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LinEnum.sh
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LinEnum.sh
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#!/bin/bash
#A script to enumerate local information from a Linux host
version="version 0.981"
#@rebootuser
#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 | @rebootuser \e[00m"
echo -e "\e[00;33m# $version\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 "-s Supply user password for sudo checks (INSECURE)"
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"
}
header()
{
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# $version\e[00m\n"
}
debug_info()
{
echo "[-] Debug Info"
if [ "$keyword" ]; then
echo "[+] Searching for the keyword $keyword in conf, php, ini and log files"
fi
if [ "$report" ]; then
echo "[+] Report name = $report"
fi
if [ "$export" ]; then
echo "[+] Export location = $export"
fi
if [ "$thorough" ]; then
echo "[+] Thorough tests = Enabled"
else
echo -e "\e[00;33m[+] Thorough tests = Disabled\e[00m"
fi
sleep 2
if [ "$export" ]; then
mkdir $export 2>/dev/null
format=$export/LinEnum-export-`date +"%d-%m-%y"`
mkdir $format 2>/dev/null
fi
if [ "$sudopass" ]; then
echo -e "\e[00;35m[+] Please enter password - INSECURE - really only for CTF use!\e[00m"
read -s userpassword
echo
fi
who=`whoami` 2>/dev/null
echo -e "\n"
echo -e "\e[00;33mScan started at:"; date
echo -e "\e[00m\n"
}
# useful binaries (thanks to https://gtfobins.github.io/)
binarylist='aria2c\|arp\|ash\|awk\|base64\|bash\|busybox\|cat\|chmod\|chown\|cp\|csh\|curl\|cut\|dash\|date\|dd\|diff\|dmsetup\|docker\|ed\|emacs\|env\|expand\|expect\|file\|find\|flock\|fmt\|fold\|ftp\|gawk\|gdb\|gimp\|git\|grep\|head\|ht\|iftop\|ionice\|ip$\|irb\|jjs\|jq\|jrunscript\|ksh\|ld.so\|ldconfig\|less\|logsave\|lua\|make\|man\|mawk\|more\|mv\|mysql\|nano\|nawk\|nc\|netcat\|nice\|nl\|nmap\|node\|od\|openssl\|perl\|pg\|php\|pic\|pico\|python\|readelf\|rlwrap\|rpm\|rpmquery\|rsync\|ruby\|run-parts\|rvim\|scp\|script\|sed\|setarch\|sftp\|sh\|shuf\|socat\|sort\|sqlite3\|ssh$\|start-stop-daemon\|stdbuf\|strace\|systemctl\|tail\|tar\|taskset\|tclsh\|tee\|telnet\|tftp\|time\|timeout\|ul\|unexpand\|uniq\|unshare\|vi\|vim\|watch\|wget\|wish\|xargs\|xxd\|zip\|zsh'
system_info()
{
echo -e "\e[00;33m### SYSTEM ##############################################\e[00m"
#basic kernel info
unameinfo=`uname -a 2>/dev/null`
if [ "$unameinfo" ]; then
echo -e "\e[00;31m[-] Kernel information:\e[00m\n$unameinfo"
echo -e "\n"
fi
procver=`cat /proc/version 2>/dev/null`
if [ "$procver" ]; then
echo -e "\e[00;31m[-] Kernel information (continued):\e[00m\n$procver"
echo -e "\n"
fi
#search all *-release files for version info
release=`cat /etc/*-release 2>/dev/null`
if [ "$release" ]; then
echo -e "\e[00;31m[-] Specific release information:\e[00m\n$release"
echo -e "\n"
fi
#target hostname info
hostnamed=`hostname 2>/dev/null`
if [ "$hostnamed" ]; then
echo -e "\e[00;31m[-] Hostname:\e[00m\n$hostnamed"
echo -e "\n"
fi
}
user_info()
{
echo -e "\e[00;33m### USER/GROUP ##########################################\e[00m"
#current user details
currusr=`id 2>/dev/null`
if [ "$currusr" ]; then
echo -e "\e[00;31m[-] Current user/group info:\e[00m\n$currusr"
echo -e "\n"
fi
#last logged on user information
lastlogedonusrs=`lastlog 2>/dev/null |grep -v "Never" 2>/dev/null`
if [ "$lastlogedonusrs" ]; then
echo -e "\e[00;31m[-] Users that have previously logged onto the system:\e[00m\n$lastlogedonusrs"
echo -e "\n"
fi
#who else is logged on
loggedonusrs=`w 2>/dev/null`
if [ "$loggedonusrs" ]; then
echo -e "\e[00;31m[-] Who else is logged on:\e[00m\n$loggedonusrs"
echo -e "\n"
fi
#lists all id's and respective group(s)
grpinfo=`for i in $(cut -d":" -f1 /etc/passwd 2>/dev/null);do id $i;done 2>/dev/null`
if [ "$grpinfo" ]; then
