#!/bin/bash #A script to enumerate local information from a Linux host v="version 0.5 (experimental)" #@oshearing #help function usage () { echo -e "\n\e[00;31m#########################################################\e[00m" echo -e "\e[00;31m#\e[00m" "\e[00;33mLocal Linux Enumeration & Privilege Escalation Script\e[00m" "\e[00;31m#\e[00m" echo -e "\e[00;31m#########################################################\e[00m" echo -e "\e[00;33m# www.rebootuser.com\e[00m" echo -e "\e[00;33m# $v\e[00m\n" echo -e "\e[00;33m# Example: ./LinEnum.sh -k keyword -r report -e /tmp/ -t \e[00m\n" echo "OPTIONS:" echo "-k Enter keyword" echo "-e Enter export location" echo "-t Include thorough (lengthy) tests" echo "-r Enter report name" echo "-h Displays this help text" echo -e "\n" echo "Running with no options = limited scans/no output file" echo -e "\e[00;31m#########################################################\e[00m" } while getopts "h:k:r:e:t" option; do case "${option}" in k) keyword=${OPTARG};; r) report=${OPTARG}"-"`date +"%d-%m-%y"`;; e) export=${OPTARG};; t) thorough=1;; h) usage; exit;; *) usage; exit;; esac done echo -e "\n\e[00;31m#########################################################\e[00m" |tee -a $report 2>/dev/null echo -e "\e[00;31m#\e[00m" "\e[00;33mLocal Linux Enumeration & Privilege Escalation Script\e[00m" "\e[00;31m#\e[00m" |tee -a $report 2>/dev/null echo -e "\e[00;31m#########################################################\e[00m" |tee -a $report 2>/dev/null echo -e "\e[00;33m# www.rebootuser.com\e[00m" |tee -a $report 2>/dev/null echo -e "\e[00;33m# $version\e[00m\n" |tee -a $report 2>/dev/null echo "Debug Info" |tee -a $report 2>/dev/null if [ "$keyword" ]; then echo "keyword = $keyword" |tee -a $report 2>/dev/null else : fi if [ "$report" ]; then echo "report name = $report" |tee -a $report 2>/dev/null else : fi if [ "$export" ]; then echo "export location = $export" |tee -a $report 2>/dev/null else : fi if [ "$thorough" ]; then echo "thorough tests = enabled" |tee -a $report 2>/dev/null else echo "thorough tests = disabled" |tee -a $report 2>/dev/null fi sleep 2 if [ "$export" ]; then mkdir $export 2>/dev/null format=$export/LinEnum-export-`date +"%d-%m-%y_%H:%M"` mkdir $format 2>/dev/null else : fi who=`whoami` |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null echo -e "\e[00;33mScan started at:"; date |tee -a $report 2>/dev/null echo -e "\e[00m\n" |tee -a $report 2>/dev/null echo -e "\e[00;33m### SYSTEM ##############################################\e[00m" |tee -a $report 2>/dev/null #basic kernel info unameinfo=`uname -a 2>/dev/null` if [ "$unameinfo" ]; then echo -e "\e[00;31mKernel information:\e[00m\n$unameinfo" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi procver=`cat /proc/version 2>/dev/null` if [ "$procver" ]; then echo -e "\e[00;31mKernel information (continued):\e[00m\n$procver" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #search all *-release files for version info release=`cat /etc/*-release 2>/dev/null` if [ "$release" ]; then echo -e "\e[00;31mSpecific release information:\e[00m\n$release" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #target hostname info hostnamed=`hostname 2>/dev/null` if [ "$hostnamed" ]; then echo -e "\e[00;31mHostname:\e[00m\n$hostnamed" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi echo -e "\e[00;33m### USER/GROUP ##########################################\e[00m" |tee -a $report 2>/dev/null #current user details currusr=`id 2>/dev/null` if [ "$currusr" ]; then echo -e "\e[00;31mCurrent user/group info:\e[00m\n$currusr" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #last logged on user information lastlogedonusrs=`lastlog |grep -v "Never" 2>/dev/null` if [ "$lastlogedonusrs" ]; then echo -e "\e[00;31mUsers that have previously logged onto the system:\e[00m\n$lastlogedonusrs" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #strips out username uid and gid values from /etc/passwd usrsinfo=`cat /etc/passwd | cut -d ":" -f 1,2,3,4 2>/dev/null` if [ "$usrsinfo" ]; then echo -e "\e[00;31mAll users and uid/gid info:\e[00m\n$usrsinfo" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #lists all id's and respective group(s) grpinfo=`for i in $(cat /etc/passwd 2>/dev/null| cut -d":" -f1 2>/dev/null);do id $i;done 2>/dev/null` if [ "$grpinfo" ]; then echo -e "\e[00;31mGroup memberships:\e[00m\n$grpinfo" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #checks to see if any hashes are stored in /etc/passwd (depreciated *nix storage method) hashesinpasswd=`grep -v '^[^:]*:[x]' /etc/passwd 2>/dev/null` if [ "$hashesinpasswd" ]; then echo -e "\e[00;33mIt looks like we have password hashes in /etc/passwd!