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iPromise
Grandmaster Cheater
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Joined: 27 Jun 2009
Posts: 529
Location: Canada
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 Posted: Wed Dec 23, 2009 11:44 am Post subject: [C++] Help |
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Hello,
As you know i'm working on a memory scanner and I use the CreateWindowEx() api to create my forms because i'm coding this in a dll. Now to use the components in the CreateWindowEx api you need SendMessage. SendMessage from what I know is locally (ring3) hooked, so what would be the inline asm to emulate the operation codes that gameguard or hacksheild replaces with their own?
So basically, would the trampoline be like this:
| Code: |
DWORD SendMessagePtr = (DWORD) GetProcAddress(GetMoudleHandle(L"user32.dll"), "SendMessage");
void SendMessageX(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
__asm {
mov edi, edi
push ebp
mov esp, ebp
jmp [SendMessagePtr]
}
}
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Stylo
Grandmaster Cheater Supreme
![]() Reputation: 3
Joined: 16 May 2007
Posts: 1073
Location: Israel
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| Posted: Wed Dec 23, 2009 11:53 am Post subject: |
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it should be something like
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DWORD Address = (DWORD)GetProcAddress(GetModuleHandle(_T("User32.Dll")),"SendMessage") + 5;
__declspec(naked) BOOL WINAPI _SendMessage(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
__asm
{
mov edi,edi
push ebp
mov ebp,esp
jmp dword ptr ds:[Address]
}
}
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Anden100
Grandmaster Cheater
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Joined: 20 Apr 2007
Posts: 668
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| Posted: Wed Dec 23, 2009 12:14 pm Post subject: |
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| you need to add 5 to the SendMessagePtr, and then your prolouge is a little wrong (mov esp, edb should be mov edb, esp, and you dont need mov edi,edi)
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iPromise
Grandmaster Cheater
![]() Reputation: -1
Joined: 27 Jun 2009
Posts: 529
Location: Canada
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| Posted: Wed Dec 23, 2009 12:36 pm Post subject: |
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@Anden100 Forgot to add the + 5 because I did the code on the spot, thanks anyways.
@__DoR Thanks, worked 
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