C# session hijacking gui i copied this guy and added buttons: https://github.com/bohops/SharpRDPHijack
Virustotal: https://www.virustotal.com/gui/file/e04f83a60e6849f62e49e79aecd3644e5f7257a7e5e47c765cca0c9b287b369c
you can look at the source with dnspy (ignore the shitty code structure)