Here are a few links that I think really worth visiting.
PACKETSTORM
This portal has got loads of exploits.You must visit it each day to stay updated.
BUGTRAQ
This site also contain vast list of exploits that is constantly updated.
VX
This is best VX website.They have a lot of tutorials and an excellent collection of virii.
WEBMONKEY
If you are thinking of designing your own website this is the best place you can go.
YAHOO PRINCE
Looking for booters,anti-booters,ip stealers for yahoo!Go to this place and get it all.
TROJAN ARCHIVE
This is the best place for downloading trojans.
CYBER HEAVEN PHILE ARCHIVE
A vast list of password crackers and other tools.It is a bit old but still good.
DISCLAIMER:
All material on this site is for information purpose only.This site will not be
responsible for any of your actions . I do not encourage any kinds of illegal activities. If you believe that breaking the law is a good way to impress someone, please stop reading now and grow up. There is nothing impressive or cool in being a criminal.
PACKETSTORM