RHEL9-CIS/templates/audit/99_auditd.rules.j2

## Ansible controlled file
# Added as part of ansible-lockdown CIS baseline
# provided by Mindpoint Group - A Tyto Athene Company
### YOUR CHANGES WILL BE LOST!

# This template will set all of the auditd configurations via a handler in the role in one task instead of individually
{% if rhel9cis_rule_6_3_3_1 %}
-w /etc/sudoers -p wa -k scope
-w /etc/sudoers.d -p wa -k scope
{% endif %}
{% if rhel9cis_rule_6_3_3_2 %}
{% set syscalls = ["execve"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -C euid!=uid -F auid!=unset -S {{ arch_syscalls|join(',') }} -k user_emulation
-a always,exit -F arch=b32 -C euid!=uid -F auid!=unset -S {{ arch_syscalls|join(',') }} -k user_emulation
{% endif %}
{% if rhel9cis_rule_6_3_3_3 %}
-w {{ rhel9cis_sudolog_location }} -p wa -k sudo_log_file
{% endif %}
{% if rhel9cis_rule_6_3_3_4 %}
{% set syscalls = ["adjtimex","settimeofday"]  %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -k time-change
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -k time-change
{% set syscalls = ["clock_settime"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -F a0=0x0 -k time-change
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -F a0=0x0 -k time-change
-w /etc/localtime -p wa -k time-change
{% endif %}
{% if rhel9cis_rule_6_3_3_5 %}
{% set syscalls = ["sethostname","setdomainname"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -k system-locale
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -k system-locale
-w /etc/issue -p wa -k system-locale
-w /etc/issue.net -p wa -k system-locale
-w /etc/hosts -p wa -k system-locale
-w /etc/hostname -p wa -k system-locale
-w /etc/sysconfig/network -p wa -k system-locale
-w /etc/sysconfig/network-scripts -p wa -k system-locale
-w /etc/NetworkManager -p wa -k system-locale
{% endif %}
{% if rhel9cis_rule_6_3_3_6 %}
{% for proc in discovered_priv_procs.stdout_lines -%}
-a always,exit -F path={{ proc }} -F perm=x -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k privileged
{% endfor %}
{% endif %}
{% if rhel9cis_rule_6_3_3_7 %}
{% set syscalls = ["creat","open","openat","truncate","ftruncate"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -F exit=-EACCES -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k access
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -F exit=-EPERM -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k access
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -F exit=-EACCES -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k access
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -F exit=-EPERM -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k access
{% endif %}
{% if rhel9cis_rule_6_3_3_8 %}
-w /etc/group -p wa -k identity
-w /etc/passwd -p wa -k identity
-w /etc/gshadow -p wa -k identity
-w /etc/shadow -p wa -k identity
-w /etc/security/opasswd -p wa -k identity
-w /etc/nsswitch.conf -p wa -k identity
-w /etc/pam.conf -p wa -k identity
-w /etc/pam.d -p wa -k identity
{% endif %}
{% if rhel9cis_rule_6_3_3_9 %}
{% set syscalls = ["chmod","fchmod","fchmodat"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k perm_mod
{% set syscalls = ["chown","fchown","lchown","fchownat"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k perm_mod
{% set syscalls = ["setxattr","lsetxattr","fsetxattr","removexattr","lremovexattr","fremovexattr"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k perm_mod
{% set syscalls = ["chmod","fchmod","fchmodat"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k perm_mod
{% set syscalls = ["chown","fchown","lchown","fchownat"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k perm_mod
{% set syscalls = ["setxattr","lsetxattr","fsetxattr","removexattr","lremovexattr","fremovexattr"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k perm_mod
{% endif %}
{% if rhel9cis_rule_6_3_3_10 %}
{% set syscalls = ["mount"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k mounts
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k mounts
{% endif %}
{% if rhel9cis_rule_6_3_3_11 %}
-w /var/run/utmp -p wa -k session
-w /var/log/wtmp -p wa -k session
-w /var/log/btmp -p wa -k session
{% endif %}
{% if rhel9cis_rule_6_3_3_12 %}
-w /var/log/lastlog -p wa -k logins
-w /var/run/faillock -p wa -k logins
{% endif %}
{% if rhel9cis_rule_6_3_3_13 %}
{% set syscalls = ["unlink","unlinkat","rename","renameat"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k delete
-a always,exit -F arch=b32 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k delete
{% endif %}
{% if rhel9cis_rule_6_3_3_14 %}
-w /etc/selinux -p wa -k MAC-policy
-w /usr/share/selinux -p wa -k MAC-policy
{% endif %}
{% if rhel9cis_rule_6_3_3_15 %}
-a always,exit -F path=/usr/bin/chcon -F perm=x -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k perm_chng
{% endif %}
{% if rhel9cis_rule_6_3_3_16 %}
-a always,exit -F path=/usr/bin/setfacl -F perm=x -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k perm_chng
{% endif %}
{% if rhel9cis_rule_6_3_3_17 %}
-a always,exit -F path=/usr/bin/chacl -F perm=x -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k perm_chng
{% endif %}
{% if rhel9cis_rule_6_3_3_18 %}
-a always,exit -F path=/usr/sbin/usermod -F perm=x -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k usermod
{% endif %}
{% if rhel9cis_rule_6_3_3_19 %}
-a always,exit -F path=/usr/bin/kmod -F perm=x -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k kernel_modules
{% set syscalls = ["init_module","finit_module","delete_module","create_module","query_module"] %}
{% set arch_syscalls = syscalls | select("in", supported_syscalls) | list %}
-a always,exit -F arch=b64 -S {{ arch_syscalls|join(',') }} -F auid>={{ prelim_min_int_uid }} -F auid!=unset -k kernel_modules
{% endif %}
{% if rhel9cis_rule_6_3_3_20 %}
-e 2

{% endif %}