Articles by Eric Le Guevel

3 articles
Date Tue 06 February 2024
Author Eric Le Guevel
Category Android

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.

Date Thu 27 April 2023
Author Eric Le Guevel
Category Android

This article is about greybox fuzzing of userland targets that can be encountered in Android using AFL++ and its Frida mode. We also discuss how to target JNI functions, to test the native features invoked by Java code.

Date Thu 04 March 2021
Author Eric Le Guevel
Category Android

A quick introduction to Android Emuroot, a Python script that allows to get root privileges on the fly on an Android Virtual Device (AVD). It explains the reverse engineering steps needed for the script to work with recent AVDs and provides a preview of specific Linux kernel structures in memory.