process where host.os.type == "linux" and event.type == "start" and
event.action in ("exec", "exec_event", "executed", "process_started") and
process.name == "setfacl" and not (
process.command_line == "/bin/setfacl --restore=-" or
process.args == "/var/log/journal/"
)
Install detection rules in Elastic Security
Detect Access Control List Modification via setfacl 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).