Reverse Engineering [Video] What code is executed before .NET main() and how does malware abuse it

[struppigel]

The main() method in .NET applications is considered as the entry point. But it is not the first thing being executed, which is purposefully used to deter reverse engineers. We write Intermediate Language assembly code to find out what is actually executed before main() in a .NET assembly.



00:00 Intro
00:19 Writing a Hello World in IL
02:43 Adding a static constructor
04:28 Adding a module constructor
05:24 ConfuserEx sample abusing module constructor
08:12 Washi - What really is the Entry Point of a .NET Module