An XCCDF Group - A logical subset of the XCCDF Benchmark
$ findmnt -n -l -k -it $(awk '/nodev/ { print $2 }' /proc/filesystems | paste -sd,)
$ sudo find MOUNTPOINT -xdev -nogroup 2>/dev/null
$ sudo find MOUNTPOINT -xdev -nouser 2>/dev/null
passwd
shadow
group
gshadow
/etc/group
$ sudo chgrp root /etc/group
/etc/passwd
$ sudo chgrp root /etc/passwd
/etc/shadow
$ sudo chgrp root /etc/shadow
$ sudo chown root /etc/group
$ sudo chown root /etc/passwd
$ sudo chown root /etc/shadow
$ sudo chmod 0644 /etc/group
$ sudo chmod 0644 /etc/passwd
$ sudo chmod 0000 /etc/shadow