Identifier / Programs / Linux and Unix
procmail
GTFOBins command 1 documented command
How procmail is abused
command
-e-mEach abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for procmail.
1 documented command
command unprivileged, with sudo
The program is picky about the file ownership, and waits for some input.
echo -e ':0\n| /path/to/command >/path/to/temp-file
procmail -m /path/to/temp-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 procmail. The identifier reads the line that runs procmail.