..
/fltMC.exe
Star
Tamper
Filter Manager Control Program used by Windows
Paths:
C:\Windows\System32\fltMC.exe
Resources:
https://www.darkoperator.com/blog/2018/10/5/operating-offensively-against-sysmon
Acknowledgements:
Carlos Perez (
@Carlos_Perez
)
Detection:
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
Tamper
Unloads a driver used by security agents
fltMC.exe unload SysmonDrv
Usecase: Defense evasion
Privileges required: Admin
OS: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
MITRE ATT&CK®:
T1562.001