An XCCDF Group - A logical subset of the XCCDF Benchmark
$ mount -t xfs | awk '{print $3}'
$ sudo chmod +t DIR
sysfs
procfs
$ 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
fs.protected_hardlinks
$ sudo sysctl -w fs.protected_hardlinks=1
/etc/sysctl.d
fs.protected_hardlinks = 1
fs.protected_symlinks
$ sudo sysctl -w fs.protected_symlinks=1
fs.protected_symlinks = 1
passwd
shadow
group
gshadow
/etc/group-
$ sudo chgrp root /etc/group-
/etc/gshadow-
$ sudo chgrp root /etc/gshadow-
/etc/passwd-
$ sudo chgrp root /etc/passwd-
/etc/shadow-
$ sudo chgrp root /etc/shadow-
/etc/group
$ sudo chgrp root /etc/group
/etc/gshadow
$ sudo chgrp root /etc/gshadow
/etc/passwd
$ sudo chgrp root /etc/passwd
/etc/shadow
$ sudo chgrp root /etc/shadow
$ sudo chown root /etc/group-
$ sudo chown root /etc/gshadow-
$ sudo chown root /etc/passwd-
$ sudo chown root /etc/shadow-
$ sudo chown root /etc/group
$ sudo chown root /etc/gshadow
$ sudo chown root /etc/passwd
$ sudo chown root /etc/shadow
$ sudo chmod 0644 /etc/group-
$ sudo chmod 0000 /etc/gshadow-
$ sudo chmod 0644 /etc/passwd-
$ sudo chmod 0000 /etc/shadow-
$ sudo chmod 0644 /etc/group
$ sudo chmod 0000 /etc/gshadow
$ sudo chmod 0644 /etc/passwd
$ sudo chmod 0000 /etc/shadow
$ find /lib/modules/`uname -r`/kernel/fs -type f -name '*.ko'
/etc/modprobe.d
usb-storage
/etc/modprobe.d/usb-storage.conf
install usb-storage /bin/false
modprobe
insmod
/etc/fstab
nodev
/dev
noexec
kernel.dmesg_restrict
$ sudo sysctl -w kernel.dmesg_restrict=1
kernel.dmesg_restrict = 1
kernel.sysrq
$ sudo sysctl -w kernel.sysrq=0
kernel.sysrq = 0
kernel.yama.ptrace_scope
$ sudo sysctl -w kernel.yama.ptrace_scope=1
kernel.yama.ptrace_scope = 1
sysctl
kernel.exec-shield
kernel.randomize_va_space
kernel.kptr_restrict
$ sudo sysctl -w kernel.kptr_restrict=
kernel.kptr_restrict =
$ sudo sysctl -w kernel.randomize_va_space=2
kernel.randomize_va_space = 2