The message also told us that for the remainder of these challenges, each answer will be a URL starting at Dialing this number on the badge itself does nothing, there were physical telephones in the Contests area of the convention that needed to be used for the remainder of these challenges.Ĭalling 903-5768 on these phones gave us a series of 5 clues about 5 missing friends:Īlice - Was last seen shopping for a new water pipeīob - Little Bobby turn tables, dropped himself "YИИEႱ" is a reference to the song "867-5309 / Jenny" by Tommy Tutone, and since Jenny is written backwards, we're meant to dial her number backwards: 903-5768. NOTE: You must be on the default "4" octave for this to work, if you hit left or right to change octave you will not unlock part 2! Challenge1.mp4Īfter playing Peer Gynt Suite, the Challenge option on the badge now shows us the message Call YИИEႱ and our keyboard now plays dial tones instead of notes. GEDCDE GEDCDE GEGAEA GEDC GEDCDE GEDCDEDE GEGAEA B G# F# E Playing these notes on the badge in "Play" mode unlocks Challenge Part 2:ĪNSWER: in Play mode, play these notes at any speed: Once in this order, the measures form the beginning of the song "Peer Gynt Suite No.1". That's our key to ordering the other 8 badges by color: Purple, Orange, White, White, Yellow, Green, Blue, Red. Gathering photos of all 9, we find that 8 have music and 1 (the grey CFP badge) has letters spelling POWWYGBR There are 9 different colored badge types at DEF CON, and each type had something different on the faceplate. This is a reference to the musical measures found on the faceplate of the badge itself. NOTE: The misspelling of the word Measures was accidental and not relevant to the challenges. The first challenge can be found by selecting the "Challenge" option on the main menu. You can look over our documentation here:įinally, if you enjoy this sort of thing, I encourage you to join us in Discord for next year's challenge here: We divided the challenge into 3 parts: gathering notes, gathering friends, and the final thread. Big thanks go out to Mike, redactd, and crew at MKFactor for the truly unique and beautiful badge, and also for the many hours of pain and suffering fun! We had a huge crew of hackers in person and on Discord working on the badge challenge from the moment they started handing out the badges Thursday morning all the way through Sunday afternoon, when we finally finished the last challenge just four hours before DEF CON ended. This year's challenge was heavily focused on music and hacker pop culture, which (I think) made it more widely accessible than some previous badge challenges. Hello there! I'm Pete - aka Kybr - and this is my writeup for the DEF CON 30 badge challenge. What if I missed the phones at the con?.DC30-Badge-Challenge-Writeup Table of Contents
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