Blog
Recent
January 26, 2010 16:23

Rule release for today - January 26th 2010

A few additions, some modifications. Mostly a maintenance release. Check it out: http://www.snort.org/vrt/advisories/2010/01/26/vrt-rules-2010-01-26.html

January 25, 2010 12:20

Using byte_jump as a Detection Mechanism

This is just a quick tidbit about writing effective snort rules that I thought I would share. I was writing a Snort shared object (SO) rule for demonstration purposes. I was going to use a "vulnerability" where the DATA section, which is the last part of the packet, spe

January 20, 2010 12:56

The Acrobat JavaScript Blocklist Framework

Adobe recently announced and released the Adobe Reader and Acrobat JavaScript Blocklist Framework. I've had a little bit of time to play with it and would just like to share my thoughts. First of all, I am very pleased with this new blocklisting feature. Until now, when we kn

January 15, 2010 12:47

Rule release for today - January 15th 2010

It seems that a couple of large companies were targeted with a vulnerability in Internet Explorer. Today's release contains a rule to detect attacks targeting this vulnerability. Check out the details at http://www.snort.org/vrt/advisories/2010/01/15/vrt-rules-2010-01-15.htm

January 14, 2010 22:57

January 2010 Vulnerability Report

Sourcefire VRT Vulnerability Report January 2010 from Sourcefire VRT on Vimeo. January 2010 Vulnerability Report This month Alain Zidouemba talks about Microsoft Tuesday, Adobe patches, Snort and ClamAV releases. From the beach. Where it's warm. While the rest of us freeze.

January 12, 2010 14:14

Microsoft Tuesday Coverage for January 2010

One advisory from Microsoft to start the year, one rule from us to cover it. Check it out here: http://www.snort.org/vrt/advisories/2010/01/12/vrt-rules-2010-01-12.html

January 8, 2010 11:48

VRT Guide To IDS Ruleset Tuning

Everyone who's ever used Snort, or any other IDS for that matter, for any length of time knows that in order to get the most of out of their system, they need to tune it. Most people have at least a basic idea of what that means - choosing the right rules to run, placing the

January 6, 2010 16:40

Adobe Responds to Vendor Response Blog Post

Hey folks, Brad Arkin, Director, Product Security & Privacy for Adobe Systems left a note in the comments section of my blog entry on Vendor response (http://vrt-sourcefire.blogspot.com/2009/12/matts-guide-to-vendor-response.html). In that post, I expressed my concern on a nu

January 6, 2010 16:21

Rule release for today - January 6th 2010

First rule release of the year, a few updates a few modifications. Check it out here: http://www.snort.org/vrt/advisories/2010/01/06/vrt-rules-2010-01-06.html