VRT Advisories

VRT Rules 2013-09-17

Sourcefire VRT Rules Update

Date: 2013-09-17


The Sourcefire VRT is aware of vulnerabilities affecting products from Microsoft Corporation.


Microsoft Security Advisory 2887505:
A programming error in Internet Explorer could lead to remote code execution.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 27943 and 27944.

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.

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