THC-HYDRA is a very fast network logon cracker which support many different services. This tool is a proof of concept code to give researchers and security consultants the possibility to show how easy it would be to gain unauthorized access from remote to a system. It was tested to compile cleanly on Linux, Windows/Cygwin, Solaris, FreeBSD and OSX.Download THC-Hydra v6.4.4 is now available to download and use for free.
Source: https://thehackernews.com/2011/06/thc-hydra-v64-fast-network-logon.html