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fix: change auditd file rule remediation (#179)

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Fixes #165
This commit is contained in:
GoldenKiwi 2023-05-05 12:32:22 +02:00 committed by GitHub
parent f28ffc244c
commit bd27cd0dae
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
29 changed files with 584 additions and 269 deletions
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51
bin/hardening/4.1.10_record_failed_access_file.sh
View File

@ -21,7 +21,8 @@ AUDIT_PARAMS='-a always,exit -F arch=b64 -S creat -S open -S openat -S truncate
-a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EACCES -F auid>=1000 -F auid!=4294967295 -k access
-a always,exit -F arch=b64 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=4294967295 -k access
-a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=4294967295 -k access'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -30,14 +31,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -45,18 +53,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.11_record_privileged_commands.sh
View File

@ -21,7 +21,8 @@ SUDO_CMD='sudo -n'
# Find all files with setuid or setgid set
AUDIT_PARAMS=$($SUDO_CMD find / -xdev -ignore_readdir_race \( -perm -4000 -o -perm -2000 \) -type f |
awk '{print "-a always,exit -F path=" $1 " -F perm=x -F auid>=1000 -F auid!=4294967295 -k privileged" }')
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -30,14 +31,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -45,18 +53,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.12_record_successful_mount.sh
View File

@ -19,7 +19,8 @@ DESCRIPTION="Collect sucessfull file system mounts."
AUDIT_PARAMS='-a always,exit -F arch=b64 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts
-a always,exit -F arch=b32 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -28,14 +29,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -43,18 +51,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.13_record_file_deletions.sh
View File

@ -19,7 +19,8 @@ DESCRIPTION="Collects file deletion events by users."
AUDIT_PARAMS='-a always,exit -F arch=b64 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete
-a always,exit -F arch=b32 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -28,14 +29,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -43,18 +51,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.14_record_sudoers_edit.sh
View File

@ -19,7 +19,8 @@ DESCRIPTION="Collect changes to system administration scopre."
AUDIT_PARAMS='-w /etc/sudoers -p wa -k sudoers
-w /etc/sudoers.d/ -p wa -k sudoers'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -28,14 +29,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -43,18 +51,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.15_record_sudo_usage.sh
View File

@ -18,7 +18,8 @@ HARDENING_LEVEL=4
DESCRIPTION="Collect system administration actions (sudolog)."
AUDIT_PARAMS='-w /var/log/auth.log -p wa -k sudoaction'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -27,14 +28,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -42,18 +50,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.16_record_kernel_modules.sh
View File

@ -21,7 +21,8 @@ AUDIT_PARAMS='-w /sbin/insmod -p x -k modules
-w /sbin/rmmod -p x -k modules
-w /sbin/modprobe -p x -k modules
-a always,exit -F arch=b64 -S init_module -S delete_module -k modules'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -30,14 +31,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -45,18 +53,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.17_freeze_auditd_conf.sh
View File

@ -18,7 +18,8 @@ HARDENING_LEVEL=4
DESCRIPTION="Make the audit configuration immutable."
AUDIT_PARAMS='-e 2'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -27,14 +28,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -42,18 +50,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.3_record_date_time_edit.sh
View File

@ -22,7 +22,8 @@ AUDIT_PARAMS='-a always,exit -F arch=b64 -S adjtimex -S settimeofday -k time-cha
-a always,exit -F arch=b64 -S clock_settime -k time-change
-a always,exit -F arch=b32 -S clock_settime -k time-change
-w /etc/localtime -p wa -k time-change'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -31,14 +32,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -46,18 +54,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.4_record_user_group_edit.sh
View File

@ -22,7 +22,8 @@ AUDIT_PARAMS='-w /etc/group -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'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -31,14 +32,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -46,18 +54,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.5_record_network_edit.sh
View File

@ -23,7 +23,8 @@ AUDIT_PARAMS='-a exit,always -F arch=b64 -S sethostname -S setdomainname -k syst
-w /etc/issue.net -p wa -k system-locale
-w /etc/hosts -p wa -k system-locale
-w /etc/network -p wa -k system-locale'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -32,14 +33,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -47,18 +55,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.6_record_mac_edit.sh
View File

@ -18,7 +18,8 @@ HARDENING_LEVEL=4
DESCRIPTION="Record events that modify the system's mandatory access controls (MAC)."
AUDIT_PARAMS='-w /etc/selinux/ -p wa -k MAC-policy'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -27,14 +28,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -42,18 +50,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.7_record_login_logout.sh
View File

