CDC 2017 - Crypto-Puzzles

Anyone who wants to solve these puzzles is welcome to do so. 

Your mission, should you choose to accept it, is to crack these puzzles. If you think you have the correct solution, email, and the Puzzlemaster will let you know if you have successfully completed your mission.

7 6f 6f 64 20 4c 75 63 6b 0d 0a