Hydra

Hydra is a tool that can guess/crack valid login/password pairs extremely quickly. It supports a great deal of protocols. Variant exist both for Windows and Unix.

Currently Hydra supports attack against the following services:

TELNET, FTP, HTTP, HTTPS, HTTP-PROXY, SMB, SMBNT, MS-SQL, MYSQL, REXEC, RSH, RLOGIN, CVS,

SNMP, SMTP-AUTH, SOCKS5, VNC, POP3, IMAP, NNTP, PCNFS, ICQ, SAP/R3, LDAP2, LDAP3, Postgres,

Teamspeak, Cisco auth, Cisco enable, LDAP2, Cisco AAA

Installation:

./configure

make

make install

Pre-requisites:

libssh2

libssh2.so may need to be linked from its installed location to /lib so Hydra detects it when trying to crack ssh.