Mask Your Checksums – The Gorry Details

When publicly submitting packet data, it is common wisdom to mask things such as your IP addresses. It is also advised that you mask your checksums, why? This talk attempts to beat this dead horse to the ground, with demonstrations and an open-source tool release.

Eric (XlogicX) Davisson
Eric has degrees ranging in fields like criminal justice, engineering, and business (from Accociates to Masters). He has a security analyst day job and owns the phx2600.org domain. Eric is interested in obscure languages like whitespace, brainf**k, and non-0x86 assembly. He’s presented at Hackers on Planet Earth 9 (Explosive Steganography), CactusCon (Doing it Wrong with Scalpel), and BSidesPHX. He is currently doing dumb stuff with TCP/IP.