The Wayback Machine - https://web.archive.org/web/20070109011853/http://crypto.nsa.org:80/vilefault/
Slides and tar.gz up as of 13:09CET @ December 29th 2006. -ioerror

MD5 sums:
96481a8751ba401db825ab21734f1c93 23C3-VileFault.pdf
62b78b76204a350aa5349b8f8c58451a vilefault-23c3.tar.gz