sequence by host.id, process.parent.entity_id with maxspan=5m
[process where host.os.type == "linux" and event.type == "start" and event.action in ("exec", "start") and
process.name == "mount" and process.args : "/dev/sd*" and process.args_count >= 3 and
process.parent.name in ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish")]
[process where host.os.type == "linux" and event.type == "start" and event.action in ("exec", "start") and
process.name == "chroot"]
Install detection rules in Elastic Security
Detect Potential Chroot Container Escape via Mount in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).