What's on the Wire? Physical Layer Tapping with Project Daisho presented at BlackHatUSA 2013

by Michael Ossmann, Dominic Spill, Michael Kershaw,

Summary : We believe that flaws in network protocols will not be discovered unless physical layer communication tapping solutions are made available to security researchers. In order to have confidence in our communication media we need the ability to monitor and modify the packets transferred on the wire. 802.11 network monitoring allowed the flaws in WEP and WPA to be exposed, Bluetooth Low Energy monitoring has shown problems in the key exchange protocol, but we are often more trusting of wired connections. Project Daisho is an attempt to fix that trust by allowing researchers to investigate wired protocols using existing software tools wherever possible. Daisho is an open source, extensible, modular network tap for wired communication media such as gigabit Ethernet, HDMI connections, and USB 3.0 connections. All aspects of the project are open source, including the hardware designs, software and FPGA cores. The project is producing the first open source USB 3.0 FPGA core.

Michael Ossmann: Michael Ossmann is a wireless security researcher who has been obsessed with Bluetooth for much of the past three years. He founded Great Scott Gadgets in an effort to put new tools into the hands of smart people.