Study of an Android runtime (ART) hijacking mechanism for bytecode injection through a step-by-step analysis of the packer used to protect the DJI Pilot Android application. Introduction In the world of Android applications, it's not uncommon to come across applications protected by a packer. The role of a packer is to protect all or part of the application code from static analysis. There are many reasons why a developer might want to protect an application: Protect valuable business logic; Pro...