Command and Control (TA0011)(opens in a new tab or window)
Execution (TA0002)(opens in a new tab or window)
sequence by host.id with maxspan=10s
[process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and
process.parent.name == "foomatic-rip" and
process.name in ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish")] by process.entity_id
[network where host.os.type == "linux" and event.type == "start" and
event.action == "connection_attempted"] by process.parent.entity_id
Install detection rules in Elastic Security
Detect Network Connection by Cups or Foomatic-rip Child 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).