Detection rules › Sigma

Wmiprvse Wbemcomn DLL Hijack - File

Severity
critical
Author
Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
Source
upstream

Detects a threat actor creating a file named wbemcomn.dll in the C:\Windows\System32\wbem\ directory over the network and loading it for a WMI DLL Hijack scenario.

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1047 Windows Management Instrumentation
Lateral MovementT1021.002 Remote Services: SMB/Windows Admin Shares

Event coverage

ProviderEvent IDTitle
Sysmon11FileCreate

Stages and Predicates

Stage 1: selection

Image: System
TargetFilename|endswith: '\wbem\wbemcomn.dll'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Imageeq
  • System corpus 8 (sigma 8)
TargetFilenameends_with
  • \wbem\wbemcomn.dll