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Linux Priv Escalation
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# priv esc enumeration scripts
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https://github.com/rebootuser/LinEnum
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https://github.com/reider-roque/linpostexp/blob/master/linprivchecker.py
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http://pentestmonkey.net/tools/audit/unix-privesc-check
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# Kernel and OS
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uname -a
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uname -mrs
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cat /etc/issue
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cat /etc/lsb-release # Debian based
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cat /etc/redhat-release # Redhat based
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# running services and find services run boy root
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ps aux
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ps aux | grep root
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# which applications are installed
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dpkg -l
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ls -alh /usr/bin/
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ls -alh /sbin/
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# scheduled tasks
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crontab -l
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# port forwarding
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ssh -L 8080:127.0.0.1:80 [email protected] # Local Port
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ssh -R 8080:127.0.0.1:80 [email protected] # Remote Port
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# tunneling
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ssh -D 127.0.0.1:9050 -N [username]@[ip]
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proxychains ifconfig
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# sensitive files
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cat /etc/passwd
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cat /etc/group
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cat /etc/shadow
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ls -alh /var/mail/
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​
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# check home dirs
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ls -ahlR /root/
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ls -ahlR /home
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# private key search
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cat ~/.ssh/authorized_keys
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cat ~/.ssh/identity.pub
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cat ~/.ssh/identity
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cat ~/.ssh/id_rsa.pub
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cat ~/.ssh/id_rsa
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cat ~/.ssh/id_dsa.pub
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cat ~/.ssh/id_dsa
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cat /etc/ssh/ssh_config
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cat /etc/ssh/sshd_config
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cat /etc/ssh/ssh_host_dsa_key.pub
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cat /etc/ssh/ssh_host_dsa_key
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cat /etc/ssh/ssh_host_rsa_key.pub
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cat /etc/ssh/ssh_host_rsa_key
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cat /etc/ssh/ssh_host_key.pub
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cat /etc/ssh/ssh_host_key
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# Sticky Bits & SUID & GUID
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find / -perm -1000 -type d 2>/dev/null # Sticky bit - Only the owner of the directory or the owner of a file can delete or rename here.
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find / -perm -g=s -type f 2>/dev/null # SGID (chmod 2000) - run as the group, not the user who started it.
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find / -perm -u=s -type f 2>/dev/null # SUID (chmod 4000) - run as the owner, not the user who started it.
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find / -perm -g=s -o -perm -u=s -type f 2>/dev/null # SGID or SUID
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Linux Privilege Escalation Checklist
Binaries/Programs Privilege Escalation
Automated Script
Last modified 1yr ago