VRT Advisories


January 2013 Archive

VRT Rules 2013-01-29

Sourcefire VRT Rules Update

Date: 2013-01-29

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the blacklist, browser-firefox, browser-ie, browser-webkit, dos, exploit, exploit-kit, file-flash, file-identify, file-multimedia, file-office, file-other, file-pdf, indicator-compromise, malware-cnc, malware-other, os-windows, policy-multimedia, policy-other, policy-social, protocol-services, protocol-voip, rpc, scan, server-apache, server-iis, server-oracle, server-other and specific-threats 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.

Warning:

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.

why subscribe? || download rules

Posted by on Jan 29, 2013



VRT Rules 2013-01-24

Sourcefire VRT Rules Update

Date: 2013-01-24

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the exploit-kit, file-executable, file-identify, malware-cnc, os-other and pua-adware 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.

Warning:

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.

why subscribe? || download rules

Posted by on Jan 24, 2013



VRT Rules 2013-01-22

Sourcefire VRT Rules Update

Date: 2013-01-22

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the exploit-kit and netbios rule sets to provide coverage for emerging threats from these technologies.

The Sourcefire VRT has also fixed an integer overflow vulnerability in GID 3, SID 20275. This was reported by Fermin J. Serna and Tavis Ormandy.

Rule Pack Summary:

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

Warning:

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.

why subscribe? || download rules

Posted by on Jan 22, 2013



VRT Rules 2013-01-17

Sourcefire VRT Rules Update

Date: 2013-01-17

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the app-detect, blacklist, browser-ie, dns, dos, exploit-kit, file-flash, file-identify, file-multimedia, file-office, file-other, file-pdf, indicator-obfuscation, malware-cnc, misc, netbios, os-windows, policy-social and web-client rule sets to provide coverage for emerging threats from these technologies.

The VRT has also fixed a potential security issue with rule 3:20275 reported by Tavis Ormandy.

Rule Pack Summary:

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

Warning:

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.

why subscribe? || download rules

Posted by on Jan 17, 2013



VRT Rules 2013-01-15

Sourcefire VRT Rules Update

Date: 2013-01-15

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the app-detect, blacklist, browser-firefox, browser-ie, browser-plugins, deleted, dns, dos, exploit-kit, file-executable, file-identify, file-image, file-multimedia, file-office, file-other, indicator-compromise, malware-cnc, os-windows, policy-other, server-other and sql 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.

Warning:

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.

why subscribe? || download rules

Posted by on Jan 15, 2013



VRT Rules 2013-01-14

Sourcefire VRT Rules Update

Date: 2013-01-14

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the browser-ie, browser-plugins, dos, exploit-kit, file-identify, file-multimedia, file-office, file-other, os-windows, policy-other, server-oracle and server-webapp 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.

Warning:

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.

why subscribe? || download rules

Posted by on Jan 14, 2013



VRT Rules 2013-01-10

Sourcefire VRT Rules Update

Date: 2013-01-10

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the browser-firefox, browser-plugins, exploit-kit, file-flash, file-identify, file-multimedia, file-office, file-other, malware-backdoor, malware-cnc, malware-other and server-webapp 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.

Warning:

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.

why subscribe? || download rules

Posted by on Jan 10, 2013



VRT Rules 2013-01-08

Sourcefire VRT Rules Update

Date: 2013-01-08

Synopsis:

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

Details:

Microsoft Security Bulletin MS13-002:
Microsoft XML Core Services (MSXML) contains programming errors that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 25270 and 25275.

Microsoft Security Bulletin MS13-003:
Microsoft System Center contains programming errors that may allow a remote attacker to inject code into web pages or execute attacker-controlled JavaScript in a victim web browser via a cross-site scripting attack.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 25272 and 25273.

Additionally, the Sourcefire VRT has added and modified multiple rules in the blacklist, file-other, indicator-compromise, malware-cnc, server-iis and server-webapp 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.

Warning:

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.

why subscribe? || download rules

Posted by on Jan 08, 2013



VRT Rules 2013-01-03

Sourcefire VRT Rules Update

Date: 2013-01-03

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the blacklist, browser-chrome, browser-firefox, browser-ie, browser-plugins, exploit-kit, file-executable, file-flash, file-identify, file-multimedia, file-other, indicator-obfuscation, malware-cnc, policy-other, server-iis, server-oracle and server-webapp 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.

Warning:

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.

why subscribe? || download rules

Posted by on Jan 03, 2013