echo -e "\e[00;31m[-] Group memberships:\e[00m\n$grpinfo"
echo -e "\n"
fi
#added by phackt - look for adm group (thanks patrick)
adm_users=$(echo -e "$grpinfo" | grep "(adm)")
if [[ ! -z $adm_users ]];
then
echo -e "\e[00;31m[-] It looks like we have some admin users:\e[00m\n$adm_users"
echo -e "\n"
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 [ "$hashesinpasswd" ]; then
echo -e "\e[00;33m[+] It looks like we have password hashes in /etc/passwd!\e[00m\n$hashesinpasswd"
echo -e "\n"
fi
#contents of /etc/passwd
readpasswd=`cat /etc/passwd 2>/dev/null`
if [ "$readpasswd" ]; then
echo -e "\e[00;31m[-] Contents of /etc/passwd:\e[00m\n$readpasswd"
echo -e "\n"
fi
if [ "$export" ] && [ "$readpasswd" ]; then
mkdir $format/etc-export/ 2>/dev/null
cp /etc/passwd $format/etc-export/passwd 2>/dev/null
fi
#checks to see if the shadow file can be read
readshadow=`cat /etc/shadow 2>/dev/null`
if [ "$readshadow" ]; then
echo -e "\e[00;33m[+] We can read the shadow file!\e[00m\n$readshadow"
echo -e "\n"
fi
if [ "$export" ] && [ "$readshadow" ]; then
mkdir $format/etc-export/ 2>/dev/null
cp /etc/shadow $format/etc-export/shadow 2>/dev/null
fi
#checks to see if /etc/master.passwd can be read - BSD 'shadow' variant
readmasterpasswd=`cat /etc/master.passwd 2>/dev/null`
if [ "$readmasterpasswd" ]; then
echo -e "\e[00;33m[+] We can read the master.passwd file!\e[00m\n$readmasterpasswd"
echo -e "\n"
fi
if [ "$export" ] && [ "$readmasterpasswd" ]; then
mkdir $format/etc-export/ 2>/dev/null
cp /etc/master.passwd $format/etc-export/master.passwd 2>/dev/null
fi
#all root accounts (uid 0)
superman=`grep -v -E "^#" /etc/passwd 2>/dev/null| awk -F: '$3 == 0 { print $1}' 2>/dev/null`
if [ "$superman" ]; then
echo -e "\e[00;31m[-] Super user account(s):\e[00m\n$superman"
echo -e "\n"
fi
#pull out vital sudoers info
sudoers=`grep -v -e '^$' /etc/sudoers 2>/dev/null |grep -v "#" 2>/dev/null`
if [ "$sudoers" ]; then
echo -e "\e[00;31m[-] Sudoers configuration (condensed):\e[00m$sudoers"
echo -e "\n"
fi
if [ "$export" ] && [ "$sudoers" ]; then
mkdir $format/etc-export/ 2>/dev/null
cp /etc/sudoers $format/etc-export/sudoers 2>/dev/null
fi
#can we sudo without supplying a password
sudoperms=`echo '' | sudo -S -l -k 2>/dev/null`
if [ "$sudoperms" ]; then
echo -e "\e[00;33m[+] We can sudo without supplying a password!\e[00m\n$sudoperms"
echo -e "\n"
fi
#check sudo perms - authenticated
if [ "$sudopass" ]; then
if [ "$sudoperms" ]; then
:
else
sudoauth=`echo $userpassword | sudo -S -l -k 2>/dev/null`
if [ "$sudoauth" ]; then
echo -e "\e[00;33m[+] We can sudo when supplying a password!\e[00m\n$sudoauth"
echo -e "\n"
fi
fi
fi
##known 'good' breakout binaries (cleaned to parse /etc/sudoers for comma separated values) - authenticated
if [ "$sudopass" ]; then
if [ "$sudoperms" ]; then
:
else
sudopermscheck=`echo $userpassword | sudo -S -l -k 2>/dev/null | xargs -n 1 2>/dev/null|sed 's/,*$//g' 2>/dev/null | grep -w $binarylist 2>/dev/null`
if [ "$sudopermscheck" ]; then
echo -e "\e[00;33m[-] Possible sudo pwnage!\e[00m\n$sudopermscheck"
echo -e "\n"
fi
fi
fi
#known 'good' breakout binaries (cleaned to parse /etc/sudoers for comma separated values)
sudopwnage=`echo '' | sudo -S -l -k 2>/dev/null | xargs -n 1 2>/dev/null | sed 's/,*$//g' 2>/dev/null | grep -w $binarylist 2>/dev/null`
if [ "$sudopwnage" ]; then
echo -e "\e[00;33m[+] Possible sudo pwnage!\e[00m\n$sudopwnage"
echo -e "\n"
fi
#who has sudoed in the past
whohasbeensudo=`find /home -name .sudo_as_admin_successful 2>/dev/null`
if [ "$whohasbeensudo" ]; then
echo -e "\e[00;31m[-] Accounts that have recently used sudo:\e[00m\n$whohasbeensudo"
echo -e "\n"
fi
#checks to see if roots home directory is accessible
rthmdir=`ls -ahl /root/ 2>/dev/null`
if [ "$rthmdir" ]; then
echo -e "\e[00;33m[+] We can read root's home directory!\e[00m\n$rthmdir"
