Category Archives: security

Android: Loading and executing code at runtime – DexClassLoader

Sometimes you may want to add functionality to an application dynamically by adding new jar libraries. Custom classloaders can be used to execute code not installed as part of an application. Examples can range from security (hiding code in resources), mocking/testing, Object-relational mapping, etc. In Android, the DexClassLoader allows an application to load classes from… Read More »

Skype Hacking – Reverse Engineering Android Apps

It has been a long time since I did my last post. Time is short and intense and I have been living at a fast-pace =) During one of my personal projects I decided to study the internals of Android and the potential of altering the Dalvik VM (e.g. Xposed framework and Cydia) and application… Read More »

MITB attacks

While in highschool I had lots of fun with some trojans (eg. amitis), spoofing of mails, etc. Although I wasn’t quite sure of what I was doing at the time, I got a bit of the basics. While in IST I had the opportunity to study computer and network security in two different courses and… Read More »