Ipsw Walkthrough Part 1 – The Swiss Army Knife for iOS/MacOS security research

In this first blog post about ipsw tool we will see its basic uses and how it can make our life a lot easier. ipsw is a tool that can be used for *OS research, it provides a lot of functionalities related to dyld_shared_cache, DeviceTree, kernelcache, Img4, etc. which are all of interest to security researchers.

We will go over each of command to see what it does and how to use it, but before we do that, we first …