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
How msgcat is abused
file-read
-PEach 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
file-read unprivileged, with sudo, as SUID
The file is parsed and displayed as a Java .properties file.
msgcat -P /path/to/input-fileIdentifyThe 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
Combine multiple .po files into one
msgcat file1.po file2.po ... --output-file combined.poIdentifyCombine input files listed in a text file
msgcat --files-from path/to/file_list.txt --output-file combined.poIdentifySet the output encoding (e.g. UTF-8)
msgcat --to-code UTF-8 input.po --output-file output.poIdentifyNone of the 3 examples the identifier reads matches GTFOBins abuse or trips a Sigma process-creation rule.