echo -e "\n"
fi
#displays /home directory permissions - check if any are lax
homedirperms=`ls -ahl /home/ 2>/dev/null`
if [ "$homedirperms" ]; then
echo -e "\e[00;31m[-] Are permissions on /home directories lax:\e[00m\n$homedirperms"
echo -e "\n"
fi
#looks for files we can write to that don't belong to us
if [ "$thorough" = "1" ]; then
grfilesall=`find / -writable ! -user \`whoami\` -type f ! -path "/proc/*" ! -path "/sys/*" -exec ls -al {} \; 2>/dev/null`
if [ "$grfilesall" ]; then
echo -e "\e[00;31m[-] Files not owned by user but writable by group:\e[00m\n$grfilesall"
echo -e "\n"
fi
fi
#looks for files that belong to us
if [ "$thorough" = "1" ]; then
ourfilesall=`find / -user \`whoami\` -type f ! -path "/proc/*" ! -path "/sys/*" -exec ls -al {} \; 2>/dev/null`
if [ "$ourfilesall" ]; then
echo -e "\e[00;31m[-] Files owned by our user:\e[00m\n$ourfilesall"
echo -e "\n"
fi
fi
#looks for hidden files
if [ "$thorough" = "1" ]; then
hiddenfiles=`find / -name ".*" -type f ! -path "/proc/*" ! -path "/sys/*" -exec ls -al {} \; 2>/dev/null`
if [ "$hiddenfiles" ]; then
echo -e "\e[00;31m[-] Hidden files:\e[00m\n$hiddenfiles"
echo -e "\n"
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;31m[-] World-readable files within /home:\e[00m\n$wrfileshm"
echo -e "\n"
fi
fi
if [ "$thorough" = "1" ]; then
if [ "$export" ] && [ "$wrfileshm" ]; then
mkdir $format/wr-files/ 2>/dev/null
for i in $wrfileshm; do cp --parents $i $format/wr-files/ ; done 2>/dev/null
fi
fi
#lists current user's home directory contents
if [ "$thorough" = "1" ]; then
homedircontents=`ls -ahl ~ 2>/dev/null`
if [ "$homedircontents" ] ; then
echo -e "\e[00;31m[-] Home directory contents:\e[00m\n$homedircontents"
echo -e "\n"
fi
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 / \( -name "id_dsa*" -o -name "id_rsa*" -o -name "known_hosts" -o -name "authorized_hosts" -o -name "authorized_keys" \) -exec ls -la {} 2>/dev/null \;`
if [ "$sshfiles" ]; then
echo -e "\e[00;31m[-] SSH keys/host information found in the following locations:\e[00m\n$sshfiles"
echo -e "\n"
fi
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
fi
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;31m[-] Root is allowed to login via SSH:\e[00m" ; grep "PermitRootLogin " /etc/ssh/sshd_config 2>/dev/null | grep -v "#"
echo -e "\n"
fi
}
environmental_info()
{
echo -e "\e[00;33m### ENVIRONMENTAL #######################################\e[00m"
#env information
envinfo=`env 2>/dev/null | grep -v 'LS_COLORS' 2>/dev/null`
if [ "$envinfo" ]; then
echo -e "\e[00;31m[-] Environment information:\e[00m\n$envinfo"
echo -e "\n"
fi
#check if selinux is enabled
sestatus=`sestatus 2>/dev/null`
if [ "$sestatus" ]; then
echo -e "\e[00;31m[-] SELinux seems to be present:\e[00m\n$sestatus"
echo -e "\n"
fi
#phackt
#current path configuration
pathinfo=`echo $PATH 2>/dev/null`
if [ "$pathinfo" ]; then
pathswriteable=`ls -ld $(echo $PATH | tr ":" " ")`
echo -e "\e[00;31m[-] Path information:\e[00m\n$pathinfo"
echo -e "$pathswriteable"
echo -e "\n"
fi
#lists available shells
shellinfo=`cat /etc/shells 2>/dev/null`
if [ "$shellinfo" ]; then
echo -e "\e[00;31m[-] Available shells:\e[00m\n$shellinfo"
echo -e "\n"
fi
#current umask value with both octal and symbolic output
umaskvalue=`umask -S 2>/dev/null & umask 2>/dev/null`
if [ "$umaskvalue" ]; then
echo -e "\e[00;31m[-] Current umask value:\e[00m\n$umaskvalue"
echo -e "\n"
fi
#umask value as in /etc/login.defs
umaskdef=`grep -i "^UMASK" /etc/login.defs 2>/dev/null`
if [ "$umaskdef" ]; then
echo -e "\e[00;31m[-] umask value as specified in /etc/login.defs:\e[00m\n$umaskdef"
echo -e "\n"
fi
#password policy information as stored in /etc/login.defs
logindefs=`grep "^PASS_MAX_DAYS\|^PASS_MIN_DAYS\|^PASS_WARN_AGE\|^ENCRYPT_METHOD" /etc/login.defs 2>/dev/null`
