Elastic Defend high stable eql

Process Execution from Boot Directory

This rule detects the execution of processes from the /boot directory. This may indicate an attempt to execute a process from a location that is not typical for executable files. This behavior is often associated with malicious activity.

View Source

Detection Logic

process where event.type == "start" and event.action == "exec" and process.executable like "/boot/*" and
not (
  process.executable in ("/boot/loader/entries", "/boot/dietpi/dietpi-login") or
  process.parent.executable in (
    "/boot/dietpi/dietpi-update", "/etc/cron.daily/dietpi", "/etc/cron.hourly/dietpi", "/boot/dietpi/dietpi-login"
  )
)

Field Validations

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