Persistence (TA0003)(opens in a new tab or window)
endpoint(opens in a new tab or window)
auditd_manager(opens in a new tab or window)
process where host.os.type == "linux" and event.type == "start" and
event.action in ("exec", "exec_event", "start", "ProcessRollup2", "executed") and
process.name in ("cp", "mv") and process.parent.executable != null and process.args like~ "/boot/*" and not (
process.parent.name in ("update-initramfs", "dracut", "grub-mkconfig", "shim-install", "sudo", "activate-theme") or
process.parent.executable like~ ("/usr/lib/kernel/install.d/*", "/tmp/newroot/*", "/var/lib/dpkg/info/*") or
process.parent.args like~ ("/usr/bin/mkinitcpio", "/var/tmp/rpm-tmp.*")
)
Install detection rules in Elastic Security
Detect Boot File Copy 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).