Advanced Frida Usage Part 6 – Utilising writers

Introduction

Welcome to another blog post in our series on Advanced Frida Usage. We have covered a lot of features already but we still haven’t mentioned really important one and that is writer. Frida supports a number of different writers for different CPU architectures, such as X86Writer for x86 and Arm64Writer for AArch64.

Writers are used inside of Memory.patchCode because the assembly we write may end up in temporary location and later will be remapped to the target address.

In …