A few days ago, I started writing a series of articles about tools and methods for unpacking malware. Each piece of malware or packer is different, and sometimes a universal method cannot be used for unpacking. However, common characteristics can sometimes be found. For example, packers often use weak encryption algorithms, and breaking these algorithms … Read more
A few days ago, I began writing a series of articles about tools and methods for unpacking malware. Each malware or packer is different, and sometimes general methods do not work for unpacking. However, common characteristics can sometimes be found among them. For example, packers often use weak encryption algorithms, which can be cracked. In … Read more
1. Introduction On the Android platform, the Java code written by programmers is ultimately compiled into bytecode that runs on the Android virtual machine. Since Android came into the public eye, decompilation tools such as apktool and jadx have emerged one after another, becoming increasingly powerful. The bytecode compiled from Java has become vulnerable in … Read more