find a key http://shallweplayaga.me/binary/f414376cc2322d4ad4c5cd364e89fd34 まず何のファイルか確認 $ file f414376cc2322d4ad4c5cd364e89fd34 f414376cc2322d4ad4c5cd364e89fd34: ELF 32-bit LSB executable, Intel 80386, version 1 (GNU/Linux), sta…