VRT Advisories

VRT Rules 2012-04-03

Sourcefire VRT Rules Update

Date: 2012-04-03


This release introduces eleven new rule categories and contains new and modified rules in several categories.


This release introduces eleven new rule categories:

File-Office File-Other File-PDF Indicator-Compromise Indicator-Obfuscation Policy-Multimedia Policy-Other Policy-Social PUA-P2P PUA-Toolbars Server-Mail

These categories have been populated with rules that were formerly in policy.rules, leaving 36 rules in that category.

This release contains new and modified rules in the backdoor, botnet-cnc, dos, exploit, file-identify, file-office, file-other, file-pdf, indicator-compromise, indicator-obfuscation, mysql, policy-multimedia, policy-other, policy-social, pua-p2p, pua-toolbars, server-mail, specific-threats, spyware-put, voip, web-client and web-php rule sets to provide coverage for emerging threats from these technologies.

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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