if [ "$logindefs" ]; then
echo -e "\e[00;31m[-] Password and storage information:\e[00m\n$logindefs"
echo -e "\n"
fi
if [ "$export" ] && [ "$logindefs" ]; then
mkdir $format/etc-export/ 2>/dev/null
cp /etc/login.defs $format/etc-export/login.defs 2>/dev/null
fi
}
job_info()
{
echo -e "\e[00;33m### JOBS/TASKS ##########################################\e[00m"
#are there any cron jobs configured
cronjobs=`ls -la /etc/cron* 2>/dev/null`
if [ "$cronjobs" ]; then
echo -e "\e[00;31m[-] Cron jobs:\e[00m\n$cronjobs"
echo -e "\n"
fi
#can we manipulate these jobs in any way
cronjobwwperms=`find /etc/cron* -perm -0002 -type f -exec ls -la {} \; -exec cat {} 2>/dev/null \;`
if [ "$cronjobwwperms" ]; then
echo -e "\e[00;33m[+] World-writable cron jobs and file contents:\e[00m\n$cronjobwwperms"
echo -e "\n"
fi
#contab contents
crontabvalue=`cat /etc/crontab 2>/dev/null`
if [ "$crontabvalue" ]; then
echo -e "\e[00;31m[-] Crontab contents:\e[00m\n$crontabvalue"
echo -e "\n"
fi
crontabvar=`ls -la /var/spool/cron/crontabs 2>/dev/null`
if [ "$crontabvar" ]; then
echo -e "\e[00;31m[-] Anything interesting in /var/spool/cron/crontabs:\e[00m\n$crontabvar"
echo -e "\n"
fi
anacronjobs=`ls -la /etc/anacrontab 2>/dev/null; cat /etc/anacrontab 2>/dev/null`
if [ "$anacronjobs" ]; then
echo -e "\e[00;31m[-] Anacron jobs and associated file permissions:\e[00m\n$anacronjobs"
echo -e "\n"
fi
anacrontab=`ls -la /var/spool/anacron 2>/dev/null`
if [ "$anacrontab" ]; then
echo -e "\e[00;31m[-] When were jobs last executed (/var/spool/anacron contents):\e[00m\n$anacrontab"
echo -e "\n"
fi
#pull out account names from /etc/passwd and see if any users have associated cronjobs (priv command)
cronother=`cut -d ":" -f 1 /etc/passwd | xargs -n1 crontab -l -u 2>/dev/null`
if [ "$cronother" ]; then
echo -e "\e[00;31m[-] Jobs held by all users:\e[00m\n$cronother"
echo -e "\n"
fi
# list systemd timers
if [ "$thorough" = "1" ]; then
# include inactive timers in thorough mode
systemdtimers="$(systemctl list-timers --all 2>/dev/null)"
info=""
else
systemdtimers="$(systemctl list-timers 2>/dev/null |head -n -1 2>/dev/null)"
# replace the info in the output with a hint towards thorough mode
info="\e[2mEnable thorough tests to see inactive timers\e[00m"
fi
if [ "$systemdtimers" ]; then
echo -e "\e[00;31m[-] Systemd timers:\e[00m\n$systemdtimers\n$info"
echo -e "\n"
fi
}
networking_info()
{
echo -e "\e[00;33m### NETWORKING ##########################################\e[00m"
#nic information
nicinfo=`/sbin/ifconfig -a 2>/dev/null`
if [ "$nicinfo" ]; then
echo -e "\e[00;31m[-] Network and IP info:\e[00m\n$nicinfo"
echo -e "\n"
fi
#nic information (using ip)
nicinfoip=`/sbin/ip a 2>/dev/null`
if [ ! "$nicinfo" ] && [ "$nicinfoip" ]; then
echo -e "\e[00;31m[-] Network and IP info:\e[00m\n$nicinfoip"
echo -e "\n"
fi
arpinfo=`arp -a 2>/dev/null`
if [ "$arpinfo" ]; then
echo -e "\e[00;31m[-] ARP history:\e[00m\n$arpinfo"
echo -e "\n"
fi
arpinfoip=`ip n 2>/dev/null`
if [ ! "$arpinfo" ] && [ "$arpinfoip" ]; then
echo -e "\e[00;31m[-] ARP history:\e[00m\n$arpinfoip"
echo -e "\n"
fi
#dns settings
nsinfo=`grep "nameserver" /etc/resolv.conf 2>/dev/null`
if [ "$nsinfo" ]; then
echo -e "\e[00;31m[-] Nameserver(s):\e[00m\n$nsinfo"
echo -e "\n"
fi
nsinfosysd=`systemd-resolve --status 2>/dev/null`
if [ "$nsinfosysd" ]; then
echo -e "\e[00;31m[-] Nameserver(s):\e[00m\n$nsinfosysd"
echo -e "\n"
fi
#default route configuration
defroute=`route 2>/dev/null | grep default`
if [ "$defroute" ]; then
echo -e "\e[00;31m[-] Default route:\e[00m\n$defroute"
echo -e "\n"
fi
#default route configuration
defrouteip=`ip r 2>/dev/null | grep default`
if [ ! "$defroute" ] && [ "$defrouteip" ]; then
echo -e "\e[00;31m[-] Default route:\e[00m\n$defrouteip"
echo -e "\n"
fi
#listening TCP
tcpservs=`netstat -ntpl 2>/dev/null`
if [ "$tcpservs" ]; then
