A critical vulnerability in Microsoft Internet Explorer outlined in Microsoft Security Bulletin MS08-078, is covered by a previously released rule.

The rule to detect attacks targeting this vulnerability was included in the release on 2008-12-11 and is identified with GID 1, SID 15126. Future revisions of this rule will contain the appropriate reference information.

Details on the rules from the release on 2008-12-11 are here http://www.snort.org/vrt/advisories/vrt-rules-2008-12-11.html.

Ur Welcom.