Challenges Round 1 of the Grand Reverse Engineering Challenge has 4 challenges, described below. Some are compiled for Linux/x86/64, some are compiled for Linux/ARM/32. The ARM binaries run well on a Raspberry Pi 4 (they have been tested on RPI4 running 32 bit Raspbian). There are three types of challenges: deobfuscation, tampering, and extraction. Note that the challenges do not necessarily repre