VRT Advisories

VRT Rules 2006-08-11

Sourcefire VRT Update

Date: 2006-08-11


The Sourcefire VRT has continued research into the recently announced vulnerabilities in the Microsoft Windows operating system and has modified rules to improve performance.


Microsoft Security Bulletin MS06-040 A buffer overflow condition in the Microsoft Windows Server Service may allow a remote attacker to execute code of their choosing on a target system. The overflow condition can be triggered by malformed requests to the service accessing certain functions.

Rules to detect attacks against these vulnerabilities are included in this rule pack and are identified as sids 7209 through 7304.

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.