Identifier / Programs / Linux and Unix
mutt
Command-line email client. tldr-pages
GTFOBins file-read 1 documented command
How mutt is abused
file-read
-FEach abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for mutt.
1 documented command
file-read unprivileged, with sudo
The file is leaked as error messages.
mutt -F /path/to/input-fileThe 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 mutt. The identifier reads the line that runs mutt.
Everyday use
Open the specified mailbox
mutt -f mailboxIdentifySend an email and specify a subject and a cc recipient
mutt -s subject -c cc@example.com recipient@example.comIdentifySend an email with files attached
mutt -a file1 file2 ... -- recipient@example.comIdentifyNone of the 3 examples the identifier reads matches GTFOBins abuse or trips a Sigma process-creation rule.