@ -20,7 +20,8 @@ DESCRIPTION="Collect login and logout events."
AUDIT_PARAMS='-w /var/log/faillog -p wa -k logins
-w /var/log/lastlog -p wa -k logins
-w /var/log/tallylog -p wa -k logins'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -29,14 +30,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -44,18 +52,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.8_record_session_init.sh
View File

@ -20,7 +20,8 @@ DESCRIPTION="Collec sessions initiation information."
AUDIT_PARAMS='-w /var/run/utmp -p wa -k session
-w /var/log/wtmp -p wa -k session
-w /var/log/btmp -p wa -k session'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -29,14 +30,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -44,18 +52,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

51
bin/hardening/4.1.9_record_dac_edit.sh
View File

@ -23,7 +23,8 @@ AUDIT_PARAMS='-a always,exit -F arch=b64 -S chmod -S fchmod -S fchmodat -F auid>
-a always,exit -F arch=b32 -S chown -S fchown -S fchownat -S lchown -F auid>=1000 -F auid!=4294967295 -k perm_mod
-a always,exit -F arch=b64 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k perm_mod
-a always,exit -F arch=b32 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k perm_mod'
FILE='/etc/audit/audit.rules'
FILES_TO_SEARCH='/etc/audit/audit.rules /etc/audit/rules.d/audit.rules'
FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit() {
@ -32,14 +33,21 @@ audit() {
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE is present in $FILE"
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
crit "$AUDIT_VALUE is not present in $FILES_TO_SEARCH"
fi
done
IFS=$d_IFS
@ -47,18 +55,31 @@ audit() {
# This function will be called if the script status is on enabled mode
apply() {
IFS=$'\n'
# define custom IFS and save default one
d_IFS=$IFS
c_IFS=$'\n'
IFS=$c_IFS
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file "$FILE" "$AUDIT_VALUE"
if [ "$FNRET" != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
debug "$AUDIT_VALUE should be in file $FILES_TO_SEARCH"
IFS=$d_IFS
SEARCH_RES=0
for FILE_SEARCHED in $FILES_TO_SEARCH; do
does_pattern_exist_in_file "$FILE_SEARCHED" "$AUDIT_VALUE"
IFS=$c_IFS
if [ "$FNRET" != 0 ]; then
debug "$AUDIT_VALUE is not in file $FILE_SEARCHED"
else
ok "$AUDIT_VALUE is present in $FILE_SEARCHED"
SEARCH_RES=1
fi
done
if [ "$SEARCH_RES" = 0 ]; then
warn "$AUDIT_VALUE is not present in $FILES_TO_SEARCH, adding it to $FILE"
add_end_of_file "$FILE" "$AUDIT_VALUE"
eval "$(pkill -HUP -P 1 auditd)"
else
ok "$AUDIT_VALUE is present in $FILE"
fi
done
IFS=$d_IFS
}
# This function will check config parameters required

8
tests/hardening/4.1.10_record_failed_access_file.sh
View File

@ -13,10 +13,10 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -a always,exit -F arch=b64 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EACCES -F auid>=1000 -F auid!=4294967295 -k access is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EACCES -F auid>=1000 -F auid!=4294967295 -k access is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=4294967295 -k access is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=4294967295 -k access is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EACCES -F auid>=1000 -F auid!=4294967295 -k access is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EACCES -F auid>=1000 -F auid!=4294967295 -k access is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=4294967295 -k access is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S creat -S open -S openat -S truncate -S ftruncate -F exit=-EPERM -F auid>=1000 -F auid!=4294967295 -k access is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

4
tests/hardening/4.1.12_record_successful_mount.sh
View File

@ -13,7 +13,7 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -a always,exit -F arch=b64 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S mount -F auid>=1000 -F auid!=4294967295 -k mounts is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

4
tests/hardening/4.1.13_record_file_deletions.sh
View File

@ -13,7 +13,7 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -a always,exit -F arch=b64 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S unlink -S unlinkat -S rename -S renameat -F auid>=1000 -F auid!=4294967295 -k delete is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

4
tests/hardening/4.1.14_record_sudoers_edit.sh
View File

@ -13,7 +13,7 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -w /etc/sudoers -p wa -k sudoers is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/sudoers.d/ -p wa -k sudoers is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/sudoers -p wa -k sudoers is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/sudoers.d/ -p wa -k sudoers is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

2
tests/hardening/4.1.15_record_sudo_usage.sh
View File

@ -13,6 +13,6 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -w /var/log/auth.log -p wa -k sudoaction is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /var/log/auth.log -p wa -k sudoaction is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

