A Proof of Concept code - loading and injecting MSVC object file.
Blog post with explanation: https://0xpat.github.io/Malware_development_part_8/
Download the repo (git clone --recursive), compile x64 Release and run like this:
(.\COFFInjector\bin\x64\Release\COFFInjector.exe COFFObject\obj\x64\Release\COFFObject.obj
Currently works for x64 only.