How to reverse a game and inject a dll in client program?

Question

I am trying to make a bot for a game. But when I open the game in debugger like Ollydbg or in x64dbg the game simply closes and also it doesn't appears in the Attach to the process list in File menu of debugger.

I have a source code for a client that if is not the same is almost the same. Can it help?

And if you guys can tell me steps to create a dll to inject on the client it would be awesome.

https://joguewydbr.com/WYDBR2022.msi - this is the application I want to reverse.

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Answer 1

Dont know if this will help or not. I had a similar situation for an android game which killed it self the moment it detected debuggers. What I did was, catch syscall kill() and find the instruction which caused it and then changed the condition that caused the call to kill() function. You could do a similar approach but when doing that I used gdb.

Answer 2

I have a source code for a client

o_O where my sources, dude?

the game simply closes

try to use ScyllaHide. How to hide Remote Windows Debugger in IDA Pro?

steps to create a dll to inject

https://www.unknowncheats.me/forum/grand-theft-auto-v/209725-easiest-inject-dll-files.html

https://www.unknowncheats.me/forum/c-and-c-/345937-injection-executable-code.html

https://www.unknowncheats.me/forum/team-fortress-2-a/74219-noob-question-inject-code.html