Ceplin Command Identifier

Identifier / Programs / Windows

cl_mutexverifiers.ps1

LOLBAS Execute 1 ATT&CK technique 1 documented command

Opens the identifier with your command. It is read in your browser and sent nowhere.

How cl_mutexverifiers.ps1 is abused

documented by LOLBAS

Execute T1216 System Script Proxy Execution

Each abuse is LOLBAS's category and the options and words it uses; the full write-up is on LOLBAS's page for cl_mutexverifiers.ps1.

1 documented command

from LOLBAS, each read by the identifier

Execute T1216 System Script Proxy Execution User privileges

Import the PowerShell Diagnostic CL_Mutexverifiers script and call runAfterCancelProcess to launch an executable.

. C:\Windows\diagnostics\system\AERO\CL_Mutexverifiers.ps1   \nrunAfterCancelProcess {PATH:.ps1}
Identify

The command the identifier reads trips no Sigma process-creation rule. These commands and their descriptions are from LOLBAS’s entry for cl_mutexverifiers.ps1, by Oddvar Moe, at commit 2056cb766250 of 2026-09-26, under the GPL-3.0 and LOLBAS’s notice, with no warranty. Changed: Markdown is shown formatted. The source is in lolbas-gtfobins-commands.json.gz, and the full entry is on LOLBAS’s page for cl_mutexverifiers.ps1. The identifier reads it with LOLBAS’s placeholders filled in: a URL as https://example.com/file, a share as \\192.0.2.10\share\file, a path as C:\Data\file and a command as calc.exe.

What detects it

Sigma process creation rules
T1216System Script Proxy Execution

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acccheckconsole.exe · addinutil.exe · adplus.exe · advpack.dll · agentexecutor.exe · appcert.exe · applauncher.exe · appvlp.exe · at.exe · atbroker.exe · bash.exe · bginfo.exe · bitsadmin.exe · cdb.exe · certoc.exe · change.exe