Cheat Engine

[HSergi]

The game is Tekken 8. I think developers incorporated some anti-debugging technique: there's no anti-cheat, they just built something themselves. They have been incorporating some anti-reversing techniques for a few years now: so far it was just encrypting specific fields so they're harder to find.
But now I can't breakpoint anywhere. No matter what breakpoint I put: access, write or execution, and no matter where: either in the game's code/data, or even when I put the breakpoint in my own dll and I attach Visual's Studio debugger, once the breakpoint is hit, the game crashes immediately.

What I noticed is that memory in the game module is marked as execute/read/copy on write for code. Changing the permission to read/write/execute in the whole process has no effect: once the breakpoint is hit, it crashes.

Scanning/reading/writing game module's memory works. dll injection also works.

My guess it's some function call at game start that makes the system notify the game when the breakpoint is hit and then it just exist immediately. But at the moment I don't know which. I am going to google it and see what I can do, but maybe you guys here have a good idea what it is from just reading the description, any suggestions on what to check are appreciated.

Going to post if I find the solution and manage to fix it.

[Dark Byte]

Have you tried the other debugger interfaces like veh debug or dbvm level ?

[HSergi]