Binary Reversing Comic

July 14, 2009 by Zach Banks 26 Comments

b300

Last month, in preparation for Defcon 17, the qualifiers were held for capture the flag, one of Defcon’s most well known events. One participant, [mongii], did a writeup on how to solve problem B300. The challenge was to find the decryption key used by a program that had several twists that hindered debugging. After grappling with self-modifying code and junk instructions, the team was finally able to find the answer. This win helped Sapheads place in the top 10. Over at xchng.info, they are collecting solutions to the other problems. Sadly, they’re not all in comic form.

Live Android

July 14, 2009 by Caleb Kraft 23 Comments

504x_androidvirtural (Custom)

Excited about google Chrome? Can’t wait? Why not play with google’s other OS, Android. You can now run Android from a live cd on any X86 computer. Just pop it in and go without any damage to your existing data. They’ve already gotten it working on the EEE_701, let’s see one with touch screen installed.

Building A Snorricam

July 14, 2009 by Caleb Kraft 33 Comments

[youtube=http://www.youtube.com/watch?v=CoZOe3gOkco]

With digital cameras getting cheaper and higher quality, we find ourselves more capable of using them to make videos. A Snorricam can be a very useful tool if you like the effect it produces. This specific design allows for adjustment of the height and angle of the camera allowing for even more possibillities. As you can see in the video after the break, it seems to work pretty well. It might be nice to add some kind of vibration absorbtion though. Anyone got any ideas on that?

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