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April 10, 2009 08:47

Updating Software

Things to remember when updating software: * Backup what you already have * Use checklists * Read the documentation for the new software (including the INSTALL file and README) you never know what might have changed since the last time you did it * When install

April 8, 2009 18:03

Rule Release for today - April 8th 2009

This release updates the VRT Certified Snort Rules to utilize the new DCE/RPC v2 preprocessor. This change deletes more than 5000 rules in the netbios rule category and replaces them with a much smaller rule set. It aslo contains additional detection for hosts that are currently

April 6, 2009 08:43

Snort 2.8.4 is nigh

Back in February, I wrote about having to upgrade Snort pretty soon. Well, the time is upon us. This week, we will be releasing Snort 2.8.4. When this happens, the only way to stay current with detection for anything DCERPC related will be to upgrade Snort. We will not be releasi

April 3, 2009 13:34

New SO Rules For Conficker.C P2P Detection

As part of our ongoing research surrounding everyone's favorite new worm, Conficker, several members of the VRT recently joined the Conficker Working Group, a group of security professionals from a wide range of networking and security-related companies. You may have heard of

March 31, 2009 19:18

Rule release for today - March 31st 2009

A few new rules in this release, here's the highlights: MySQL Denial of Service (CVE-2009-0819): A programming error in MySQL Server may allow a remote attacker to cause a Denial of Service (DoS) against a vulnerable machine. Mozilla Firefox XML Buffer Overflow: A programmi

March 27, 2009 17:27

Rule release for today - March 27th 2009

A couple of interesting vulnerabilities covered in todays release, first one is for Microsoft Windows: Microsoft Windows GDI Buffer Overflow: A programming error in the Microsoft Windows kernel may allow a remote attacker to execute code with system level privileges. This may be

March 27, 2009 14:53

BEA WebLogic plug-in for Apache JSESSION Cookie overflow

Sometimes you forget you reported a vulnerability. Especially when the vendor keeps sending you lots of messages that contain the following: ____________________________________________________ Reporter: Matt Watchinski ("Matt Watchinski" <mwatchinski@sourcefire.co

March 25, 2009 11:33

Conficker.C Purchase tickets now for the April 1st event

Recap. Conficker.C also known as W32/Conficker.C.worm, WORM_DOWNAD.AD,W32.Downadup,Net-Worm.Win32.Kido.cn Still uses MS08-067 to spread itself just like the A and B variants, therefore the detection released on 2008-10-23 still generates events based on this spreading mechanism

March 20, 2009 10:29

Geographic Representation of Snort Events

One of the Sourcefire field engineers has whipped up a Perl script that will take events generated by Snort or a Sourcefire appliance and map them using Google Earth. You can find a write up here at Leon's blog where he has an interesting example relating to worm activity.