OVALFileLinker from SCAP Security Guide ssg: [0, 1, 80], python: 3.10.12 5.11.2 2025-11-24T17:59:05 Ensure shadow Group is Empty Ubuntu 22.04 Ensure shadow group is empty /etc/group ^shadow:.*:.*:(.*)$ 1 /etc/passwd 1 ^\s*$ ^.*:.*:.*: :.*:.*:.*$