diff --git a/linux_os/guide/auditing/policy_rules/audit_ospp_general_aarch64/rule.yml b/linux_os/guide/auditing/policy_rules/audit_ospp_general_aarch64/rule.yml index 83ffc5e36c8..cb626a50fb2 100644 --- a/linux_os/guide/auditing/policy_rules/audit_ospp_general_aarch64/rule.yml +++ b/linux_os/guide/auditing/policy_rules/audit_ospp_general_aarch64/rule.yml @@ -36,50 +36,77 @@ title: 'Perform general configuration of Audit for OSPP (AArch64)' ## Group add delete modify. This is covered by pam. However, someone could ## open a file and directly create or modify a user, so we'll watch group and ## gshadow for writes --a always,exit -F path=/etc/passwd -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=user-modify --a always,exit -F path=/etc/shadow -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=user-modify --a always,exit -F path=/etc/group -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=group-modify --a always,exit -F path=/etc/gshadow -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=group-modify +-a always,exit -F arch=b32 -F path=/etc/passwd -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=user-modify +-a always,exit -F arch=b64 -F path=/etc/passwd -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=user-modify +-a always,exit -F arch=b32 -F path=/etc/shadow -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=user-modify +-a always,exit -F arch=b64 -F path=/etc/shadow -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=user-modify +-a always,exit -F arch=b32 -F path=/etc/group -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=group-modify +-a always,exit -F arch=b64 -F path=/etc/group -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=group-modify +-a always,exit -F arch=b32 -F path=/etc/gshadow -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=group-modify +-a always,exit -F arch=b64 -F path=/etc/gshadow -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=group-modify ## Use of special rights for config changes. This would be use of setuid ## programs that relate to user accts. This is not all setuid apps because ## requirements are only for ones that affect system configuration. --a always,exit -F path=/usr/sbin/unix_chkpwd -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/sbin/usernetctl -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/sbin/userhelper -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/sbin/seunshare -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/bin/mount -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/bin/newgrp -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/bin/newuidmap -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/bin/gpasswd -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/bin/newgidmap -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/bin/umount -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/bin/passwd -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/bin/crontab -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/bin/at -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes --a always,exit -F path=/usr/sbin/grub2-set-bootflag -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/sbin/unix_chkpwd -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/sbin/unix_chkpwd -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/sbin/usernetctl -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/sbin/usernetctl -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/sbin/userhelper -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/sbin/userhelper -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/sbin/seunshare -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/sbin/seunshare -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/bin/mount -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/bin/mount -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/bin/newgrp -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/bin/newgrp -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/bin/newuidmap -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/bin/newuidmap -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/bin/gpasswd -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/bin/gpasswd -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/bin/newgidmap -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/bin/newgidmap -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/bin/umount -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/bin/umount -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/bin/passwd -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/bin/passwd -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/bin/crontab -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/bin/crontab -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/bin/at -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/bin/at -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/usr/sbin/grub2-set-bootflag -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/usr/sbin/grub2-set-bootflag -F perm=x -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=special-config-changes ## Privilege escalation via su or sudo. This is entirely handled by pam. ## Special case for systemd-run. It is not audit aware, specifically watch it --a always,exit -F path=/usr/bin/systemd-run -F perm=x -F auid!=unset -F key=maybe-escalation +-a always,exit -F arch=b32 -F path=/usr/bin/systemd-run -F perm=x -F auid!=unset -F key=maybe-escalation +-a always,exit -F arch=b64 -F path=/usr/bin/systemd-run -F perm=x -F auid!=unset -F key=maybe-escalation ## Special case for pkexec. It is not audit aware, specifically watch it --a always,exit -F path=/usr/bin/pkexec -F perm=x -F key=maybe-escalation +-a always,exit -F arch=b32 -F path=/usr/bin/pkexec -F perm=x -F key=maybe-escalation +-a always,exit -F arch=b64 -F path=/usr/bin/pkexec -F perm=x -F key=maybe-escalation ## Watch for configuration changes to privilege escalation. --a always,exit -F path=/etc/sudoers -F perm=wa -F key=special-config-changes --a always,exit -F dir=/etc/sudoers.d/ -F perm=wa -F key=special-config-changes +-a always,exit -F arch=b32 -F path=/etc/sudoers -F perm=wa -F key=special-config-changes +-a always,exit -F arch=b64 -F path=/etc/sudoers -F perm=wa -F key=special-config-changes +-a always,exit -F arch=b32 -F dir=/etc/sudoers.d/ -F perm=wa -F key=special-config-changes +-a always,exit -F arch=b64 -F dir=/etc/sudoers.d/ -F perm=wa -F key=special-config-changes ## Audit log access --a always,exit -F dir=/var/log/audit/ -F perm=r -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=access-audit-trail +-a always,exit -F arch=b32 -F dir=/var/log/audit/ -F perm=r -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=access-audit-trail +-a always,exit -F arch=b64 -F dir=/var/log/audit/ -F perm=r -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=access-audit-trail ## Attempts to Alter Process and Session Initiation Information --a always,exit -F path=/var/run/utmp -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=session --a always,exit -F path=/var/log/btmp -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=session --a always,exit -F path=/var/log/wtmp -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=session +-a always,exit -F arch=b32 -F path=/var/run/utmp -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=session +-a always,exit -F arch=b64 -F path=/var/run/utmp -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=session +-a always,exit -F arch=b32 -F path=/var/log/btmp -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=session +-a always,exit -F arch=b64 -F path=/var/log/btmp -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=session +-a always,exit -F arch=b32 -F path=/var/log/wtmp -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=session +-a always,exit -F arch=b64 -F path=/var/log/wtmp -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=session ## Attempts to modify MAC controls --a always,exit -F dir=/etc/selinux/ -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=MAC-policy +-a always,exit -F arch=b32 -F dir=/etc/selinux/ -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=MAC-policy +-a always,exit -F arch=b64 -F dir=/etc/selinux/ -F perm=wa -F auid>=" ~ uid_min ~ " -F auid!=unset -F key=MAC-policy ## Software updates. This is entirely handled by rpm.