David Maynor: Architecture Flaws in Common Security Tools (English)

Black Hat Briefings, Japan 2005 [Audio] Presentations from the security conference

"Look at your new device! It has a great case, plenty of buttons, and those blue LEDs - wow! But when you strip away the trappings of modern artistic design, what does it really do and how does it help you sleep at night? Perhaps most importantly, what do hackers know about this new toy that you do not? Would you be surprised to know that simple TCP fragmentation can evade most security products in the world? What would you think if you learned that a hacker can apply simple, normally accepted encoding schemes to launch attacks right through most security tools? Come and see what hackers know; if you rely on these products to keep you safe, you can't afford not to. David Maynor Mr. Maynor is a research engineer with the ISS Xforce R&D team where his primary responsibilities include reverse engineering high risk applications, researching new evasion techniques for security tools, and researching new threats before they become widespread. Before ISS Maynor spent the 3 years at Georgia Institute of Technology (GaTech), with the last two years as a part of the information security group as an application developer to help make the sheer size and magnitude of security incidents on campus manageable. Before that Maynor contracted with a variety of different companies in a widespread of industries ranging from digital TV development to protection of top 25 websites to security consulting and penetration testing to online banking and ISPs."