Was looking for something new to interest myself in and i came across this article which i think people might be interested in.Its a few years old but id bet that it is still very relevant.
Its by the creator of that brilliant tool netcat and it basically illustrates an attack over net bios using Samba.
Found it interesting cos i thought that to do any serious attack on win nt/2000 you needed to be running them but seems (unfortunately for M$) that Samba has a lot of the requirements to perform a hack.
Here you go anyway:
Be interested to here what people think or have the tried the attacks etc mentioned.