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May 8, 2012 15:44

PHP-CGI vulnerability - exploits in the wild and Snort coverage

You've probably heard about the PHP-CGI command-line parameter vulnerability (CVE-2012-1823) released last Thursday, especially if you're defending a PHP-based web application environment. While it makes use of a non-default configuration for exploitation, for users who c

May 7, 2012 09:45

ClamAV and Snort coverage for Flashback and Sabpub

Being the resident VRT Apple fanboy that I am, I frequently am assigned every piece of Apple malware and Apple-related vulnerability research that comes through the office.  Luckily that's not very much.  (Fanboy jabs with his right!) However, lately, the variants of Flashba

May 1, 2012 10:16

Razorback 0.5.0 released

The Razorback team has released version 0.5.0. You can find the new version of Razorback here:  http://sfi.re/JlWZ0U.  We have also updated the virtual machine, which you can get here: http://sfi.re/IAW1oa. This release adds support for running inspection nuggets on Windows. At t

April 26, 2012 10:30

ClamAV vs. Content IQ Test, part 3

This is the third post in a series of blog posts about the Content IQ Test. Please see ClamAV vs. Content IQ Test, part 1 and ClamAV vs. Content IQ Test, part 2. Today we look at how ClamAV would handle detecting the target string when embedded in polymorphic files. If you were

April 17, 2012 23:35

Prototyping Mitigations with DBI Frameworks

A couple weeks ago I had the privilege of both attending my first Austin Hackers Association meeting and speaking at the first Infosec Southwest conference in Austin, Texas. I had been wanting to visit Austin for several years now and was excited to see the dynamics of the local

April 17, 2012 14:50

Snort Performance and IP-Only Rules

One of the most frequent topics that comes up when I'm out speaking to customers, or when anyone from the VRT is discussing Snort on a mailing list, IRC channel, etc., is performance. Everyone wants to know how to make their rules faster - and many people are willing to go to

April 12, 2012 17:06

Special Delivery -- Phoenix Exploit Kit

You would think that spam masquerading as a delivery company would be getting a little long in the tooth, but that isn't the case.Last week the winner was "DHL Attention 846698", which looks something like this: Good day! Dear Consumer , Recipient's address

April 4, 2012 14:52

Adventures in Domain Takedowns

I gave a presentation entitled "Adventures in Domain Takedowns" recently at the APCERT 2012 conference in Bali, Indonesia. The conference itself was excellent - plenty of good technical material and lots of useful contacts - and the location, of course, couldn't hav

March 21, 2012 13:14

ClamAV vs. Content IQ Test, part 2

This is the second post in a series of blog posts about the Content IQ Test. Please see ClamAV vs. Content IQ Test, part 1. Let's see how ClamAV does with test files that contain auto-executing embedded active content. Test file 10 contains the target string in an obfuscate