VRT Advisories


May 2011 Archive

VRT Rules 2011-05-31

Sourcefire VRT Rules Update

Date: 2011-05-31

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, dos, multimedia, oracle 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 May 31, 2011



VRT Rules 2011-05-26

Sourcefire VRT Rules Update

Date: 2011-05-26

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the botnet-cnc, dos, exploit, netbios, phishing-spam, policy, scan, snmp, specific-threats, spyware-put, web-activex, web-client and x11 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 May 26, 2011



VRT Rules 2011-05-24

Sourcefire VRT Rules Update

Date: 2011-05-24

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, imap, mysql, netbios, oracle, phishing-spam, policy, smtp, specific-threats, spyware-put, tftp, web-cgi 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 May 24, 2011



VRT Rules 2011-05-18

Sourcefire VRT Rules Update

Date: 2011-05-18

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, oracle, 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 May 18, 2011



VRT Rules 2011-05-12

Sourcefire VRT Rules Update

Date: 2011-05-12

Synopsis:

The Sourcefire VRT is aware of vulnerabilities affecting products from Adobe Systems Inc.

Details:

Adobe Security Bulletin APSB11-12: Adobe Flash player contains multiple vulnerabilities that may allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting these vulnerabilities are included in this release and are identified with GID 1, SIDs 18963 through 18971.

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 May 12, 2011



VRT Rules 2011-05-10

Sourcefire VRT Rules Update

Date: 2011-05-10

Synopsis:

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

Details:

Microsoft Security Advisory MS11-035:
The Microsoft Windows Internet Name Service (WINS) contains a programming error that may allow a remote attacker to execute code on an affected system. This vulnerability does not require authentication before exploitation.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 18950.

Microsoft Security Advisory MS11-036:
Microsoft PowerPoint contains programming errors that may allow a remote attacker to execute code on an affected system via a malformed PowerPoint document.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 3, SID 18949.

Additionally, a previously released rule previously identified with GID 3, SID 16188 will also detect attacks targeting this issue. The rule is now identified with GID 1, SID 16188 and has been updated with the appropriate reference information.

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 May 10, 2011



VRT Rules 2011-05-05

Sourcefire VRT Rules Update

Date: 2011-05-05

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the dos, netbios, oracle, smtp, snmp, 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 May 05, 2011



VRT Rules 2011-05-03

Sourcefire VRT Rules Update

Date: 2011-05-03

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the attack-responses, blacklist, dos, exploit, ftp, policy, rpc, scada, smtp, specific-threats, tftp, web-activex, web-cgi 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 May 03, 2011