VRT Advisories


June 2011 Archive

VRT Rules 2011-06-28

Sourcefire VRT Rules Update

Date: 2011-06-28

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, ddos, dos, exploit, netbios, specific-threats, spyware-put, voip, web-activex 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 Jun 28, 2011



VRT Rules 2011-06-23

Sourcefire VRT Rules Update

Date: 2011-06-23

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, exploit, finger, ftp, multimedia, netbios, nntp, pop3, rpc, smtp, specific-threats, spyware-put, voip, web-activex, web-cgi, web-client 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 Jun 23, 2011



VRT Rules 2011-06-21

Sourcefire VRT Rules Update

Date: 2011-06-21

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the netbios, policy, shellcode, specific-threats 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 Jun 21, 2011



VRT Rules 2011-06-20

Sourcefire VRT Rules Update

Date: 2011-06-20

Synopsis:

This release adds and modifies rules in several categories.

Details:

Adobe Security Bulletin APSB11-18: Adobe Flash Player contains a programming error that may allow a remote attacker to execute code on an affected system via the use of ActionScript.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 19262 through 19264.

The Sourcefire VRT has added and modified multiple rules in the ftp, shellcode 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 Jun 20, 2011



VRT Rules 2011-06-16

Sourcefire VRT Rules Update

Date: 2011-06-16

Synopsis:

The Sourcefire VRT is aware of a vulnerability affecting Adobe Flash Player.

Details:

Adobe Security Bulletin APSB11-18: Adobe Flash Player 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 19257.

The Sourcefire VRT has also added and modified multiple rules in the exploit, specific-threats 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 Jun 16, 2011



VRT Rules 2011-06-14

Sourcefire VRT Rules Update

Date: 2011-06-14

Synopsis:

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

Details:

Microsoft Security Advisory MS11-037:
The Microsoft implementation of MIME HTML (MHTML) contains programming errors that may allow a remote attacker to execute code on an affected system via a cross-site scripting attack. A previously released rule will detect attacks targeting this vulnerability and is included in this release with updated reference information, it is identified with GID 1, SID 18335.

Microsoft Security Advisory MS11-038:
Microsoft Windows contains a programming error that may allow a remote attacker to execute code on a vulnerable system. The error occurs when parsing specially crafted WMF data.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19184.

Microsoft Security Advisory MS11-039:
The Microsoft .NET Framework 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 19185.

Microsoft Security Advisory MS11-040:
The TMG Firewall Client 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 3, SID 19187.

Microsoft Security Advisory MS11-041:
The Adobe Font Driver included in the Microsoft Windows Operating System contains a programming error that may allow a remote attacker to execute code on an affected system via a specially crafted font file.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19188.

Microsoft Security Advisory MS11-042:
The Microsoft Distributed File System (DFS) 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 19189 and 19221.

Microsoft Security Advisory MS11-043:
The Microsoft client implementation of the Server Message Block (SMB) protocol 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 19199.

Microsoft Security Advisory MS11-045:
Microsoft Excel contains programming errors that may allow a remote attacker to execute code on an affected system via a specially crafted Excel file.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 19200, 19222, 19225, 19227 and 19229 through 19232.

Microsoft Security Advisory MS11-046:
The Microsoft Windows Operating System contains a programming error that may allow an 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 3, SID 18691.

Microsoft Security Advisory MS11-048:
The Microsoft implementation of the Server Message Block (SMB) protocol 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 19191.

Microsoft Security Advisory MS11-049:
Microsoft Visual Studio contains a programming error that may allow a remote attacker to retrieve the content of local XML files via the use of a specially crafted XML file.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19234.

Microsoft Security Advisory MS11-050:
Microsoft Internet Explorer contains programming errors that may allow a remote attacker to execute code on an affected system or use a cross-site scripting attack against the user.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 19235 through 19246.

Additionally, a previously released rule will also detect attacks targeting these vulnerabilities and is included in this release with updated reference information. It is identified with GID 3, SID 17767.

Microsoft Security Advisory MS11-051:
The Microsoft Certification Service contains a programming error that may allow a remote attacker to use a cross-site scripting attack against the client using the service.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 19186.

Microsoft Security Advisory MS11-052:
Microsoft Internet Explorer contains a programming error that may allow a remote attacker to execute code on an affected system via the use of specially crafted Vector Markup Language (VML) in a URL.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 19241 and 19242.

Adobe Security Bulletin APSB11-16: Adobe Reader and Acrobat contain 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 19247 through 19255.

The Sourcefire VRT has also added and modified multiple rules in the bad-traffic, blacklist, dos, exploit, netbios, oracle, policy, smtp, specific-threats, sql, web-activex 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 Jun 14, 2011



VRT Rules 2011-06-09

Sourcefire VRT Rules Update

Date: 2011-06-09

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the blacklist, netbios, specific-threats 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 Jun 09, 2011



VRT Rules 2011-06-07

Sourcefire VRT Rules Update

Date: 2011-06-07

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, netbios, oracle, policy, rpc, specific-threats 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 Jun 07, 2011



VRT Rules 2011-06-02

Sourcefire VRT Rules Update

Date: 2011-06-02

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the backdoor, dos, exploit, netbios, policy, specific-threats, web-activex 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 Jun 02, 2011