process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and user.name == "lp" and
process.parent.name in ("cupsd", "foomatic-rip", "bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish") and
process.name in ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish") and
not process.command_line like ("*/tmp/foomatic-*", "*-sDEVICE=ps2write*")
Install detection rules in Elastic Security
Detect Printer User (lp) Shell Execution 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).