I Wana hack this stupid forums website

I have tried a hack from crazy-coderz.net and i want to hack this forum: [url]http://www.sharedxs.com/[/url]

but the hack in crazy-coderz wont work for this website and i really need to hack them and i want to get one of the vip members passwords can someone please tell me where i would start?(i have cain)

I could really use some help thanks

Cain is totally useless to you, and we'd be stupid if we openly admitted to hacking a website or helped someone who said that, even if we did want to help for example.