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Playlist "29C3: Not my department"

Writing a Thumbdrive from Scratch

Travis Goodspeed

This action-packed lecture presents the inner workings of the author's from-scratch implementation of a USB Mass Storage disk in user-land Python, along with some embarrassing bugs in operating systems that support such disks. The lecture concludes with an introduction to Active Antiforensics, in which a thumbdrive's own firmware can recognize and defend itself against disk imaging and other forensic tools.