Analytics Medium

A contained process attempted to escape using the 'notify on release' feature

A contained process attempted to escape the host by leveraging the Docker's 'notify on release' feature. The calling process modified relevant files that might trigger a command on the host.

Module:
Platform Analytics
Data source:
XDR Agent with eXtended Threat Hunting (XTH)
ATT&CK tactics: Privilege Escalation (TA0004)
ATT&CK techniques: Escape to Host (T1611)
Attacker's goals:

Execute arbitrary commands on the host and gain a larger foothold.

Investigative actions:

Check which commands were executed on the host afterward. Look for the root cause of the execution within the container. Examine the release_agent script content on the container.

Test period:
1 Hour
Deduplication:
1 Day
1 variation:
  • A contained process attempted to escape using the 'notify on release' feature Medium