\e[00m\n$hashesinpasswd" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #locate custom user accounts with some 'known default' uids readpasswd=`grep -v "^#" /etc/passwd | awk -F: '$3 == 0 || $3 == 500 || $3 == 501 || $3 == 502 || $3 == 1000 || $3 == 1001 || $3 == 1002 || $3 == 2000 || $3 == 2001 || $3 == 2002 { print }'` if [ "$readpasswd" ]; then echo -e "\e[00;31mSample entires from /etc/passwd (searching for uid values 0, 500, 501, 502, 1000, 1001, 1002, 2000, 2001, 2002):\e[00m\n$readpasswd" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$readpasswd" ]; then mkdir $format/etc-export/ 2>/dev/null cp /etc/passwd $format/etc-export/passwd 2>/dev/null else : fi #checks to see if the shadow file can be read readshadow=`cat /etc/shadow 2>/dev/null` if [ "$readshadow" ]; then echo -e "\e[00;33m***We can read the shadow file!\e[00m\n$readshadow" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$readshadow" ]; then mkdir $format/etc-export/ 2>/dev/null cp /etc/shadow $format/etc-export/shadow 2>/dev/null else : fi #checks to see if /etc/master.passwd can be read - BSD 'shadow' variant readmasterpasswd=`cat /etc/master.passwd 2>/dev/null` if [ "$readmasterpasswd" ]; then echo -e "\e[00;33m***We can read the master.passwd file!\e[00m\n$readmasterpasswd" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$readmasterpasswd" ]; then mkdir $format/etc-export/ 2>/dev/null cp /etc/master.passwd $format/etc-export/master.passwd 2>/dev/null else : fi #all root accounts (uid 0) echo -e "\e[00;31mSuper user account(s):\e[00m" | tee -a $report 2>/dev/null; grep -v -E "^#" /etc/passwd 2>/dev/null| awk -F: '$3 == 0 { print $1}' 2>/dev/null |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null #pull out vital sudoers info sudoers=`cat /etc/sudoers 2>/dev/null | grep -v -e '^$'|grep -v "#"` if [ "$sudoers" ]; then echo -e "\e[00;31mSudoers configuration (condensed):\e[00m$sudoers" | tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$sudoers" ]; then mkdir $format/etc-export/ 2>/dev/null cp /etc/sudoers $format/etc-export/sudoers 2>/dev/null else : fi #can we sudo without supplying a password sudoperms=`echo '' | sudo -S -l 2>/dev/null` if [ "$sudoperms" ]; then echo -e "\e[00;33mWe can sudo without supplying a password!\e[00m\n$sudoperms" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #known 'good' breakout binaries sudopwnage=`echo '' | sudo -S -l 2>/dev/null | grep -w 'nmap\|perl\|'awk'\|'find'\|'bash'\|'sh'\|'man'\|'more'\|'less'\|'vi'\|'vim'\|'nc'\|'netcat'\|python\|ruby\|lua\|irb' | xargs -r ls -la 2>/dev/null` if [ "$sudopwnage" ]; then echo -e "\e[00;33m***Possible Sudo PWNAGE!\e[00m\n$sudopwnage" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #checks to see if roots home directory is accessible rthmdir=`ls -ahl /root/ 2>/dev/null` if [ "$rthmdir" ]; then echo -e "\e[00;33m***We can read root's home directory!\e[00m\n$rthmdir" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #displays /home directory permissions - check if any are lax homedirperms=`ls -ahl /home/ 2>/dev/null` if [ "$homedirperms" ]; then echo -e "\e[00;31mAre permissions on /home directories lax:\e[00m\n$homedirperms" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #looks for files we can write to that don't belong to us if [ "$thorough" = "1" ]; then grfilesall=`find / -writable -not -user \`whoami\` -type f -not -path "/proc/*" -exec ls -al {} \; 2>/dev/null` if [ "$grfilesall" ]; then echo -e "\e[00;31mFiles not owned by user but writable by group:\e[00m\n$grfilesall" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi fi #looks for world-reabable files within /home - depending on number of /home dirs & files, this can take some time so is only 'activated' with thorough scanning switch if [ "$thorough" = "1" ]; then wrfileshm=`find /home/ -perm -4 -type f -exec ls -al {} \; 2>/dev/null` if [ "$wrfileshm" ]; then echo -e "\e[00;31mWorld-readable files within /home:\e[00m\n$wrfileshm" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi if [ "$thorough" = "1" ]; then if [ "$export" ] && [ "$wrfileshm" ]; then mkdir $format/wr-files/ 2>/dev/null for i in $wrfileshm; do cp --parents $i $format/wr-files/ ; done 2>/dev/null else : fi else : fi #lists current user's home directory contents if [ "$thorough" = "1" ]; then