Corrected function to find dll module base

marcoigorr · Aug 26, 2022 · 190a0f6 · 190a0f6
1 parent d1bd6ee
commit 190a0f6
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Showing 4 changed files with 33 additions and 16 deletions.
diff --git a/Option.h b/Option.h
@@ -3,21 +3,17 @@
 class Option
 {
 public:
-	bool exit;
+	bool exit = false;
 
 	int SCREEN_WIDTH;
 	int SCREEN_HEIGHT;
 	void GetDesktopResolution(int& horizontal, int& vertical);
 
-	bool bMenu;	
-	bool bGodMode;
+	bool bMenu = true;	
+	bool bGodMode = false;
 
 	// Constructor
 	Option() {
-		this->exit =		false;
-		this->bMenu =		true;
-		this->bGodMode =	false;
-
 		GetDesktopResolution(this->SCREEN_WIDTH, this->SCREEN_HEIGHT);
 	}
 };

diff --git a/main.cpp b/main.cpp
@@ -45,10 +45,10 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 		// Get Handle to target Process
 		hProcess = OpenProcess(PROCESS_ALL_ACCESS, NULL, procId);
 
-		// Module base address
-		addr->moduleBase = proc->GetModuleBaseAddress64(procId);
+		// Proc base address
+		addr->moduleBase = (uintptr_t)proc->GetModuleBaseAddress64(procId);
 
- 		addr->unityPlayer = proc->getDllModule((LPSTR)"UnityPlayer.dll");
+ 		addr->unityPlayer = (uintptr_t)proc->GetDllModule(L"UnityPlayer.dll", procId);
 	}
 	else
 	{
@@ -112,10 +112,8 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
 	MSG msg;
 
 	// Main loop
-	while (!(GetAsyncKeyState(VK_END)))
+	while ((!(GetAsyncKeyState(VK_END))) && !option->exit)
 	{
-		//if (exit) break;
-
 		// Check to see if any messages are waiting in the queue
 		while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
 		{

diff --git a/proc.cpp b/proc.cpp
@@ -71,9 +71,32 @@ DWORD_PTR Proc::GetModuleBaseAddress64(DWORD processID)
 	return baseAddress;
 }
 
-DWORD Proc::getDllModule(LPSTR lpDllName) 
+DWORD Proc::GetDllModule(const wchar_t* module, DWORD procId)
 {
-	// to do with msdn process32first
+	HANDLE hSnap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, procId);
+
+	if (hSnap == INVALID_HANDLE_VALUE)
+	{
+		return 0;
+	}
+
+	MODULEENTRY32 modEntry;
+	modEntry.dwSize = sizeof(MODULEENTRY32);
+
+	if (!Module32First(hSnap, &modEntry))
+	{	
+		return 0;
+	}
+
+	if (!_wcsicmp(modEntry.szModule, module))
+		return (DWORD)modEntry.modBaseAddr;
+
+	while (Module32Next(hSnap, &modEntry))
+	{
+		if (!_wcsicmp(modEntry.szModule, module))
+			return (DWORD)modEntry.modBaseAddr;
+	}
+
 }
 
 Proc* proc = new Proc();
diff --git a/proc.h b/proc.h
@@ -8,7 +8,7 @@ class Proc
 
 	DWORD GetProcId(const wchar_t* procName);
 	DWORD_PTR GetModuleBaseAddress64(DWORD processID);
-	DWORD getDllModule(LPSTR lpDllName);
+	DWORD GetDllModule(const wchar_t* module, DWORD procId);
 
 	Proc() {
 		this->hProcess = 0;