6
tests/hardening/4.1.16_record_kernel_modules.sh
View File

@ -13,8 +13,8 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -w /sbin/rmmod -p x -k modules is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /sbin/modprobe -p x -k modules is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S init_module -S delete_module -k modules is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /sbin/rmmod -p x -k modules is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /sbin/modprobe -p x -k modules is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S init_module -S delete_module -k modules is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

2
tests/hardening/4.1.17_freeze_auditd_conf.sh
View File

@ -13,6 +13,6 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -e 2 is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -e 2 is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

10
tests/hardening/4.1.3_record_date_time_edit.sh
View File

@ -13,10 +13,10 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -a always,exit -F arch=b64 -S adjtimex -S settimeofday -k time-change is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S adjtimex -S settimeofday -S stime -k time-change is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S clock_settime -k time-change is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S clock_settime -k time-change is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/localtime -p wa -k time-change is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S adjtimex -S settimeofday -k time-change is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S adjtimex -S settimeofday -S stime -k time-change is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S clock_settime -k time-change is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S clock_settime -k time-change is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/localtime -p wa -k time-change is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

10
tests/hardening/4.1.4_record_user_group_edit.sh
View File

@ -13,10 +13,10 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -w /etc/group -p wa -k identity is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/passwd -p wa -k identity is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/gshadow -p wa -k identity is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/shadow -p wa -k identity is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/security/opasswd -p wa -k identity is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/group -p wa -k identity is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/passwd -p wa -k identity is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/gshadow -p wa -k identity is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/shadow -p wa -k identity is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/security/opasswd -p wa -k identity is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

12
tests/hardening/4.1.5_record_network_edit.sh
View File

@ -13,12 +13,12 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -a exit,always -F arch=b64 -S sethostname -S setdomainname -k system-locale is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a exit,always -F arch=b32 -S sethostname -S setdomainname -k system-locale is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/issue -p wa -k system-locale is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/issue.net -p wa -k system-locale is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/hosts -p wa -k system-locale is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/network -p wa -k system-locale is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a exit,always -F arch=b64 -S sethostname -S setdomainname -k system-locale is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a exit,always -F arch=b32 -S sethostname -S setdomainname -k system-locale is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/issue -p wa -k system-locale is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/issue.net -p wa -k system-locale is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/hosts -p wa -k system-locale is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /etc/network -p wa -k system-locale is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

2
tests/hardening/4.1.6_record_mac_edit.sh
View File

@ -13,6 +13,6 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -w /etc/selinux/ -p wa -k MAC-policy is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /etc/selinux/ -p wa -k MAC-policy is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

6
tests/hardening/4.1.7_record_login_logout.sh
View File

@ -13,8 +13,8 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -w /var/log/faillog -p wa -k logins is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /var/log/lastlog -p wa -k logins is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /var/log/tallylog -p wa -k logins is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /var/log/faillog -p wa -k logins is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /var/log/lastlog -p wa -k logins is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /var/log/tallylog -p wa -k logins is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

6
tests/hardening/4.1.8_record_session_init.sh
View File

@ -13,8 +13,8 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -w /var/run/utmp -p wa -k session is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /var/log/wtmp -p wa -k session is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /var/log/btmp -p wa -k session is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -w /var/run/utmp -p wa -k session is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /var/log/wtmp -p wa -k session is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -w /var/log/btmp -p wa -k session is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}

12
tests/hardening/4.1.9_record_dac_edit.sh
View File

@ -13,11 +13,11 @@ test_audit() {
describe Checking resolved state
register_test retvalshouldbe 0
register_test contain "[ OK ] -a always,exit -F arch=b64 -S chmod -S fchmod -S fchmodat -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S chmod -S fchmod -S fchmodat -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S chown -S fchown -S fchownat -S lchown -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S chown -S fchown -S fchownat -S lchown -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S chmod -S fchmod -S fchmodat -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S chmod -S fchmod -S fchmodat -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S chown -S fchown -S fchownat -S lchown -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S chown -S fchown -S fchownat -S lchown -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b64 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/rules.d/audit.rules"
register_test contain "[ OK ] -a always,exit -F arch=b32 -S setxattr -S lsetxattr -S fsetxattr -S removexattr -S lremovexattr -S fremovexattr -F auid>=1000 -F auid!=4294967295 -k perm_mod is present in /etc/audit/rules.d/audit.rules"
run resolved /opt/debian-cis/bin/hardening/"${script}".sh --audit-all
}