VRT Advisories


July 2012 Archive

VRT Rules 2012-07-24

Sourcefire VRT Rules Update

Date: 2012-07-24

Synopsis:

This release adds and modifies rules in several categories.

Details:

The Sourcefire VRT has added and modified multiple rules in the backdoor, bad-traffic, blacklist, botnet-cnc, exploit, file-identify, file-office, file-pdf, indicator-compromise, policy, scan, spyware-put, 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.

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 Jul 24, 2012



VRT Rules 2012-07-19

Sourcefire VRT Rules Update

Date: 2012-07-19

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, chat, dos, exploit, file-identify, file-office, file-other, file-pdf, ftp, policy, smtp, specific-threats, 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.

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 Jul 19, 2012



VRT Rules 2012-07-17

Sourcefire VRT Rules Update

Date: 2012-07-17

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, file-identify, file-office, file-other, netbios, policy, scada, specific-threats, spyware-put, web-activex, 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 Jul 17, 2012



VRT Rules 2012-07-12

Sourcefire VRT Rules Update

Date: 2012-07-12

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, file-identify, file-office, file-other, netbios, policy, scada, specific-threats, spyware-put, web-activex, 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 Jul 12, 2012



VRT Rules 2012-07-10

Sourcefire VRT Rules Update

Date: 2012-07-10

Synopsis:

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

Details:

Microsoft Security Bulletin MS12-043:
Microsoft Internet Explorer contains programming errors 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 23142 through 23146 and 23286 through 23304.

Microsoft Security Bulletin MS12-044:
Microsoft Internet Explorer suffers from a programming error that may allow a remote attacker to execute code or cause a Denial of Service (DoS) on a vulnerable system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 23278.

Microsoft Security Bulletin MS12-045:
Microsoft Internet Explorer contains a programming error that may allow a remote attacker to execute code on an affected system with the privilege of the current user.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 23280.

Microsoft Security Bulletin MS12-046:
Microsoft Word suffers from a programming error that may allow a remote attacker to execute code on a vulnerable system.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 23315 and 23316.

Microsoft Security Bulletin MS12-048:
A vulnerability exists in the way that Microsoft Windows systems attempt to open certain file types that may allow a remote attacker to execute code on a vulnerable system.

A rule to detect attacks targeting this vulnerability is included in this release and is identified with GID 1, SID 23314.

Microsoft Security Bulletin MS12-050:
Microsoft SharePoint contains a programming error that may allow a remote attacker to execute a cross-site scripting attack against a client.

Rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 1, SIDs 23279, 23281 and 23282.

Previously released rules identified with GID 1, SIDs 23136 and 23137 will also detect attacks targeting this vulnerability.

Additionally, the Sourcefire VRT has added and modified multiple rules in the botnet-cnc, dos, file-identify, file-office, file-other, file-pdf, netbios, 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 Jul 10, 2012



VRT Rules 2012-07-03

Sourcefire VRT Rules Update

Date: 2012-07-03

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, file-identify, file-pdf, indicator-compromise, netbios, server-mail, shellcode, specific-threats, spyware-put, 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 Jul 03, 2012