Basics

The classical workflow for injecting and running code in a process, or at least the one that someone else used when writing the launcher I am working on, is as follows:

1. Start the process
2. Inject the DLL
3. Suspend the process
4. Call the DLL’s function
5. Resume process

e0434352 anyone?

I was debugging a process that was injected with a DLL written in C# in IDA, when IDA reported an exception: