VRT Advisories

VRT Rules 2008-10-06

Sourcefire VRT Rules Update

Date: 2008-10-06


This release contains a number of rule modifications and new rules in the netbios and exploit rule categories.


The Sourcefire Vulnerability Research Team has done significant work to enhance the accuracy and efficiency of attack detection.

Multiple rules were added or modified to reduce the possibility of false positives and to enhance detection.

Rule Pack Summary:

For a complete list of new and modified rules, click here.


Sourcefire VRT rule packs often utilize enhancements made to Snort. Operators should upgrade to the latest revision or patch level for Snort to ensure these enhancements are available before using these rules.

About the VRT:

The Sourcefire VRT is a group of leading edge intrusion detection and prevention experts working to proactively discover, assess and respond to the latest trends in hacking activity, intrusion attempts and vulnerabilities. This team is also supported by the vast resources of the open source Snort community, making it the largest group dedicated to advances in the network security industry.