Sigma rule: UAC Bypass via Windows Firewall Snap-In Hijack

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-c5d2d1931c8e, updated 2022-09-27T00:00:00.000Z.

Rule

Title
UAC Bypass via Windows Firewall Snap-In Hijack
Status
test
Level
medium
Author
Tim Rauch, Elastic (idea)
Date
2022-09-27
File
rules/windows/process_creation/proc_creation_win_uac_bypass_hijacking_firwall_snap_in.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects attempts to bypass User Account Control (UAC) by hijacking the Microsoft Management Console (MMC) Windows Firewall snap-in

Log source

product
windows
category
process_creation

Detection

selection:
    ParentImage|endswith: '\mmc.exe'
    ParentCommandLine|contains: 'WF.msc'
filter:
    Image|endswith: '\WerFault.exe'
condition: selection and not filter

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.privilege-escalation
  • attack.t1548

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_uac_bypass_hijacking_firwall_snap_in.yml

Sources and licences

  • SigmaHQ

    "UAC Bypass via Windows Firewall Snap-In Hijack" by Tim Rauch, Elastic (idea) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_uac_bypass_hijacking_firwall_snap_in.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: UAC Bypass via Windows Firewall Snap-In Hijack",
entity page, dataset version ref-c5d2d1931c8e, updated 2022-09-27T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/e52cb31c-10ed-4aea-bcb7-593c9f4a315b (accessed 2026-11-03).
Underlying source: SigmaHQ rule e52cb31c-10ed-4aea-bcb7-593c9f4a315b, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.