Detection rules › Sigma

PSExec and WMI Process Creations Block

Severity
high
Author
Bhabesh Raj
Source
upstream

Detects blocking of process creations originating from PSExec and WMI commands

MITRE ATT&CK coverage

TacticTechniques
ExecutionT1047 Windows Management Instrumentation, T1569.002 System Services: Service Execution

Event coverage

ProviderEvent IDTitle
Windows-Defender1121

Stages and Predicates

Stage 1: selection

or:
ProcessName|endswith: '\psexesvc.exe'
ProcessName|endswith: '\wmiprvse.exe'

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
ProcessNameends_with
  • \psexesvc.exe
  • \wmiprvse.exe corpus 2 (sigma 2)