Когда то сталкивался, ссылки по которым решал вопрос
https://www.ownedcore.com/forums/world-of-warcraft/world-of-warcraft-bots-programs/wow-memory-editing/309563-c-native-dll-mapper.html
https://www.mpgh.net/forum/showthread.php?t=531732&page=3
https://github.com/HubbyteDev/SharpNeedle
https://github.com/ChadSki/SharpNeedle/tree/master/src
https://github.com/pwndizzle/c-sharp-memory-injection
https://habr.com/company/devexpress/blog/343536/