Sigma rule: Potentially Suspicious Event Viewer Child Process
A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-45d86dc31248, updated 2023-09-28T00:00:00.000Z.
Rule
- Title
- Potentially Suspicious Event Viewer Child Process
- Status
- test
- Level
- high
- Author
- Florian Roth (Nextron Systems)
- Date
- 2017-03-19
- Modified
- 2023-09-28
- File
- rules/windows/process_creation/proc_creation_win_eventvwr_susp_child_process.yml
- Commit
- ccbb0369507f796db0b0ae6854c8a2be471b9d84
Detects uncommon or suspicious child processes of "eventvwr.exe" which might indicate a UAC bypass attempt
Log source
- product
- windows
- category
- process_creation
Detection
selection:
ParentImage|endswith: '\eventvwr.exe'
filter_main_generic:
Image|endswith:
- ':\Windows\System32\mmc.exe'
- ':\Windows\System32\WerFault.exe'
- ':\Windows\SysWOW64\WerFault.exe'
condition: selection and not 1 of filter_main_*False positives (as the rule lists them)
- Unknown
Tags
- attack.privilege-escalation
- attack.t1548.002
- car.2019-04-001
MITRE ATT&CK ids this rule names
Related rules
References
- https://enigma0x3.net/2016/08/15/fileless-uac-bypass-using-eventvwr-exe-and-registry-hijacking/
- https://www.hybrid-analysis.com/sample/e122bc8bf291f15cab182a5d2d27b8db1e7019e4e96bb5cdbd1dfe7446f3f51f?environmentId=100
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_eventvwr_susp_child_process.yml
Sources and licences
SigmaHQ
"Potentially Suspicious Event Viewer Child Process" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_eventvwr_susp_child_process.yml.
Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License
Cite this page
Dragons Eye Ransomware Tracker, "Sigma rule: Potentially Suspicious Event Viewer Child Process",
entity page, dataset version ref-45d86dc31248, updated 2023-09-28T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/be344333-921d-4c4d-8bb8-e584cf584780 (accessed 2026-11-03).
Underlying source: SigmaHQ rule be344333-921d-4c4d-8bb8-e584cf584780, 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.