Potential Evasion via Filter Manager

The Filter Manager Control Program (fltMC.exe) binary may be abused by adversaries to unload a filter driver and evade defenses.

Rule type: eql

Rule indices:

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

Tags:

Version: 8 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.16.0

Rule authors: Elastic

Rule license: Elastic License v2

process where event.type in ("start", "process_started") and
process.name : "fltMC.exe" and process.args : "unload"

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/

Version 8 (7.16.0 release)

Version 7 (7.13.0 release)

Updated query, changed from:

event.category:process and event.type:(start or process_started) and
process.name:fltMC.exe

Version 6 (7.12.0 release)

Version 5 (7.11.2 release)

Version 4 (7.10.0 release)

Version 3 (7.9.0 release)

Version 2 (7.7.0 release)