picoCTF2018

picoCTF 2018: keygen-me-1

問題 問題文 Can you generate a valid product key for the validation program in /problems/keygen-me-1_1_8eb35cc7858ff1d2f55d30e5428f30a7 問題概要 x86のELFファイルが与えられる. 解答例 指針 Cutter で解析 解説 wget コマンドで問題ファイルを取っ…

picoCTF2018: quackme up

問題 問題文 The duck puns continue. Can you crack, I mean quack this program as well? You can find the program in /problems/quackme-up_2_bf9649c854a2615a35ccdc3660a31602 on the shell server. 問題概要 x86のELFファイルが与えられる. 解答例 指…

picoCTF2018: be-quick-or-be-dead-1

問題 問題文 You find this when searching for some music, which leads you to be-quick-or-be-dead-1. Can you run it fast enough? You can also find the executable in /problems/be-quick-or-be-dead-1_3_aeb48854203a88fb1da963f41ae06a1c. 問題概要…