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Newest: 2.0.2
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Active Rule
Potential Process Execution Proxy Via CL_Invocation.ps1
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential Process Execution Proxy Via CL_Invocation.ps1
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Potential Process Execution Proxy Via CL_Invocation.ps1
id: a0459f02-ac51-4c09-b511-b8c9203fc429
status: test
description: Detects calls to "SyncInvoke" that is part of the "CL_Invocation.ps1" script to proxy execution using "System.Diagnostics.Process"
references:
- https://lolbas-project.github.io/lolbas/Scripts/Cl_invocation/
- https://twitter.com/bohops/status/948061991012327424
author: Nasreddine Bencherchali (Nextron Systems), oscd.community, Natalia Shornikova
date: 2020-10-14
modified: 2023-08-17
tags:
- attack.defense-evasion
- attack.t1216
logsource:
category: process_creation
product: windows
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: selection
falsepositives:
- Unknown
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_powershell_cl_invocation.yml