are you patched yet ?
there are rumours and first indications of exploits (some talk about a superexploit that targets all vulnerabilities that aren't patched) against the vulnerabilities that were patched with the recent microsoft patches. Update your computer, patch, patch, patch......
This is one of the exploits that work against a windows 2000 machine without leaving any indication in the logfiles of the computer. If you patch, it won't work.
There is also more traffic on port 905 looking for the trojan netdevil that uses this port.
IIS servers that are used as SSL servers (securing communications and security by encrypting) can be put out of order by this attack http://packetstormsecurity.nl/0404-exploits/sslbomb.c
The code for a webpage that wants to get printed by IE 6 without asking the visitor
http://packetstormsecurity.nl/0404-exploits/MSIE.printer.... (there is no fix by the way)
Breaking in downloaders with emule as their sharing program. This is the howto
And don't forget, opening a message with netsky.v is enough to get infected if you don't have an antivirus or didn't patch your computer yet