I found new brute forcer utility. It is a clone of Brutus AET/WWWHack/AccessDiver.
FormHack is specialized to organize attacks on sites with form-based authetication via method POST and GET
Site of utility: http://pass.efmsoft.com
examples of usage:
http://www.youtube.com/watch?v=7VZX-3uejoE&noredirect=1
http://www.youtube.com/watch?v=lTeR2yaPgYY
http://www.youtube.com/watch?v=pzFItOQPA7Q
http://www.youtube.com/watch?v=USi7ERR6akQ