VRT Advisories

VRT Rules 2009-05-18

Sourcefire VRT Rules Update

Date: 2009-05-18


This release contains two new rules and multiple rule modifications.


Two new rules have been added to address a vulnerability in Samba. These rules are identified with GID 1, SIDs 15507 and 15508.

Additionally, multiple rules have been updated to take advantage of the new DCERPC preprocessor.

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.