Detectionmediumtest
Potential Process Execution Proxy Via CL_Invocation.ps1
Detects calls to "SyncInvoke" that is part of the "CL_Invocation.ps1" script to proxy execution using "System.Diagnostics.Process"
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Nasreddine Bencherchali (Nextron Systems), oscd.community, Natalia ShornikovaCreated Wed Oct 14Updated Thu Aug 17a0459f02-ac51-4c09-b511-b8c9203fc429windows
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 Logic1 selector
detection:
selection:
# Note: As this function is usually called from within powershell, classical process creation even would not catch it. This will only catch inline calls via "-Command" or "-ScriptBlock" flags for example.
CommandLine|contains: 'SyncInvoke '
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Tactics
Techniques
Rule Metadata
Rule ID
a0459f02-ac51-4c09-b511-b8c9203fc429
Status
test
Level
medium
Type
Detection
Created
Wed Oct 14
Modified
Thu Aug 17
Path
rules/windows/process_creation/proc_creation_win_powershell_cl_invocation.yml
Raw Tags
attack.defense-evasionattack.t1216