VRT Advisories


August 2011 Archive

VRT Rules 2011-08-30

Sourcefire VRT Rules Update

Date: 2011-08-30

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the backdoor, blacklist, botnet-cnc, deleted, dos, exploit, netbios, policy, specific-threats, spyware-put and web-client 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 Aug 30, 2011



VRT Rules 2011-08-25

Sourcefire VRT Rules Update

Date: 2011-08-25

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the backdoor, botnet-cnc, dos, exploit, netbios, rpc, specific-threats, spyware-put and web-misc 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 Aug 25, 2011



VRT Rules 2011-08-23

Sourcefire VRT Rules Update

Date: 2011-08-23

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the backdoor, blacklist, botnet-cnc, netbios, policy, smtp, specific-threats, spyware-put, sql and web-misc 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 Aug 23, 2011



VRT Rules 2011-08-11

Sourcefire VRT Rules Update

Date: 2011-08-11

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the backdoor, botnet-cnc, dos, smtp, specific-threats, spyware-put, tftp and web-misc 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 Aug 11, 2011



VRT Rules 2011-08-09

Sourcefire VRT Rules Update

Date: 2011-08-09

Synopsis:

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

Details:

Microsoft Security Advisory MS11-057:
Microsoft Internet Explorer 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 19666 through 19672.

Microsoft Security Advisory MS11-058:
The Microsoft implementation of DNS contains a programming error that may allow a remote attacker to execute code on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19677.

Microsoft Security Advisory MS11-059:
The Microsoft Data Access Components (MDAC) contains a programming error that may allow a remote attacker to execute code on an affected system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 19673 and 19674.

Microsoft Security Advisory MS11-060:
Microsoft Visio 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 19675 and 19676.

Microsoft Security Advisory MS11-061:
Microsoft Remote Desktop Web Access contains a programming error that may allow a remote attacker to execute a cross site scripting attack.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19665.

Microsoft Security Advisory MS11-062:
The Microsoft Remote Access Service NDISTAPI driver contains a programming error that may allow a remote attacker to gain privileges on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19679.

Microsoft Security Advisory MS11-063:
The Microsoft Windows Client/Server Run-time Subsytem contains a programming error that may allow a remote attacker to gain privileges on an affected system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19680.

Microsoft Security Advisory MS11-064:
The Microsoft implementation of the TCP/IP stack contains programming errors that may allow a remote attacker to cause a Denial of Service (DoS) against an affected system.

A rule to detect attacks targeting these vulnerabilities is included in this release and is identified with GID 1, SID 19678.

Additionally, a previously released rule will detect attacks targeting these vulnerabilities and has been updated with the appropriate reference information. It is included in this release and is identified with GID 1, SID 17410.

Microsoft Security Advisory MS11-066:
A programming error in the Microsoft .NET framework may lead to unauthorized information disclosure.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19694.

Microsoft Security Advisory MS11-067:
Microsoft Report Viewer contains a programming error that may lead to unauthorized information disclosure.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19681.

Adobe Security Bulletin APSB11-21: Adobe Flash Player 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 19682 through 19693.

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 Aug 09, 2011



VRT Rules 2011-08-03

Sourcefire VRT Rules Update

Date: 2011-08-03

Synopsis:

The Sourcefire VRT is aware of a remote code execution vulnerability in the TimThumb plugin for WordPress.

Details:

The Sourcefire VRT is aware of a programming error in the TimThumb plugin for WordPress that may allow a remote attacker to execute code on an affected system. The vulnerability is present in the timthump.php script which does not correctly process user supplied input, allowing a remote attacker to upload content of their choosing into a directory, which can them be executed by the attacker.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19653.

Additionally, the Sourcefire VRT has added and modified multiple rules in the backdoor, botnet-cnc and exploit 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 Aug 03, 2011



VRT Rules 2011-08-02

Sourcefire VRT Rules Update

Date: 2011-08-02

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the blacklist, botnet-cnc, exploit, policy and web-activex 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 Aug 02, 2011