echo -e "\e[00;31m[-] Listening TCP:\e[00m\n$tcpservs"
echo -e "\n"
fi
tcpservsip=`ss -t -l -n 2>/dev/null`
if [ ! "$tcpservs" ] && [ "$tcpservsip" ]; then
echo -e "\e[00;31m[-] Listening TCP:\e[00m\n$tcpservsip"
echo -e "\n"
fi
#listening UDP
udpservs=`netstat -nupl 2>/dev/null`
if [ "$udpservs" ]; then
echo -e "\e[00;31m[-] Listening UDP:\e[00m\n$udpservs"
echo -e "\n"
fi
udpservsip=`ss -u -l -n 2>/dev/null`
if [ ! "$udpservs" ] && [ "$udpservsip" ]; then
echo -e "\e[00;31m[-] Listening UDP:\e[00m\n$udpservsip"
echo -e "\n"
fi
}
services_info()
{
echo -e "\e[00;33m### SERVICES #############################################\e[00m"
#running processes
psaux=`ps aux 2>/dev/null`
if [ "$psaux" ]; then
echo -e "\e[00;31m[-] Running processes:\e[00m\n$psaux"
echo -e "\n"
fi
#lookup process binary path and permissisons
procperm=`ps aux 2>/dev/null | awk '{print $11}'|xargs -r ls -la 2>/dev/null |awk '!x[$0]++' 2>/dev/null`
if [ "$procperm" ]; then
echo -e "\e[00;31m[-] Process binaries and associated permissions (from above list):\e[00m\n$procperm"
echo -e "\n"
fi
if [ "$export" ] && [ "$procperm" ]; then
procpermbase=`ps aux 2>/dev/null | awk '{print $11}' | xargs -r ls 2>/dev/null | awk '!x[$0]++' 2>/dev/null`
mkdir $format/ps-export/ 2>/dev/null
for i in $procpermbase; do cp --parents $i $format/ps-export/; done 2>/dev/null
fi
#anything 'useful' in inetd.conf
inetdread=`cat /etc/inetd.conf 2>/dev/null`
if [ "$inetdread" ]; then
echo -e "\e[00;31m[-] Contents of /etc/inetd.conf:\e[00m\n$inetdread"
echo -e "\n"
fi
if [ "$export" ] && [ "$inetdread" ]; then
mkdir $format/etc-export/ 2>/dev/null
cp /etc/inetd.conf $format/etc-export/inetd.conf 2>/dev/null
fi
#very 'rough' command to extract associated binaries from inetd.conf & show permisisons of each
inetdbinperms=`awk '{print $7}' /etc/inetd.conf 2>/dev/null |xargs -r ls -la 2>/dev/null`
if [ "$inetdbinperms" ]; then
echo -e "\e[00;31m[-] The related inetd binary permissions:\e[00m\n$inetdbinperms"
echo -e "\n"
fi
xinetdread=`cat /etc/xinetd.conf 2>/dev/null`
if [ "$xinetdread" ]; then
echo -e "\e[00;31m[-] Contents of /etc/xinetd.conf:\e[00m\n$xinetdread"
echo -e "\n"
fi
if [ "$export" ] && [ "$xinetdread" ]; then
mkdir $format/etc-export/ 2>/dev/null
cp /etc/xinetd.conf $format/etc-export/xinetd.conf 2>/dev/null
fi
xinetdincd=`grep "/etc/xinetd.d" /etc/xinetd.conf 2>/dev/null`
if [ "$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
echo -e "\n"
fi
#very 'rough' command to extract associated binaries from xinetd.conf & show permisisons of each
xinetdbinperms=`awk '{print $7}' /etc/xinetd.conf 2>/dev/null |xargs -r ls -la 2>/dev/null`
if [ "$xinetdbinperms" ]; then
echo -e "\e[00;31m[-] The related xinetd binary permissions:\e[00m\n$xinetdbinperms"
echo -e "\n"
fi
initdread=`ls -la /etc/init.d 2>/dev/null`
if [ "$initdread" ]; then
echo -e "\e[00;31m[-] /etc/init.d/ binary permissions:\e[00m\n$initdread"
echo -e "\n"
fi
#init.d files NOT belonging to root!
initdperms=`find /etc/init.d/ \! -uid 0 -type f 2>/dev/null |xargs -r ls -la 2>/dev/null`
if [ "$initdperms" ]; then
echo -e "\e[00;31m[-] /etc/init.d/ files not belonging to root:\e[00m\n$initdperms"
echo -e "\n"
fi
rcdread=`ls -la /etc/rc.d/init.d 2>/dev/null`
if [ "$rcdread" ]; then
echo -e "\e[00;31m[-] /etc/rc.d/init.d binary permissions:\e[00m\n$rcdread"
echo -e "\n"
fi
#init.d files NOT belonging to root!
rcdperms=`find /etc/rc.d/init.d \! -uid 0 -type f 2>/dev/null |xargs -r ls -la 2>/dev/null`
if [ "$rcdperms" ]; then
echo -e "\e[00;31m[-] /etc/rc.d/init.d files not belonging to root:\e[00m\n$rcdperms"
echo -e "\n"
fi
usrrcdread=`ls -la /usr/local/etc/rc.d 2>/dev/null`
if [ "$usrrcdread" ]; then
echo -e "\e[00;31m[-] /usr/local/etc/rc.d binary permissions:\e[00m\n$usrrcdread"
echo -e "\n"
fi
#rc.d files NOT belonging to root!
