process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and
(process.parent.args like "/boot/*" or process.args like "/boot/*") and (
(process.name == "tail" and (process.args like "-c*" or process.args == "--bytes")) or
(process.name == "cmp" and process.args == "-i") or
(process.name in ("hexdump", "xxd") and process.args == "-s") or
(process.name == "dd" and process.args like "seek*")
)
Install detection rules in Elastic Security
Detect Kernel Seeking Activity 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).