I got inspired by @vysecurity and his FSharp Shell code (https://github.com/vysec/FSharp-Shellcode) to try and get it to 0 detections on virus total.
So I hacked together a few peices of code from:
- https://webstersprodigy.net/2012/08/31/av-evading-meterpreter-shell-from-a-net-service/ - as a base
- https://raw.githubusercontent.com/vysec/FSharp-Shellcode/master/FSharp-Shellcode.fs - as inspiration
- https://stackoverflow.com/questions/1361965/compile-simple-string - as a source of code
- https://www.exploit-db.com/exploits/28996/ - for a msgbox popup shellcode test
C# code to compile another C# code from string and run shellcode
Same as Vincents code: Replace with 32 bit shellcode if compiling as 32 bit, and 64 bit if compiling as 64 bit.
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