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Change a mono game property

 
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NatanM
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Joined: 03 Mar 2020
Posts: 7
PostPosted: Fri Sep 04, 2020 7:47 pm    Post subject: Change a mono game property Reply with quote
So i have the boolean property "Visible", it has a set and a get function.

How can i make the set function value always true ?

Code:

PlayerControl.set_Visible - 55                    - push ebp
PlayerControl.set_Visible+1- 8B EC                 - mov ebp,esp
GameAssembly.dll+1FC1C3   - 80 3D B359B868 00     - cmp byte ptr [GameAssembly.dll+D959B3],00
GameAssembly.dll+1FC1CA   - 75 15                 - jne GameAssembly.dll+1FC1E1
GameAssembly.dll+1FC1CC   - FF 35 481D8B68        - push [GameAssembly.dll+AC1D48]
GameAssembly.dll+1FC1D2   - E8 D93BF5FF           - call GameAssembly.dll+14FDB0
GameAssembly.dll+1FC1D7   - 83 C4 04              - add esp,04
GameAssembly.dll+1FC1DA   - C6 05 B359B868 01     - mov byte ptr [GameAssembly.dll+D959B3],01
GameAssembly.dll+1FC1E1   - 53                    - push ebx
GameAssembly.dll+1FC1E2   - 56                    - push esi
GameAssembly.dll+1FC1E3   - 8B 75 08              - mov esi,[ebp+08]
GameAssembly.dll+1FC1E6   - 57                    - push edi
GameAssembly.dll+1FC1E7   - 8B 46 6C              - mov eax,[esi+6C]
GameAssembly.dll+1FC1EA   - 85 C0                 - test eax,eax
GameAssembly.dll+1FC1EC   - 0F84 6C010000         - je GameAssembly.dll+1FC35E
GameAssembly.dll+1FC1F2   - 8B 7D 0C              - mov edi,[ebp+0C]
GameAssembly.dll+1FC1F5   - 6A 00                 - push 00
GameAssembly.dll+1FC1F7   - 57                    - push edi
GameAssembly.dll+1FC1F8   - 50                    - push eax
GameAssembly.dll+1FC1F9   - E8 C2773800           - call UnityEngine.Renderer.set_enabled
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Dark Byte
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Joined: 09 May 2003
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Location: The netherlands
PostPosted: Sat Sep 05, 2020 12:17 am    Post subject: Reply with quote
At the function entrance do a code injection that writes a 1 to [esp+8]

of if you hook after the mov ebp,esp write a 1 to [ebp+c]
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NatanM
How do I cheat?
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Joined: 03 Mar 2020
Posts: 7
PostPosted: Sat Sep 05, 2020 11:38 am    Post subject: Reply with quote
Thanks it worked
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