Ceplin Command Identifier

Identifier / Programs / Windows

launch-vsdevshell.ps1

LOLBAS Execute 1 ATT&CK technique 2 documented commands

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

How launch-vsdevshell.ps1 is abused

documented by LOLBAS

Execute T1216 System Script Proxy Execution

Run by powershell.exe

-ep
-f
-vswherepath

Execute T1216 System Script Proxy Execution

Run by powershell.exe

-ep
-f
-vsinstallationpath

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

2 documented commands

from LOLBAS, each read by the identifier

Execute T1216 System Script Proxy Execution User privileges

Execute binaries from the context of the signed script using the "VsWherePath" flag.

powershell -ep RemoteSigned -f .\Launch-VsDevShell.ps1 -VsWherePath {PATH_ABSOLUTE:.exe}
Identify

Trips 1 Sigma rule: mediumLaunch-VsDevShell.PS1 Proxy Execution by Nasreddine Bencherchali (Nextron Systems)

Execute T1216 System Script Proxy Execution User privileges

Execute binaries and commands from the context of the signed script using the "VsInstallationPath" flag.

powershell -ep RemoteSigned -f .\Launch-VsDevShell.ps1 -VsInstallationPath "/../../../../../; {PATH:.exe} ;"
Identify

Trips 1 Sigma rule: mediumLaunch-VsDevShell.PS1 Proxy Execution by Nasreddine Bencherchali (Nextron Systems)

All 2 commands the identifier reads trip a Sigma process-creation rule. These commands and their descriptions are from LOLBAS’s entry for launch-vsdevshell.ps1, by Nasreddine Bencherchali, 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 launch-vsdevshell.ps1. The identifier reads each 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