Filter Manager Control Program used by Windows
fltMC.exe unload SysmonDrv
Unloads a driver used by security agents
Defense evasion
C:\Windows\System32\fltMC.exe
Sigma: https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_fltmc_unload_driver_sysmon.yml, Elastic: https://github.com/elastic/detection-rules/blob/61afb1c1c0c3f50637b1bb194f3e6fb09f476e50/rules/windows/defense_evasion_via_filter_manager.toml, Splunk: https://github.com/splunk/security_content/blob/18f63553a9dc1a34122fa123deae2b2f9b9ea391/detections/endpoint/unload_sysmon_filter_driver.yml, IOC: 4688 events with fltMC.exe
Carlos Perez (@Carlos_Perez)