CmdID / Programs / Linux and Unix
firejail
Securely sandboxes processes to containers using built-in Linux capabilities. tldr-pages
GTFOBins shell 1 ATT&CK technique 1 documented command
How firejail is abused
shell T1059.004 Command and Scripting Interpreter: Unix Shell
Each abuse is GTFOBins's category and the options and words it uses; the full write-up is on GTFOBins's page for firejail.
1 documented command
shell unprivileged, with sudo
firejail /bin/shThe command CmdID reads trips no Sigma process-creation rule. This command is 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 firejail. CmdID reads the line that runs firejail.
What detects it
Everyday use
Integrate firejail with your desktop environment
sudo firecfgIdentifyOpen a restricted Mozilla Firefox
firejail firefoxIdentifyStart a restricted Apache server on a known interface and address
firejail --net=eth0 --ip=192.168.1.244 /etc/init.d/apache2 startIdentifyNone of the 3 examples CmdID reads matches GTFOBins abuse or trips a Sigma process-creation rule.