usrrcdperms=`find /usr/local/etc/rc.d \! -uid 0 -type f 2>/dev/null |xargs -r ls -la 2>/dev/null`
if [ "$usrrcdperms" ]; then
echo -e "\e[00;31m[-] /usr/local/etc/rc.d files not belonging to root:\e[00m\n$usrrcdperms"
echo -e "\n"
fi
initread=`ls -la /etc/init/ 2>/dev/null`
if [ "$initread" ]; then
echo -e "\e[00;31m[-] /etc/init/ config file permissions:\e[00m\n$initread"
echo -e "\n"
fi
# upstart scripts not belonging to root
initperms=`find /etc/init \! -uid 0 -type f 2>/dev/null |xargs -r ls -la 2>/dev/null`
if [ "$initperms" ]; then
echo -e "\e[00;31m[-] /etc/init/ config files not belonging to root:\e[00m\n$initperms"
echo -e "\n"
fi
systemdread=`ls -lthR /lib/systemd/ 2>/dev/null`
if [ "$systemdread" ]; then
echo -e "\e[00;31m[-] /lib/systemd/* config file permissions:\e[00m\n$systemdread"
echo -e "\n"
fi
# systemd files not belonging to root
systemdperms=`find /lib/systemd/ \! -uid 0 -type f 2>/dev/null |xargs -r ls -la 2>/dev/null`
if [ "$systemdperms" ]; then
echo -e "\e[00;33m[+] /lib/systemd/* config files not belonging to root:\e[00m\n$systemdperms"
echo -e "\n"
fi
}
software_configs()
{
echo -e "\e[00;33m### SOFTWARE #############################################\e[00m"
#sudo version - check to see if there are any known vulnerabilities with this
sudover=`sudo -V 2>/dev/null| grep "Sudo version" 2>/dev/null`
if [ "$sudover" ]; then
echo -e "\e[00;31m[-] Sudo version:\e[00m\n$sudover"
echo -e "\n"
fi
#mysql details - if installed
mysqlver=`mysql --version 2>/dev/null`
if [ "$mysqlver" ]; then
echo -e "\e[00;31m[-] MYSQL version:\e[00m\n$mysqlver"
echo -e "\n"
fi
#checks to see if root/root will get us a connection
mysqlconnect=`mysqladmin -uroot -proot version 2>/dev/null`
if [ "$mysqlconnect" ]; then
echo -e "\e[00;33m[+] We can connect to the local MYSQL service with default root/root credentials!\e[00m\n$mysqlconnect"
echo -e "\n"
fi
#mysql version details
mysqlconnectnopass=`mysqladmin -uroot version 2>/dev/null`
if [ "$mysqlconnectnopass" ]; then
echo -e "\e[00;33m[+] We can connect to the local MYSQL service as 'root' and without a password!\e[00m\n$mysqlconnectnopass"
echo -e "\n"
fi
#postgres details - if installed
postgver=`psql -V 2>/dev/null`
if [ "$postgver" ]; then
echo -e "\e[00;31m[-] Postgres version:\e[00m\n$postgver"
echo -e "\n"
fi
#checks to see if any postgres password exists and connects to DB 'template0' - following commands are a variant on this
postcon1=`psql -U postgres -w template0 -c 'select version()' 2>/dev/null | grep version`
if [ "$postcon1" ]; then
echo -e "\e[00;33m[+] We can connect to Postgres DB 'template0' as user 'postgres' with no password!:\e[00m\n$postcon1"
echo -e "\n"
fi
postcon11=`psql -U postgres -w template1 -c 'select version()' 2>/dev/null | grep version`
if [ "$postcon11" ]; then
echo -e "\e[00;33m[+] We can connect to Postgres DB 'template1' as user 'postgres' with no password!:\e[00m\n$postcon11"
echo -e "\n"
fi
postcon2=`psql -U pgsql -w template0 -c 'select version()' 2>/dev/null | grep version`
if [ "$postcon2" ]; then
echo -e "\e[00;33m[+] We can connect to Postgres DB 'template0' as user 'psql' with no password!:\e[00m\n$postcon2"
echo -e "\n"
fi
postcon22=`psql -U pgsql -w template1 -c 'select version()' 2>/dev/null | grep version`
if [ "$postcon22" ]; then
echo -e "\e[00;33m[+] We can connect to Postgres DB 'template1' as user 'psql' with no password!:\e[00m\n$postcon22"
echo -e "\n"
fi
#apache details - if installed
apachever=`apache2 -v 2>/dev/null; httpd -v 2>/dev/null`
if [ "$apachever" ]; then
echo -e "\e[00;31m[-] Apache version:\e[00m\n$apachever"
echo -e "\n"
fi
#what account is apache running under
apacheusr=`grep -i 'user\|group' /etc/apache2/envvars 2>/dev/null |awk '{sub(/.*\export /,"")}1' 2>/dev/null`
if [ "$apacheusr" ]; then
echo -e "\e[00;31m[-] Apache user configuration:\e[00m\n$apacheusr"
echo -e "\n"
fi
if [ "$export" ] && [ "$apacheusr" ]; then
mkdir --parents $format/etc-export/apache2/ 2>/dev/null
