Ceplin Command Identifier

Identifier / Programs / Linux and Unix

msgcat

Concatenate and merge multiple .po translation files. Useful in software localization pipelines to combine message catalogs with filtering options. tldr-pages

GTFOBins file-read 1 documented command

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

How msgcat is abused

documented by GTFOBins

file-read

-P

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

1 documented command

from GTFOBins, each read by the identifier

file-read unprivileged, with sudo, as SUID

The file is parsed and displayed as a Java .properties file.

msgcat -P /path/to/input-file
Identify

The command the identifier reads trips no Sigma process-creation rule. This command is, with GTFOBins’ notes, from GTFOBins, at commit acd524623f9c of 2026-05-27, under the GPL-3.0, with no warranty. Changed: Markdown is shown formatted. The source is in lolbas-gtfobins-commands.json.gz, and the full entry is on GTFOBins’s page for msgcat. The identifier reads the line that runs msgcat.

Everyday use

from tldr-pages, CC BY 4.0

Combine multiple .po files into one

msgcat file1.po file2.po ... --output-file combined.poIdentify

Combine input files listed in a text file

msgcat --files-from path/to/file_list.txt --output-file combined.poIdentify

Set the output encoding (e.g. UTF-8)

msgcat --to-code UTF-8 input.po --output-file output.poIdentify

None of the 3 examples the identifier reads matches GTFOBins abuse or trips a Sigma process-creation rule.