Gumblar and More On Javascript Obfuscation
A couple of months ago I put together a post on detection of obfuscated JavaScript. Not surprisingly, that topic has popped back up on the VRT radar screen this week, this time in the context of something much more interesting - Gumblar, the new worm that everyone is talkingabout
Winamp MAKI Parsing Vulnerability Details
About two months ago, we found a vulnerability in the Winamp 5.55 MAKI script parsing module. We reported our findings to AOL. AOL then released Winamp version 5.552 with the fix. Here are the details: Winamp MAKI Parsing Integer Overflow Vulnerability Vendor: AOL/Nullsoft Sev
Rules to detect IIS 6.0 WebDAV exploit
Thanks for the inquiries. Here are rules that detect attacks against IIS 6.0 with WebDAV enabled. (see yesterdays post for details) alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"WEB-IIS Microsoft IIS 6.0 WebDAV COPY remote authentication bypass attempt"
Snort protection against IIS 6.0 WebDAV exploit
Microsoft Security Advisory (971491) published on May 18, 2009 concerns a vulnerability in IIS that may allow unauthorized access to an area of a website that would normally be protected. An attack against IIS 6.0 with WebDAV enabled was published at milw0rm (http://www.milw0rm.
IP Blacklisting in Snort
Our Supreme Overlord and Benevolent Dictator, Marty Roesch, had a little free time on his hands over the weekend and spent some of it writing a new preprocessor for Snort 2.8.4.1 that implements IP blocklisting. This should help a great deal with performance for those folks who l
Microsoft Tuesday Coverage for May MS09-017
Microsoft Security Advisory MS09-017: Microsoft PowerPoint contains several programming errors that may allow a remote attacker to execute code on a vulnerable system via a specially crafted PowerPoint file. Rules to detect attacks targeting these vulnerabilities are included in
Exploit Development Class
Want to impress your friends, colleagues, girls, boys, employer, future employer? Want to become more attractive to the opposite sex? Want to make your past employer and/or ex-(girlfriend|boyfriend|spouse) jealous? Then you need to get dangerous and become awesome. We're run
Estimating Time
One of the developers here at Sourcefire, Andrew Williams, has written what we think is an interesting piece on Estimating Time for project planning. Take a look at it here: http://www.baltdad.com/2009/05/estimation/
Snort and Neural Networks
Jacson Rodrigues Correia da Silva just finished his Bachelors degree in computer science. As part of his final project, he came up with an implementation that allows you to use Snort with JavaNNS. (see http://www.cis.cau.edu/675/javasnns.html). This means, you could use Snort in