Sigma rule: Bypass UAC Using Event Viewer

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-3e13767dea14, updated 2023-08-17T00:00:00.000Z.

Rule

Title
Bypass UAC Using Event Viewer
Status
test
Level
high
Author
frack113
Date
2022-01-05
Modified
2023-08-17
File
rules/windows/registry/registry_set/registry_set_bypass_uac_using_eventviewer.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Bypasses User Account Control using Event Viewer and a relevant Windows Registry modification

Log source

product
windows
category
registry_set

Detection

selection:
    TargetObject|endswith: '_Classes\mscfile\shell\open\command\(Default)'
filter:
    Details|startswith: '%SystemRoot%\system32\mmc.exe "%1" %'
condition: selection and not filter

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.privilege-escalation
  • attack.persistence
  • attack.t1547.010

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/registry/registry_set/registry_set_bypass_uac_using_eventviewer.yml

Sources and licences

  • SigmaHQ

    "Bypass UAC Using Event Viewer" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_set/registry_set_bypass_uac_using_eventviewer.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: Bypass UAC Using Event Viewer",
entity page, dataset version ref-3e13767dea14, updated 2023-08-17T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/674202d0-b22a-4af4-ae5f-2eda1f3da1af (accessed 2026-11-03).
Underlying source: SigmaHQ rule 674202d0-b22a-4af4-ae5f-2eda1f3da1af, 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.