Jeremy Dorrough - USB Attack to Decrypt Wi-Fi Communications

Materials Available here: https://media.defcon.org/DEF%20CON%2023/DEF%20CON%2023%20presentations/DEFCON-23-Jeremy-Dorrough-USB-Attack-to-Decrypt-Wi-Fi-Communications.pdf USB Attack to Decrypt Wi-Fi Communications Jeremy Dorrough Senior Network Security Architect / Genworth Financial The term “Bad USB” has gotten some much needed press in last few months. There have been talks that have identified the risks that are caused by the inherent trust between the OS and any device attached by USB. I found in my research that most of the available payloads for the USB rubber ducky would be stopped by common enterprise security solutions. I then set out to create a new exploit that would force the victim to trust my Man-In-The-Middle access point. After my payload is deployed, all Wi-Fi communications will be readable, including usernames, passwords and authentication cookies. The attack will work without the need of elevating privileges, which makes it ideal for corporate environments. Jeremy has built his career around protecting assets in the most critical IT sectors. He started his career working in a Network Operations Security Center for the US Army. He then went on to work as a Network Security Engineer defending Dominion’s North Anna Nuclear Power Station. He is currently a Senior Network Security Engineer/Architect at Genworth Financial. He is a MBA, CISSP, CEH, GIAC GPPA, CSA CCSK, ABCDEFG… Blah Blah Blah. Jeremy has spent over 10 years researching and implementing new ways to defend against the latest attacks. He enjoys creating new exploits and feels it makes him a more well-rounded defensive Security Engineer. He is happily married and a father to two soon to be hackers. When he’s not staring at a command prompt, he is busy building and driving demolition derby cars. Twitter: @jdorrough1

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