Detectionhightest
Potentially Suspicious Event Viewer Child Process
Detects uncommon or suspicious child processes of "eventvwr.exe" which might indicate a UAC bypass attempt
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Launch
Florian Roth (Nextron Systems)Created Sun Mar 19Updated Thu Sep 28be344333-921d-4c4d-8bb8-e584cf584780windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
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
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Sub-techniques
CAR Analytics
2019-04-001 · CAR 2019-04-001
Rule Metadata
Rule ID
be344333-921d-4c4d-8bb8-e584cf584780
Status
test
Level
high
Type
Detection
Created
Sun Mar 19
Modified
Thu Sep 28
Path
rules/windows/process_creation/proc_creation_win_eventvwr_susp_child_process.yml
Raw Tags
attack.defense-evasionattack.privilege-escalationattack.t1548.002car.2019-04-001