nwall: file-in-unusual-dir [var/log/nwall.log]
nwall: non-standard-file-perm 0664 != 0644 [var/log/nwall.log]
nwall: non-standard-setuid-executable-perm 2555 [usr/bin/nwall]
nwall: elevated-privileges 2555 root/tty [usr/bin/nwall]