homedircontents=`ls -ahl ~ 2>/dev/null` if [ "$homedircontents" ] ; then echo -e "\e[00;31mHome directory contents:\e[00m\n$homedircontents" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi #checks for if various ssh files are accessible - this can take some time so is only 'activated' with thorough scanning switch if [ "$thorough" = "1" ]; then sshfiles=`find / -name "id_dsa*" -o -name "id_rsa*" -o -name "known_hosts" -o -name "authorized_hosts" -o -name "authorized_keys" 2>/dev/null |xargs -r ls` if [ "$sshfiles" ]; then echo -e "\e[00;31mSSH keys/host information found in the following locations:\e[00m\n$sshfiles" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi if [ "$thorough" = "1" ]; then if [ "$export" ] && [ "$sshfiles" ]; then mkdir $format/ssh-files/ 2>/dev/null for i in $sshfiles; do cp --parents $i $format/ssh-files/; done 2>/dev/null else : fi else : fi #is root permitted to login via ssh sshrootlogin=`grep "PermitRootLogin " /etc/ssh/sshd_config 2>/dev/null | grep -v "#" | awk '{print $2}'` if [ "$sshrootlogin" = "yes" ]; then echo -e "\e[00;31mRoot is allowed to login via SSH:\e[00m" |tee -a $report 2>/dev/null; grep "PermitRootLogin " /etc/ssh/sshd_config 2>/dev/null | grep -v "#" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi echo -e "\e[00;33m### ENVIRONMENTAL #######################################\e[00m" |tee -a $report 2>/dev/null #current path configuration pathinfo=`echo $PATH 2>/dev/null` if [ "$pathinfo" ]; then echo -e "\e[00;31mPath information:\e[00m\n$pathinfo" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #lists available shells shellinfo=`cat /etc/shells 2>/dev/null` if [ "$shellinfo" ]; then echo -e "\e[00;31mAvailable shells:\e[00m\n$shellinfo" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #current umask value with both octal and symbolic output umask=`umask -S 2>/dev/null & umask 2>/dev/null` if [ "$umask" ]; then echo -e "\e[00;31mCurrent umask value:\e[00m\n$umask" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #umask value as in /etc/login.defs umaskdef=`cat /etc/login.defs 2>/dev/null |grep -i UMASK 2>/dev/null |grep -v "#" 2>/dev/null` if [ "$umaskdef" ]; then echo -e "\e[00;31mumask value as specified in /etc/login.defs:\e[00m\n$umaskdef" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #password policy information as stored in /etc/login.defs logindefs=`cat /etc/login.defs 2>/dev/null | grep "PASS_MAX_DAYS\|PASS_MIN_DAYS\|PASS_WARN_AGE\|ENCRYPT_METHOD" 2>/dev/null | grep -v "#" 2>/dev/null` if [ "$logindefs" ]; then echo -e "\e[00;31mPassword and storage information:\e[00m\n$logindefs" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$logindefs" ]; then mkdir $format/etc-export/ 2>/dev/null cp /etc/login.defs $format/etc-export/login.defs 2>/dev/null else : fi echo -e "\e[00;33m### JOBS/TASKS ##########################################\e[00m" |tee -a $report 2>/dev/null #are there any cron jobs configured cronjobs=`ls -la /etc/cron* 2>/dev/null` if [ "$cronjobs" ]; then echo -e "\e[00;31mCron jobs:\e[00m\n$cronjobs" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #can we manipulate these jobs in any way cronjobwwperms=`find /etc/cron* -perm -0002 -exec ls -la {} \; -exec cat {} 2>/dev/null \;` if [ "$cronjobwwperms" ]; then echo -e "\e[00;33m***World-writable cron jobs and file contents:\e[00m\n$cronjobwwperms" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #contab contents crontab=`cat /etc/crontab 2>/dev/null` if [ "$crontab" ]; then echo -e "\e[00;31mCrontab contents:\e[00m\n$crontab" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi crontabvar=`ls -la /var/spool/cron/crontabs 2>/dev/null` if [ "$crontabvar" ]; then echo -e "\e[00;31mAnything interesting in /var/spool/cron/crontabs:\e[00m\n$crontabvar" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi anacronjobs=`ls -la /etc/anacrontab 2>/dev/null; cat /etc/anacrontab 2>/dev/null` if [ "$anacronjobs" ]; then echo -e "\e[00;31mAnacron jobs and associated file permissions:\e[00m\n$anacronjobs" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi anacrontab=`ls -la /var/spool/anacron 2>/dev/null` if [ "$anacrontab" ]; then echo -e "\e[00;31mWhen were jobs last executed (/var/spool/anacron contents):\e[00m\n$anacrontab" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #pull out account names from /etc/passwd and see if any users have associated cronjobs (priv command) cronother=`cat /etc/passwd | cut -d ":" -f 1 | xargs -n1 crontab -l -u 2>/dev/null` if [ "$cronother" ]; then echo -e "\e[00;31mJobs held by all users:\e[00m\n$cronother" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi echo -e "\e[00;33m### NETWORKING ##########################################\e[00m" |tee -a $report 2>/dev/null #nic information nicinfo=`/sbin/ifconfig -a 2>/dev/null` if [ "$nicinfo" ]; then echo -e "\e[00;31mNetwork & IP info:\e[00m\n$nicinfo" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #dns settings nsinfo=`cat /etc/resolv.conf 2>/dev/null | grep "nameserver"` if [ "$nsinfo" ]; then echo -e "\e[00;31mNameserver(s):\e[00m\n$nsinfo" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #default route configuration defroute=`route 2>/dev/null | grep default` if [ "$defroute" ]; then echo -e "\e[00;31mDefault route:\e[00m\n$defroute" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #listening TCP tcpservs=`netstat -antp 2>/dev/null` if [ "$tcpservs" ]; then echo -e "\e[00;31mListening TCP:\e[00m\n$tcpservs" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #listening UDP udpservs=`netstat -anup 2>/dev/null` if [ "$udpservs" ]; then echo -e "\e[00;31mListening UDP:\e[00m\n$udpservs" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi echo -e "\e[00;33m### SERVICES #############################################\e[00m" |tee -a $report 2>/dev/null #running processes psaux=`ps aux 2>/dev/null` if [ "$psaux" ]; then echo -e "\e[00;31mRunning processes:\e[00m\n$psaux" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #lookup process binary path and permissisons procperm=`ps aux | awk '{print $11}'|xargs -r ls -la 2>/dev/null |awk '!x[$0]++'` if [ "$procperm" ]; then echo -e "\e[00;31mProcess binaries & associated permissions (from above list):\e[00m\n$procperm" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$procperm" ]; then procpermbase=`ps aux | awk '{print $11}'|xargs -r ls 2>/dev/null |awk '!x[$0]++'` mkdir $format/ps-export/ 2>/dev/null for i in $procpermbase; do cp --parents $i $format/ps-export/; done 2>/dev/null else : fi #anything 'useful' in inetd.conf inetdread=`cat /etc/inetd.conf 2>/dev/null` if [ "$inetdread" ]; then echo -e "\e[00;31mContents of /etc/inetd.conf:\e[00m\n$inetdread" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$inetdread" ]; then mkdir $format/etc-export/ 2>/dev/null cp /etc/inetd.conf $format/etc-export/inetd.conf 2>/dev/null else : fi #very 'rough' command to extract associated binaries from inetd.conf & show permisisons of each inetdbinperms=`cat /etc/inetd.conf 2>/dev/null | awk '{print $7}' |xargs -r ls -la 2>/dev/null` if [ "$inetdbinperms" ]; then echo -e "\e[00;31mThe related inetd binary permissions:\e[00m\n$inetdbinperms" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi xinetdread=`cat /etc/xinetd.conf 2>/dev/null` if [ "$xinetdread" ]; then echo -e "\e[00;31mContents of /etc/xinetd.conf:\e[00m\n$xinetdread" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$xinetdread" ]; then mkdir $format/etc-export/ 2>/dev/null cp /etc/xinetd.conf $format/etc-export/xinetd.conf 2>/dev/null else : fi xinetdincd=`cat /etc/xinetd.conf 2>/dev/null |grep "/etc/xinetd.d" 2>/dev/null` if [ "$xinetdincd" ]; then echo -e "\e[00;31m/etc/xinetd.d is included in /etc/xinetd.conf - associated binary permissions are listed below:\e[00m" ls -la /etc/xinetd.d 2>/dev/null |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #very 'rough' command to extract associated binaries from xinetd.conf & show permisisons of each xinetdbinperms=`cat /etc/xinetd.conf 2>/dev/null | awk '{print $7}' |xargs -r ls -la 2>/dev/null` if [ "$xinetdbinperms" ]; then echo -e "\e[00;31mThe related xinetd binary permissions:\e[00m\n$xinetdbinperms" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi initdread=`ls -la /etc/init.d 2>/dev/null` if [ "$initdread" ]; then echo -e "\e[00;31m/etc/init.d/ binary permissions:\e[00m\n$initdread" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #init.d files NOT belonging to root! initdperms=`find /etc/init.d/ \! -uid 0 -type f 2>/dev/null |xargs -r ls -la 2>/dev/null` if [ "$initdperms" ]; then echo -e "\e[00;31m/etc/init.d/ files not belonging to root (uid 0):\e[00m\n$initdperms" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi rcdread=`ls -la /etc/rc.d/init.d 2>/dev/null` if [ "$rcdread" ]; then echo -e "\e[00;31m/etc/rc.d/init.d binary permissions:\e[00m\n$rcdread" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #init.d files NOT belonging to root! rcdperms=`find /etc/rc.d/init.d \! -uid 0 -type f 2>/dev/null |xargs -r ls -la 2>/dev/null` if [ "$rcdperms" ]; then echo -e "\e[00;31m/etc/rc.d/init.d files not belonging to root (uid 0):\e[00m\n$rcdperms" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi usrrcdread=`ls -la /usr/local/etc/rc.d 2>/dev/null` if [ "$usrrcdread" ]; then echo -e "\e[00;31m/usr/local/etc/rc.d binary permissions:\e[00m\n$usrrcdread" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #rc.d files NOT belonging to root! usrrcdperms=`find /usr/local/etc/rc.d \! -uid 0 -type f 2>/dev/null |xargs -r ls -la 2>/dev/null` if [ "$usrrcdperms" ]; then echo -e "\e[00;31m/usr/local/etc/rc.d files not belonging to root (uid 0):\e[00m\n$usrrcdperms" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi echo -e "\e[00;33m### SOFTWARE #############################################\e[00m" |tee -a $report 2>/dev/null #sudo version - check to see if there are any known vulnerabilities with this sudover=`sudo -V 2>/dev/null| grep "Sudo version" 2>/dev/null` if [ "$sudover" ]; then echo -e "\e[00;31mSudo version:\e[00m\n$sudover" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #mysql details - if installed mysqlver=`mysql --version 2>/dev/null` if [ "$mysqlver" ]; then echo -e "\e[00;31mMYSQL version:\e[00m\n$mysqlver" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #checks to see if root/root will get us a connection mysqlconnect=`mysqladmin -uroot -proot version 2>/dev/null` if [ "$mysqlconnect" ]; then echo -e "\e[00;33m***We can connect to the local MYSQL service with default root/root credentials!\e[00m\n$mysqlconnect" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #mysql version details mysqlconnectnopass=`mysqladmin -uroot version 2>/dev/null` if [ "$mysqlconnectnopass" ]; then echo -e "\e[00;33m***We can connect to the local MYSQL service as 'root' and without a password!\e[00m\n$mysqlconnectnopass" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #postgres details - if installed postgver=`psql -V 2>/dev/null` if [ "$postgver" ]; then echo -e "\e[00;31mPostgres version:\e[00m\n$postgver" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #checks to see if any postgres password exists and connects to DB 'template0' - following commands are a variant on this postcon1=`psql -U postgres template0 -c 'select version()' 2>/dev/null | grep version` if [ "$postcon1" ]; then echo -e "\e[00;33m***We can connect to Postgres DB 'template0' as user 'postgres' with no password!:\e[00m\n$postcon1" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi postcon11=`psql -U postgres template1 -c 'select version()' 2>/dev/null | grep version` if [ "$postcon11" ]; then echo -e "\e[00;33m***We can connect to Postgres DB 'template1' as user 'postgres' with no password!:\e[00m\n$postcon11" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi postcon2=`psql -U pgsql template0 -c 'select version()' 2>/dev/null | grep version` if [ "$postcon2" ]; then echo -e "\e[00;33m***We can connect to Postgres DB 'template0' as user 'psql' with no password!:\e[00m\n$postcon2" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi postcon22=`psql -U pgsql template1 -c 'select version()' 2>/dev/null | grep version` if [ "$postcon22" ]; then echo -e "\e[00;33m***We can connect to Postgres DB 'template1' as user 'psql' with no password!:\e[00m\n$postcon22" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #apache details - if installed apachever=`apache2 -v 2>/dev/null; httpd -v 2>/dev/null` if [ "$apachever" ]; then echo -e "\e[00;31mApache version:\e[00m\n$apachever" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #what account is apache running under apacheusr=`cat /etc/apache2/envvars 2>/dev/null |grep -i 'user\|group' |awk '{sub(/.*\export /,"")}1'` if [ "$apacheusr" ]; then echo -e "\e[00;31mApache user configuration:\e[00m\n$apacheusr" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$apacheusr" ]; then mkdir --parents $format/etc-export/apache2/ 2>/dev/null cp /etc/apache2/envvars $format/etc-export/apache2/envvars 2>/dev/null else : fi echo -e "\e[00;33m### INTERESTING FILES ####################################\e[00m" |tee -a $report 2>/dev/null #checks to see if various files are installed echo -e "\e[00;31mUseful file locations:\e[00m" |tee -a $report 2>/dev/null; which nc 2>/dev/null |tee -a $report 2>/dev/null; which netcat 2>/dev/null |tee -a $report 2>/dev/null; which wget 2>/dev/null |tee -a $report 2>/dev/null; which nmap 2>/dev/null |tee -a $report 2>/dev/null; which gcc 2>/dev/null |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null #limited search for installed compilers compiler=`dpkg --list 2>/dev/null| grep compiler |grep -v decompiler 2>/dev/null && yum list installed 'gcc*' 2>/dev/null| grep gcc 2>/dev/null` if [ "$compiler" ]; then echo -e "\e[00;31mInstalled compilers:\e[00m\n$compiler" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #manual check - lists out sensitive files, can we read/modify etc. echo -e "\e[00;31mCan we read/write sensitive files:\e[00m" |tee -a $report 2>/dev/null; ls -la /etc/passwd 2>/dev/null |tee -a $report 2>/dev/null; ls -la /etc/group 2>/dev/null |tee -a $report 2>/dev/null; ls -la /etc/profile 2>/dev/null; ls -la /etc/shadow 2>/dev/null |tee -a $report 2>/dev/null; ls -la /etc/master.passwd 2>/dev/null |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null #search for suid files - this can take some time so is only 'activated' with thorough scanning switch (as are all suid scans below) if [ "$thorough" = "1" ]; then findsuid=`find / -perm -4000 -type f -exec stat -c '%A %n' {} + 2>/dev/null` if [ "$findsuid" ]; then echo -e "\e[00;31mSUID files:\e[00m\n$findsuid" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi if [ "$thorough" = "1" ]; then if [ "$export" ] && [ "$findsuid" ]; then mkdir $format/suid-files/ 2>/dev/null for i in $findsuid; do cp $i $format/suid-files/; done 2>/dev/null else : fi else : fi #list of 'interesting' suid files - feel free to make additions if [ "$thorough" = "1" ]; then intsuid=`find / -perm -4000 -type f 2>/dev/null | grep -w 'nmap\|perl\|'awk'\|'find'\|'bash'\|'sh'\|'man'\|'more'\|'less'\|'vi'\|'vim'\|'nc'\|'netcat'\|python\|ruby\|lua\|irb\|pl' | xargs -r ls -la` 2>/dev/null if [ "$intsuid" ]; then echo -e "\e[00;33m***Possibly interesting SUID files:\e[00m\n$intsuid" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi #lists word-writable suid files if [ "$thorough" = "1" ]; then wwsuid=`find / -perm -4007 -type f 2>/dev/null` if [ "$wwsuid" ]; then echo -e "\e[00;31mWorld-writable SUID files:\e[00m\n$wwsuid" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi #lists world-writable suid files owned by root if [ "$thorough" = "1" ]; then wwsuidrt=`find / -uid 0 -perm -4007 -type f 2>/dev/null` if [ "$wwsuidrt" ]; then echo -e "\e[00;31mWorld-writable SUID files owned by root:\e[00m\n$wwsuidrt" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi #search for guid files - this can take some time so is only 'activated' with thorough scanning switch (as are all guid scans below) if [ "$thorough" = "1" ]; then findguid=`find / -perm -2000 -type f 2>/dev/null` if [ "$findguid" ]; then echo -e "\e[00;31mGUID files:\e[00m\n$findguid" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi if [ "$thorough" = "1" ]; then if [ "$export" ] && [ "$findguid" ]; then mkdir $format/guid-files/ 2>/dev/null for i in $findguid; do cp $i $format/guid-files/; done 2>/dev/null else : fi else : fi #list of 'interesting' guid files - feel free to make additions if [ "$thorough" = "1" ]; then intguid=`find / -perm -2000 -type f 2>/dev/null | grep -w 'nmap\|perl\|'awk'\|'find'\|'bash'\|'sh'\|'man'\|'more'\|'less'\|'vi'\|'vim'\|'nc'\|'netcat'\|python\|ruby\|lua\|irb\|pl' | xargs -r ls -la` if [ "$intguid" ]; then echo -e "\e[00;33m***Possibly interesting GUID files:\e[00m\n$intguid" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi #lists world-writable guid files if [ "$thorough" = "1" ]; then wwguid=`find / -perm -2007 -type f 2>/dev/null` if [ "$wwguid" ]; then echo -e "\e[00;31mWorld-writable GUID files:\e[00m\n$wwguid" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi #lists world-writable guid files owned by root if [ "$thorough" = "1" ]; then wwguidrt=`find / -uid 0 -perm -2007 -type f 2>/dev/null` if [ "$wwguidrt" ]; then echo -e "\e[00;31mAWorld-writable GUID files owned by root:\e[00m\n$wwguidrt" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi #list all world-writable files excluding /proc if [ "$thorough" = "1" ]; then wwfiles=`find / ! -path "*/proc/*" -perm -2 -type f -print 2>/dev/null` if [ "$wwfiles" ]; then echo -e "\e[00;31mWorld-writable files (excluding /proc):\e[00m\n$wwfiles" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi else : fi if [ "$thorough" = "1" ]; then if [ "$export" ] && [ "$wwfiles" ]; then mkdir $format/ww-files/ 2>/dev/null for i in $wwfiles; do cp --parents $i $format/ww-files/; done 2>/dev/null else : fi else : fi #are any .plan files accessible in /home (could contain useful