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8.1.11_record_failed_access_file.sh 8.1.12_record_privileged_commands.sh 8.1.13_record_successful_mount.sh 8.1.14_record_file_deletions.sh 8.1.15_record_sudoers_edit.sh 8.1.16_record_sudo_usage.sh 8.1.17_record_kernel_modules.sh 8.1.18_freeze_auditd_conf.sh

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This commit is contained in:
thibault.dewailly 2016-04-14 16:44:14 +02:00
parent 2ad4260ffb
commit 488886305f
16 changed files with 548 additions and 0 deletions
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68
bin/hardening/8.1.11_record_failed_access_file.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.11 Collect Unsuccessful Unauthorized Access Attempts to Files (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
AUDIT_PARAMS='-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
-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'
# This function will be called if the script status is on enabled / audit mode
audit () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
add_end_of_file $FILE $AUDIT_VALUE
eval $(pkill -HUP -P 1 auditd)
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

68
bin/hardening/8.1.12_record_privileged_commands.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.12 Collect Use of Privileged Commands (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
# Find all files with setuid or setgid set
AUDIT_PARAMS=$(find / -xdev \( -perm -4000 -o -perm -2000 \) -type f | awk '{print \
"-a always,exit -F path=" $1 " -F perm=x -F auid>=1000 -F auid!=4294967295 \
-k privileged" }')
FILE='/etc/audit/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
add_end_of_file $FILE $AUDIT_VALUE
eval $(pkill -HUP -P 1 auditd)
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

66
bin/hardening/8.1.13_record_successful_mount.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.13 Collect Successful File System Mounts (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
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'
# This function will be called if the script status is on enabled / audit mode
audit () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
add_end_of_file $FILE $AUDIT_VALUE
eval $(pkill -HUP -P 1 auditd)
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

66
bin/hardening/8.1.14_record_file_deletions.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.14 Collect File Deletion Events by User (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
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'
# This function will be called if the script status is on enabled / audit mode
audit () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
add_end_of_file $FILE $AUDIT_VALUE
eval $(pkill -HUP -P 1 auditd)
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

66
bin/hardening/8.1.15_record_sudoers_edit.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.15 Collect Changes to System Administration Scope (sudoers) (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
AUDIT_PARAMS='-w /etc/sudoers -p wa -k sudoers
-w /etc/sudoers.d/ -p wa -k sudoers'
FILE='/etc/audit/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
add_end_of_file $FILE $AUDIT_VALUE
eval $(pkill -HUP -P 1 auditd)
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

65
bin/hardening/8.1.16_record_sudo_usage.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.16 Collect System Administrator Actions (sudolog) (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
AUDIT_PARAMS='-w /var/log/auth.log -p wa -k sudoaction'
FILE='/etc/audit/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
add_end_of_file $FILE $AUDIT_VALUE
eval $(pkill -HUP -P 1 auditd)
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

68
bin/hardening/8.1.17_record_kernel_modules.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.17 Collect Kernel Module Loading and Unloading (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
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'
# This function will be called if the script status is on enabled / audit mode
audit () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
add_end_of_file $FILE $AUDIT_VALUE
eval $(pkill -HUP -P 1 auditd)
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

65
bin/hardening/8.1.18_freeze_auditd_conf.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 8.1.17 Collect Kernel Module Loading and Unloading (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
AUDIT_PARAMS='-e 2'
FILE='/etc/audit/audit.rules'
# This function will be called if the script status is on enabled / audit mode
audit () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE"
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will be called if the script status is on enabled mode
apply () {
IFS=$'\n'
for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE must be in file $FILE"
does_pattern_exists_in_file $FILE $AUDIT_VALUE
if [ $FNRET != 0 ]; then
warn "$AUDIT_VALUE is not in file $FILE, adding it"
add_end_of_file $FILE $AUDIT_VALUE
eval $(pkill -HUP -P 1 auditd)
else
ok "$AUDIT_VALUE present in $FILE"
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

2
etc/conf.d/8.1.11_record_failed_access_file.cfg Normal file
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# Configuration for script of same name
status=enabled

2
etc/conf.d/8.1.12_record_privileged_commands.cfg Normal file
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# Configuration for script of same name
status=enabled

2
etc/conf.d/8.1.13_record_successful_mount.cfg Normal file
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# Configuration for script of same name
status=enabled

2
etc/conf.d/8.1.14_record_file_deletions.cfg Normal file
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# Configuration for script of same name
status=enabled

2
etc/conf.d/8.1.15_record_sudoers_edit.cfg Normal file
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# Configuration for script of same name
status=enabled

2
etc/conf.d/8.1.16_record_sudo_usage.cfg Normal file
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# Configuration for script of same name
status=enabled

2
etc/conf.d/8.1.17_record_kernel_modules.cfg Normal file
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# Configuration for script of same name
status=enabled

2
etc/conf.d/8.1.18_freeze_auditd_conf.cfg Normal file
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# Configuration for script of same name
status=enabled