## Remove any existing rules -D ## Buffer Size ## Feel free to increase this if the machine panic's -b 8192 ## Failure Mode ## Possible values are 0 (silent), 1 (printk, print a failure message), ## and 2 (panic, halt the system). -f 1 ## Audit the audit logs. ## successful and unsuccessful attempts to read information from the ## audit records; all modifications to the audit trail -w /var/log/audit/ -k auditlog ## Auditd configuration ## modifications to audit configuration that occur while the audit ## collection functions are operating. -w /etc/audit/ -p wa -k auditconfig -w /etc/libaudit.conf -p wa -k auditconfig -w /etc/audisp/ -p wa -k audispconfig ## Monitor for use of audit management tools -w /sbin/auditctl -p x -k audittools -w /sbin/auditd -p x -k audittools ## special files -a exit,always -F arch=b32 -S mknod -S mknodat -k specialfiles -a exit,always -F arch=b64 -S mknod -S mknodat -k specialfiles ## Mount operations -a exit,always -F arch=b32 -S mount -S umount -S umount2 -k mount -a exit,always -F arch=b64 -S mount -S umount2 -k mount ## changes to the time ## -a exit,always -F arch=b32 -S adjtimex -S settimeofday -S stime -S clock_settime -k time -a exit,always -F arch=b64 -S adjtimex -S settimeofday -S clock_settime -k time ## Use stunnel -w /usr/sbin/stunnel -p x -k stunnel ## cron configuration & scheduled jobs -w /etc/cron.allow -p wa -k cron -w /etc/cron.deny -p wa -k cron -w /etc/cron.d/ -p wa -k cron -w /etc/cron.daily/ -p wa -k cron -w /etc/cron.hourly/ -p wa -k cron -w /etc/cron.monthly/ -p wa -k cron -w /etc/cron.weekly/ -p wa -k cron -w /etc/crontab -p wa -k cron -w /var/spool/cron/crontabs/ -k cron ## user, group, password databases -w /etc/group -p wa -k etcgroup -w /etc/passwd -p wa -k etcpasswd -w /etc/gshadow -k etcgroup -w /etc/shadow -k etcpasswd -w /etc/security/opasswd -k opasswd ## monitor usage of passwd -w /usr/bin/passwd -p x -k passwd_modification #Monitor for use of tools to change group identifiers -w /usr/sbin/groupadd -p x -k group_modification -w /usr/sbin/groupmod -p x -k group_modification -w /usr/sbin/addgroup -p x -k group_modification -w /usr/sbin/useradd -p x -k user_modification -w /usr/sbin/usermod -p x -k user_modification -w /usr/sbin/adduser -p x -k user_modification ## login configuration and information -w /etc/login.defs -p wa -k login -w /etc/securetty -p wa -k login -w /var/log/faillog -p wa -k login -w /var/log/lastlog -p wa -k login -w /var/log/tallylog -p wa -k login ## network configuration -w /etc/hosts -p wa -k hosts -w /etc/network/ -p wa -k network ## system startup scripts -w /etc/inittab -p wa -k init -w /etc/init.d/ -p wa -k init -w /etc/init/ -p wa -k init ## library search paths -w /etc/ld.so.conf -p wa -k libpath ## local time zone -w /etc/localtime -p wa -k localtime ## kernel parameters -w /etc/sysctl.conf -p wa -k sysctl ## modprobe configuration -w /etc/modprobe.conf -p wa -k modprobe ## pam configuration -w /etc/pam.d/ -p wa -k pam -w /etc/security/limits.conf -p wa -k pam -w /etc/security/pam_env.conf -p wa -k pam -w /etc/security/namespace.conf -p wa -k pam -w /etc/security/namespace.init -p wa -k pam ## GDS specific secrets -w /etc/puppet/ssl -p wa -k puppet_ssl ## postfix configuration -w /etc/aliases -p wa -k mail -w /etc/postfix/ -p wa -k mail ## ssh configuration -w /etc/ssh/sshd_config -k sshd ## changes to hostname -a exit,always -F arch=b32 -S sethostname -k hostname -a exit,always -F arch=b64 -S sethostname -k hostname ## changes to issue -w /etc/issue -p wa -k etcissue -w /etc/issue.net -p wa -k etcissue ## this was to noisy currently. # log all commands executed by an effective id of 0 aka root. -a exit,always -F arch=b64 -F euid=0 -S execve -k rootcmd -a exit,always -F arch=b32 -F euid=0 -S execve -k rootcmd ## Capture all failures to access on critical elements -a exit,always -F arch=b64 -S open -F dir=/etc -F success=0 -k unauthedfileacess -a exit,always -F arch=b64 -S open -F dir=/bin -F success=0 -k unauthedfileacess -a exit,always -F arch=b64 -S open -F dir=/sbin -F success=0 -k unauthedfileacess -a exit,always -F arch=b64 -S open -F dir=/usr/bin -F success=0 -k unauthedfileacess -a exit,always -F arch=b64 -S open -F dir=/usr/sbin -F success=0 -k unauthedfileacess -a exit,always -F arch=b64 -S open -F dir=/var -F success=0 -k unauthedfileacess -a exit,always -F arch=b64 -S open -F dir=/home -F success=0 -k unauthedfileacess -a exit,always -F arch=b64 -S open -F dir=/srv -F success=0 -k unauthedfileacess ## Monitor for use of process ID change (switching accounts) applications -w /bin/su -p x -k priv_esc -w /usr/bin/sudo -p x -k priv_esc -w /etc/sudoers -p rw -k priv_esc ## Monitor usage of commands to change power state -w /sbin/shutdown -p x -k power -w /sbin/poweroff -p x -k power -w /sbin/reboot -p x -k power -w /sbin/halt -p x -k power ## Make the configuration immutable -e 2