After a software challenge, a hardware one (still from the Ph0wn CTF):
Like many IoT devices, your adventure starts with a small chip. Can you find the flag?
This post describes a solution using Bus Pirate.
My previous post describes the hardware challenge Flag Digger and a solution using Bus Pirate and flashrom. Here, I present a solution using Hydrabus and a custom Pyton 3 script. It goes also far more into technical details and explains how to communicate with SPI flash memories.