diff options
Diffstat (limited to 'cron-sh/diff_check.sh')
| -rwxr-xr-x | cron-sh/diff_check.sh | 56 |
1 files changed, 41 insertions, 15 deletions
diff --git a/cron-sh/diff_check.sh b/cron-sh/diff_check.sh index 1b6f9e4..f93c754 100755 --- a/cron-sh/diff_check.sh +++ b/cron-sh/diff_check.sh @@ -55,7 +55,8 @@ fi if [[ ${CHECK_WRITEABLE} == yes ]]; then if [[ -f ${WRITEABLE_YESTERDAY} ]]; then - if ! diff -u ${WRITEABLE_YESTERDAY} ${WRITEABLE_TODAY} > ${WRITEABLE_DIFF}; then + diff -u ${WRITEABLE_YESTERDAY} ${WRITEABLE_TODAY} > ${WRITEABLE_DIFF} + if [ -s ${WRITEABLE_DIFF} ]; then printf "\nSecurity Warning: Change in World Writeable Files found :\n" >> ${TMP} grep '^+' ${WRITEABLE_DIFF} | grep -vw "^+++ " | sed 's|^.||' | while read file; do printf "\t\t- Added writables files : ${file}\n" @@ -72,7 +73,8 @@ fi if [[ ${CHECK_UNOWNED} == yes ]]; then if [[ -f ${UNOWNED_USER_YESTERDAY} ]]; then - if ! diff -u ${UNOWNED_USER_YESTERDAY} ${UNOWNED_USER_TODAY} > ${UNOWNED_USER_DIFF}; then + diff -u ${UNOWNED_USER_YESTERDAY} ${UNOWNED_USER_TODAY} > ${UNOWNED_USER_DIFF} + if [ -s ${UNOWNED_USER_DIFF} ]; then printf "\nSecurity Warning: the following files aren't owned by an user :\n" >> ${TMP} grep '^+' ${UNOWNED_USER_DIFF} | grep -vw "^+++ " | sed 's|^.||' | while read file; do printf "\t\t- Added un-owned files : ${file}\n" @@ -84,7 +86,8 @@ if [[ ${CHECK_UNOWNED} == yes ]]; then fi if [[ -f ${UNOWNED_GROUP_YESTERDAY} ]]; then - if ! diff -u ${UNOWNED_GROUP_YESTERDAY} ${UNOWNED_GROUP_TODAY} > ${UNOWNED_GROUP_DIFF}; then + diff -u ${UNOWNED_GROUP_YESTERDAY} ${UNOWNED_GROUP_TODAY} > ${UNOWNED_GROUP_DIFF} + if [ -s ${UNOWNED_GROUP_DIFF} ]; then printf "\nSecurity Warning: the following files aren't owned by a group :\n" >> ${TMP} grep '^+' ${UNOWNED_GROUP_DIFF} | grep -vw "^+++ " | sed 's|^.||' | while read file; do printf "\t\t- Added un-owned files : ${file}\n" @@ -102,7 +105,8 @@ if [[ ${CHECK_SUID_MD5} == yes ]]; then ctrl_md5=0; if [[ -f ${SUID_MD5_YESTERDAY} ]]; then - if ! diff -u ${SUID_MD5_YESTERDAY} ${SUID_MD5_TODAY} > ${SUID_MD5_DIFF}; then + diff -u ${SUID_MD5_YESTERDAY} ${SUID_MD5_TODAY} > ${SUID_MD5_DIFF} + if [ -s ${SUID_MD5_DIFF} ]; then grep '^+' ${SUID_MD5_DIFF} | grep -vw "^+++ " | sed 's|^.||' | awk '{print $2}' | while read file; do if cat ${SUID_MD5_YESTERDAY} | awk '{print $2}' | grep -qw ${file}; then if [[ ${ctrl_md5} == 0 ]]; then @@ -122,8 +126,9 @@ fi if [[ ${CHECK_OPEN_PORT} == yes ]]; then if [[ -f ${OPEN_PORT_YESTERDAY} ]]; then - if ! diff -u ${OPEN_PORT_YESTERDAY} ${OPEN_PORT_TODAY} 1> ${OPEN_PORT_DIFF}; then - printf "\nSecurity Warning: There is modifications for port listening on your machine :\n" >> ${TMP} + diff -u ${OPEN_PORT_YESTERDAY} ${OPEN_PORT_TODAY} 1> ${OPEN_PORT_DIFF} + if [ -s ${OPEN_PORT_DIFF} ]; then + printf "\nSecurity Warning: There are modifications for port listening on your machine :\n" >> ${TMP} grep '^+' ${OPEN_PORT_DIFF} | grep -vw "^+++ " | sed 's|^.||' | while read file; do printf "\t\t- Opened ports : ${file}\n" done >> ${TMP} @@ -135,26 +140,47 @@ if [[ ${CHECK_OPEN_PORT} == yes ]]; then fi +### rpm database +if [[ ${RPM_CHECK} == yes ]]; then + if [[ -f ${RPM_VA_YESTERDAY} ]]; then + diff -u ${RPM_VA_YESTERDAY} ${RPM_VA_TODAY} > ${RPM_VA_DIFF} + if [ -s ${RPM_VA_DIFF} ]; then + printf "\nSecurity Warning: These files have been modified on the system :\n" >> ${TMP} + grep '^+' ${RPM_VA_DIFF} | grep -vw "^+++ " | sed 's|^.||' | while read file; do + printf "\t\t- newly modified : ${file}\n" + done >> ${TMP} + grep '^-' ${RPM_VA_DIFF} | grep -vw "^--- " | sed 's|^.||' | while read file; do + printf "\t\t- no more modified : ${file}\n" + done >> ${TMP} + fi + fi + if [[ -f ${RPM_QA_YESTERDAY} ]]; then + diff -u ${RPM_QA_YESTERDAY} ${RPM_QA_TODAY} > ${RPM_QA_DIFF} + if [ -s ${RPM_QA_DIFF} ]; then + printf "\nSecurity Warning: These packages have changed on the system :\n" >> ${TMP} + grep '^+' ${RPM_QA_DIFF} | grep -vw "^+++ " | sed 's|^.||' | while read file; do + printf "\t\t- added package : ${file}\n" + done >> ${TMP} + grep '^-' ${RPM_QA_DIFF} | grep -vw "^--- " | sed 's|^.||' | while read file; do + printf "\t\t- removed package : ${file}\n" + done >> ${TMP} + fi + fi +fi + ######## Report ###### if [[ -s ${TMP} ]]; then Syslog ${TMP} Ttylog ${TMP} date=`date` + hostname=`hostname` echo -e "\n\n*** Diff Check, ${date} ***\n" >> ${SECURITY_LOG} cat ${TMP} >> ${SECURITY_LOG} - Maillog "*** Diff Check, ${date} ***" "${TMP}" + Maillog "*** Diff Check on ${hostname}, ${date} ***" "${TMP}" fi if [[ -f ${TMP} ]]; then rm -f ${TMP} fi - - - - - - - - |