver Unloaded Via Fltmc.EXE
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.stealth'
  • -'attack.defense-impairment'
  • -'attack.t1070'
  • -'attack.t1685'
  • -'attack.t1685.001'
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