cp /etc/apache2/envvars $format/etc-export/apache2/envvars 2>/dev/null
fi
#installed apache modules
apachemodules=`apache2ctl -M 2>/dev/null; httpd -M 2>/dev/null`
if [ "$apachemodules" ]; then
echo -e "\e[00;31m[-] Installed Apache modules:\e[00m\n$apachemodules"
echo -e "\n"
fi
#htpasswd check
htpasswd=`find / -name .htpasswd -print -exec cat {} \; 2>/dev/null`
if [ "$htpasswd" ]; then
echo -e "\e[00;33m[-] htpasswd found - could contain passwords:\e[00m\n$htpasswd"
echo -e "\n"
fi
#anything in the default http home dirs (a thorough only check as output can be large)
if [ "$thorough" = "1" ]; then
apachehomedirs=`ls -alhR /var/www/ 2>/dev/null; ls -alhR /srv/www/htdocs/ 2>/dev/null; ls -alhR /usr/local/www/apache2/data/ 2>/dev/null; ls -alhR /opt/lampp/htdocs/ 2>/dev/null`
if [ "$apachehomedirs" ]; then
echo -e "\e[00;31m[-] www home dir contents:\e[00m\n$apachehomedirs"
echo -e "\n"
fi
fi
}
interesting_files()
{
echo -e "\e[00;33m### INTERESTING FILES ####################################\e[00m"
#checks to see if various files are installed
echo -e "\e[00;31m[-] Useful file locations:\e[00m" ; which nc 2>/dev/null ; which netcat 2>/dev/null ; which wget 2>/dev/null ; which nmap 2>/dev/null ; which gcc 2>/dev/null; which curl 2>/dev/null
echo -e "\n"
#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 [ "$compiler" ]; then
echo -e "\e[00;31m[-] Installed compilers:\e[00m\n$compiler"
echo -e "\n"
fi
#manual check - lists out sensitive files, can we read/modify etc.
echo -e "\e[00;31m[-] Can we read/write sensitive files:\e[00m" ; ls -la /etc/passwd 2>/dev/null ; ls -la /etc/group 2>/dev/null ; ls -la /etc/profile 2>/dev/null; ls -la /etc/shadow 2>/dev/null ; ls -la /etc/master.passwd 2>/dev/null
echo -e "\n"
#search for suid files
findsuid=`find / -perm -4000 -type f -exec ls -la {} 2>/dev/null \;`
if [ "$findsuid" ]; then
echo -e "\e[00;31m[-] SUID files:\e[00m\n$findsuid"
echo -e "\n"
fi
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
fi
#list of 'interesting' suid files - feel free to make additions
intsuid=`find / -perm -4000 -type f -exec ls -la {} \; 2>/dev/null | grep -w $binarylist 2>/dev/null`
if [ "$intsuid" ]; then
echo -e "\e[00;33m[+] Possibly interesting SUID files:\e[00m\n$intsuid"
echo -e "\n"
fi
#lists word-writable suid files
wwsuid=`find / -perm -4002 -type f -exec ls -la {} 2>/dev/null \;`
if [ "$wwsuid" ]; then
echo -e "\e[00;33m[+] World-writable SUID files:\e[00m\n$wwsuid"
echo -e "\n"
fi
#lists world-writable suid files owned by root
wwsuidrt=`find / -uid 0 -perm -4002 -type f -exec ls -la {} 2>/dev/null \;`
if [ "$wwsuidrt" ]; then
echo -e "\e[00;33m[+] World-writable SUID files owned by root:\e[00m\n$wwsuidrt"
echo -e "\n"
fi
#search for sgid files
findsgid=`find / -perm -2000 -type f -exec ls -la {} 2>/dev/null \;`
if [ "$findsgid" ]; then
echo -e "\e[00;31m[-] SGID files:\e[00m\n$findsgid"
echo -e "\n"
fi
if [ "$export" ] && [ "$findsgid" ]; then
mkdir $format/sgid-files/ 2>/dev/null
for i in $findsgid; do cp $i $format/sgid-files/; done 2>/dev/null
fi
#list of 'interesting' sgid files
intsgid=`find / -perm -2000 -type f -exec ls -la {} \; 2>/dev/null | grep -w $binarylist 2>/dev/null`
if [ "$intsgid" ]; then
echo -e "\e[00;33m[+] Possibly interesting SGID files:\e[00m\n$intsgid"
echo -e "\n"
fi
#lists world-writable sgid files
wwsgid=`find / -perm -2002 -type f -exec ls -la {} 2>/dev/null \;`
if [ "$wwsgid" ]; then
echo -e "\e[00;33m[+] World-writable SGID files:\e[00m\n$wwsgid"
echo -e "\n"
fi
#lists world-writable sgid files owned by root
wwsgidrt=`find / -uid 0 -perm -2002 -type f -exec ls -la {} 2>/dev/null \;`
if [ "$wwsgidrt" ]; then
echo -e "\e[00;33m[+] World-writable SGID files owned by root:\e[00m\n$wwsgidrt"
echo -e "\n"
fi
#list all files with POSIX capabilities set along with there capabilities
fileswithcaps=`getcap -r / 2>/dev/null || /sbin/getcap -r / 2>/dev/null`
if [ "$fileswithcaps" ]; then
echo -e "\e[00;31m[+] Files with POSIX capabilities set:\e[00m\n$fileswithcaps"
