Detection rules › Sigma

Potential Process Execution Proxy Via CL_Invocation.ps1

Severity
medium
Author
Nasreddine Bencherchali (Nextron Systems), oscd.community, Natalia Shornikova
Source
upstream

Detects calls to "SyncInvoke" that is part of the "CL_Invocation.ps1" script to proxy execution using "System.Diagnostics.Process"

MITRE ATT&CK coverage

TacticTechniques
Defense EvasionT1216 System Script Proxy Execution

Event coverage

ProviderEvent IDTitle
Sysmon1Process creation
Security-Auditing4688A new process has been created.

Stages and Predicates

Stage 1: selection

CommandLine|contains: 'SyncInvoke '

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
CommandLinematch
  • SyncInvoke