Identifier / Programs / Linux and Unix
check_ssl_cert
GTFOBins shell 1 ATT&CK technique 1 documented command
How check_ssl_cert is abused
Each abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for check_ssl_cert.
1 documented command
shell unprivileged, with sudo
The shell will be invoked multiple times.
echo 'exec /bin/sh 0<&2 1>&2' >/path/to/temp-file
chmod +x /path/to/temp-file
check_ssl_cert --grep-bin /path/to/temp-file -H xIdentifyThe 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 check_ssl_cert. The identifier reads the line that runs check_ssl_cert.
What detects it
T1059.004Command and Scripting Interpreter: Unix Shell