DotnetNoVirtualProtectShellcodeLoader
load shellcode without P/D Invoke and VirtualProtect call.

How
This code leverages built-in .NET functionality to allocate an RWX memory region and overwrite a C# method with your own shellcode using the RuntimeHelpers.PrepareMethod(handle) method.

https://github.com/Mr-Un1k0d3r/DotnetNoVirtualProtectShellcodeLoader