information) usrplan=`find /home -iname *.plan -exec ls -la {} \; -exec cat {} 2>/dev/null \;` if [ "$usrplan" ]; then echo -e "\e[00;31mPlan file permissions and contents:\e[00m\n$usrplan" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$usrplan" ]; then mkdir $format/plan_files/ 2>/dev/null for i in $usrplan; do cp --parents $i $format/plan_files/; done 2>/dev/null else : fi bsdusrplan=`find /usr/home -iname *.plan -exec ls -la {} \; -exec cat {} 2>/dev/null \;` if [ "$bsdusrplan" ]; then echo -e "\e[00;31mPlan file permissions and contents:\e[00m\n$bsdusrplan" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$bsdusrplan" ]; then mkdir $format/plan_files/ 2>/dev/null for i in $bsdusrplan; do cp --parents $i $format/plan_files/; done 2>/dev/null else : fi #are there any .rhosts files accessible - these may allow us to login as another user etc. rhostsusr=`find /home -iname *.rhosts -exec ls -la {} 2>/dev/null \; -exec cat {} 2>/dev/null \;` if [ "$rhostsusr" ]; then echo -e "\e[00;31mrhost config file(s) and file contents:\e[00m\n$rhostsusr" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$rhostsusr" ]; then mkdir $format/rhosts/ 2>/dev/null for i in $rhostsusr; do cp --parents $i $format/rhosts/; done 2>/dev/null else : fi bsdrhostsusr=`find /usr/home -iname *.rhosts -exec ls -la {} 2>/dev/null \; -exec cat {} 2>/dev/null \;` if [ "$bsdrhostsusr" ]; then echo -e "\e[00;31mrhost config file(s) and file contents:\e[00m\n$bsdrhostsusr" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$bsdrhostsusr" ]; then mkdir $format/rhosts 2>/dev/null for i in $bsdrhostsusr; do cp --parents $i $format/rhosts/; done 2>/dev/null else : fi rhostssys=`find /etc -iname hosts.equiv -exec ls -la {} 2>/dev/null \; -exec cat {} 2>/dev/null \;` if [ "$rhostssys" ]; then echo -e "\e[00;31mHosts.equiv file details and file contents: \e[00m\n$rhostssys" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$rhostssys" ]; then mkdir $format/rhosts/ 2>/dev/null for i in $rhostssys; do cp --parents $i $format/rhosts/; done 2>/dev/null else : fi #list nfs shares/permisisons etc. nfsexports=`ls -la /etc/exports 2>/dev/null; cat /etc/exports 2>/dev/null` if [ "$nfsexports" ]; then echo -e "\e[00;31mNFS config details: \e[00m\n$nfsexports" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$nfsexports" ]; then mkdir $format/etc-export/ 2>/dev/null cp /etc/exports $format/etc-export/exports 2>/dev/null else : fi #looking for credentials in /etc/fstab fstab=`cat /etc/fstab 2>/dev/null |grep username |awk '{sub(/.*\username=/,"");sub(/\,.*/,"")}1'| xargs -r echo username:; cat /etc/fstab 2>/dev/null |grep password |awk '{sub(/.*\password=/,"");sub(/\,.*/,"")}1'| xargs -r echo password:; cat /etc/fstab 2>/dev/null |grep domain |awk '{sub(/.*\domain=/,"");sub(/\,.*/,"")}1'| xargs -r echo domain:` if [ "$fstab" ]; then echo -e "\e[00;33m***Looks like there are credentials in /etc/fstab!\e[00m\n$fstab" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$fstab" ]; then mkdir $format/etc-exports/ 2>/dev/null cp /etc/fstab $format/etc-exports/fstab done 2>/dev/null else : fi fstabcred=`cat /etc/fstab 2>/dev/null |grep cred |awk '{sub(/.*\credentials=/,"");sub(/\,.*/,"")}1'| xargs -I{} sh -c 'ls -la {}; cat {}'` if [ "$fstabcred" ]; then echo -e "\e[00;33m***/etc/fstab contains a credentials file!\e[00m\n$fstabcred" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$fstabcred" ]; then mkdir $format/etc-exports/ 2>/dev/null cp /etc/fstab $format/etc-exports/fstab done 2>/dev/null else : fi #use supplied keyword and cat *.conf files for potential matches - output will show line number within relevant file path where a match has been located if [ "$keyword" = "" ]; then echo -e "Can't search *.conf files as no keyword was entered\n" |tee -a $report 2>/dev/null else confkey=`find / -maxdepth 4 -name *.conf -type f -exec grep -Hn $keyword {} \; 2>/dev/null` if [ "$confkey" ]; then echo -e "\e[00;31mFind keyword ($keyword) in .conf files (recursive 4 levels - output format filepath:identified line number where keyword appears):\e[00m\n$confkey" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else echo -e "\e[00;31mFind keyword ($keyword) in .conf files (recursive 4 levels):\e[00m" |tee -a $report 2>/dev/null echo -e "'$keyword' not found in any .conf files" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null fi fi if [ "$keyword" = "" ]; then : else if [ "$export" ] && [ "$confkey" ]; then confkeyfile=`find / -maxdepth 4 -name *.conf -type f -exec grep -lHn $keyword {} \; 2>/dev/null` mkdir --parents $format/keyword_file_matches/config_files/ 2>/dev/null for i in $confkeyfile; do cp --parents $i $format/keyword_file_matches/config_files/ ; done 2>/dev/null else : fi fi #use supplied keyword and cat *.log files for potential matches - output will show line number within relevant file path where a match has been located if [ "$keyword" = "" ];then echo -e "Can't search *.log files as no keyword was entered\n" |tee -a $report 2>/dev/null else logkey=`find / -name *.log -type f -exec grep -Hn $keyword {} \; 2>/dev/null` if [ "$logkey" ]; then echo -e "\e[00;31mFind keyword ($keyword) in .log files (output format filepath:identified line number where keyword appears):\e[00m\n$logkey" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else echo -e "\e[00;31mFind keyword ($keyword) in .log files (recursive 2 levels):\e[00m" |tee -a $report 2>/dev/null echo -e "'$keyword' not found in any .log files" echo -e "\n" |tee -a $report 2>/dev/null fi fi if [ "$keyword" = "" ];then : else if [ "$export" ] && [ "$logkey" ]; then logkeyfile=`find / -name *.log -type f -exec grep -lHn $keyword {} \; 2>/dev/null` mkdir --parents $format/keyword_file_matches/log_files/ 2>/dev/null for i in $logkeyfile; do cp --parents $i $format/keyword_file_matches/log_files/ ; done 2>/dev/null else : fi fi #use supplied keyword and cat *.ini files for potential matches - output will show line number within relevant file path where a match has been located if [ "$keyword" = "" ];then echo -e "Can't search *.ini files as no keyword was entered\n" |tee -a $report 2>/dev/null else inikey=`find / -maxdepth 4 -name *.ini -type f -exec grep -Hn $keyword {} \; 2>/dev/null` if [ "$inikey" ]; then echo -e "\e[00;31mFind keyword ($keyword) in .ini files (recursive 4 levels - output format filepath:identified line number where keyword appears):\e[00m\n$inikey" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else echo -e "\e[00;31mFind keyword ($keyword) in .ini files (recursive 2 levels):\e[00m" |tee -a $report 2>/dev/null echo -e "'$keyword' not found in any .ini files" |tee -a $report 2>/dev/null echo -e "\n" fi fi if [ "$keyword" = "" ];then : else if [ "$export" ] && [ "$inikey" ]; then inikey=`find / -maxdepth 4 -name *.ini -type f -exec grep -lHn $keyword {} \; 2>/dev/null` mkdir --parents $format/keyword_file_matches/ini_files/ 2>/dev/null for i in $inikey; do cp --parents $i $format/keyword_file_matches/ini_files/ ; done 2>/dev/null else : fi fi #quick extract of .conf files from /etc - only 1 level allconf=`find /etc/ -maxdepth 1 -name *.conf -type f -exec ls -la {} \; 2>/dev/null` if [ "$allconf" ]; then echo -e "\e[00;31mAll *.conf files in /etc (recursive 1 level):\e[00m\n$allconf" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$allconf" ]; then mkdir $format/conf-files/ 2>/dev/null for i in $allconf; do cp --parents $i $format/conf-files/; done 2>/dev/null else : fi #extract any user history files that are accessible usrhist=`ls -la ~/.*_history 2>/dev/null` if [ "$usrhist" ]; then echo -e "\e[00;31mCurrent user's history files:\e[00m\n$usrhist" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$usrhist" ]; then mkdir $format/history_files/ 2>/dev/null for i in $usrhist; do cp --parents $i $format/history_files/; done 2>/dev/null else : fi #can we read roots *_history files - could be passwords stored etc. roothist=`ls -la /root/.*_history 2>/dev/null` if [ "$roothist" ]; then echo -e "\e[00;33m***Root's history files are accessible!\e[00m\n$roothist" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$roothist" ]; then mkdir $format/history_files/ 2>/dev/null cp $roothist $format/history_files/ 2>/dev/null else : fi #is there any mail accessible readmail=`ls -la /var/mail 2>/dev/null` if [ "$readmail" ]; then echo -e "\e[00;31mAny interesting mail in /var/mail:\e[00m\n$readmail" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi #can we read roots mail readmailroot=`head /var/mail/root 2>/dev/null` if [ "$readmailroot" ]; then echo -e "\e[00;33m***We can read /var/mail/root! (snippet below)\e[00m\n$readmailroot" |tee -a $report 2>/dev/null echo -e "\n" |tee -a $report 2>/dev/null else : fi if [ "$export" ] && [ "$readmailroot" ]; then mkdir $format/mail-from-root/ 2>/dev/null cp $readmailroot $format/mail-from-root/ 2>/dev/null else : fi echo -e "\e[00;33m### SCAN COMPLETE ####################################\e[00m" |tee -a $report 2>/dev/null #EndOfScript