echo -e "\n"
fi
if [ "$export" ] && [ "$fileswithcaps" ]; then
mkdir $format/files_with_capabilities/ 2>/dev/null
for i in $fileswithcaps; do cp $i $format/files_with_capabilities/; done 2>/dev/null
fi
#searches /etc/security/capability.conf for users associated capapilies
userswithcaps=`grep -v '^#\|none\|^$' /etc/security/capability.conf 2>/dev/null`
if [ "$userswithcaps" ]; then
echo -e "\e[00;33m[+] Users with specific POSIX capabilities:\e[00m\n$userswithcaps"
echo -e "\n"
fi
if [ "$userswithcaps" ] ; then
#matches the capabilities found associated with users with the current user
matchedcaps=`echo -e "$userswithcaps" | grep \`whoami\` | awk '{print $1}' 2>/dev/null`
if [ "$matchedcaps" ]; then
echo -e "\e[00;33m[+] Capabilities associated with the current user:\e[00m\n$matchedcaps"
echo -e "\n"
#matches the files with capapbilities with capabilities associated with the current user
matchedfiles=`echo -e "$matchedcaps" | while read -r cap ; do echo -e "$fileswithcaps" | grep "$cap" ; done 2>/dev/null`
if [ "$matchedfiles" ]; then
echo -e "\e[00;33m[+] Files with the same capabilities associated with the current user (You may want to try abusing those capabilties):\e[00m\n$matchedfiles"
echo -e "\n"
#lists the permissions of the files having the same capabilies associated with the current user
matchedfilesperms=`echo -e "$matchedfiles" | awk '{print $1}' | while read -r f; do ls -la $f ;done 2>/dev/null`
echo -e "\e[00;33m[+] Permissions of files with the same capabilities associated with the current user:\e[00m\n$matchedfilesperms"
echo -e "\n"
if [ "$matchedfilesperms" ]; then
#checks if any of the files with same capabilities associated with the current user is writable
writablematchedfiles=`echo -e "$matchedfiles" | awk '{print $1}' | while read -r f; do find $f -writable -exec ls -la {} + ;done 2>/dev/null`
if [ "$writablematchedfiles" ]; then
echo -e "\e[00;33m[+] User/Group writable files with the same capabilities associated with the current user:\e[00m\n$writablematchedfiles"
echo -e "\n"
fi
fi
fi
fi
fi
#look for private keys - thanks djhohnstein
if [ "$thorough" = "1" ]; then
privatekeyfiles=`grep -rl "PRIVATE KEY-----" /home 2>/dev/null`
if [ "$privatekeyfiles" ]; then
echo -e "\e[00;33m[+] Private SSH keys found!:\e[00m\n$privatekeyfiles"
echo -e "\n"
fi
fi
#look for AWS keys - thanks djhohnstein
if [ "$thorough" = "1" ]; then
awskeyfiles=`grep -rli "aws_secret_access_key" /home 2>/dev/null`
if [ "$awskeyfiles" ]; then
echo -e "\e[00;33m[+] AWS secret keys found!:\e[00m\n$awskeyfiles"
echo -e "\n"
fi
fi
#look for git credential files - thanks djhohnstein
if [ "$thorough" = "1" ]; then
gitcredfiles=`find / -name ".git-credentials" 2>/dev/null`
if [ "$gitcredfiles" ]; then
echo -e "\e[00;33m[+] Git credentials saved on the machine!:\e[00m\n$gitcredfiles"
echo -e "\n"
fi
fi
#list all world-writable files excluding /proc and /sys
if [ "$thorough" = "1" ]; then
wwfiles=`find / ! -path "*/proc/*" ! -path "/sys/*" -perm -2 -type f -exec ls -la {} 2>/dev/null \;`
if [ "$wwfiles" ]; then
echo -e "\e[00;31m[-] World-writable files (excluding /proc and /sys):\e[00m\n$wwfiles"
echo -e "\n"
fi
fi
if [ "$thorough" = "1" ]; then
if [ "$export" ] && [ "$wwfiles" ]; then
mkdir $format/ww-files/ 2>/dev/null
for i in $wwfiles; do cp --parents $i $format/ww-files/; done 2>/dev/null
fi
fi
#are any .plan files accessible in /home (could contain useful information)
usrplan=`find /home -iname *.plan -exec ls -la {} \; -exec cat {} 2>/dev/null \;`
if [ "$usrplan" ]; then
echo -e "\e[00;31m[-] Plan file permissions and contents:\e[00m\n$usrplan"
echo -e "\n"
fi
if [ "$export" ] && [ "$usrplan" ]; then
mkdir $format/plan_files/ 2>/dev/null
for i in $usrplan; do cp --parents $i $format/plan_files/; done 2>/dev/null
fi
bsdusrplan=`find /usr/home -iname *.plan -exec ls -la {} \; -exec cat {} 2>/dev/null \;`
if [ "$bsdusrplan" ]; then
echo -e "\e[00;31m[-] Plan file permissions and contents:\e[00m\n$bsdusrplan"
echo -e "\n"
fi