Short description: SIPcrack is a SIP login sniffer/cracker that contains 2 programs: sipdump to capture the digest authentication and sipcrack to bruteforce the hash using a wordlist or standard input. SIPcrack is able to capture and bruteforce registrar and proxy challenges and should work for all clients/server. Links: http://www.codito.de http://www.remote-exploit.org/codes_sipcrack.html