labs.snort.orgSourcefire VRT Labs
The links in the menu on the left of the page should be self explanatory. Just in case, here is an overview of what you can find in each section. Puzzles and exercises designed to stretch your mind. You can find the Advanced Windows Buffer Overflow exercises here along with some resources to aid in exploit development. Papers and presentations written by various team members and presented at conferences around the world. Download the current Snort Rule Documentation package here.