changeStringSize

#include <windows.h>
#include <iostream>
#include <TlHelp32.h>
#include <tchar.h>

//this program redirect the twitter button func from twitter to google

DWORD dwGetModuleBaseAddress(DWORD dwProcessIdentifier, TCHAR *lpszModuleName)
{
    HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, dwProcessIdentifier);
    DWORD dwModuleBaseAddress = 0;
    if (hSnapshot != INVALID_HANDLE_VALUE)
    {
        MODULEENTRY32 ModuleEntry32 = { 0 };
        ModuleEntry32.dwSize = sizeof(MODULEENTRY32);
        if (Module32First(hSnapshot, &ModuleEntry32))
        {
            do
            {
                if (_tcscmp(ModuleEntry32.szModule, lpszModuleName) == 0)
                {
                    dwModuleBaseAddress = (DWORD)ModuleEntry32.modBaseAddr;
                    break;
                }
            } while (Module32Next(hSnapshot, &ModuleEntry32));
        }
        CloseHandle(hSnapshot);
    }
    return dwModuleBaseAddress;
}

int main()
{
    HWND hWnd = FindWindowA(0, "Geometry Dash");

    while (hWnd == NULL)
    {
        std::cout << "Waiting for GD..." << std::endl;
        hWnd = FindWindowA(0, "Geometry Dash");
        Sleep(250);
        system("cls");
    }

    DWORD pId;
    GetWindowThreadProcessId(hWnd, &pId);
    HANDLE hProc = OpenProcess(PROCESS_ALL_ACCESS, 0, pId);

    if (hProc == NULL)
    {
        std::cout << "Failed to open gd's handle. Please, retry running this program with higher privileges." << std::endl;
        system("pause>nul");
        return -1;
    }

    DWORD bAddr = dwGetModuleBaseAddress(pId, L"GeometryDash.exe");

    byte buffer[] = "https://www.google.com/search?q="; //our custom string

    DWORD addressOfString = (DWORD)VirtualAllocEx(hProc, NULL, sizeof(buffer), MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE); //allocate space
    WriteProcessMemory(hProc, (LPVOID)addressOfString, buffer, sizeof(buffer), NULL); //write custom string to space

    DWORD old, backup;
    VirtualProtectEx(hProc, (LPVOID)(bAddr + 0x213068), 6, PAGE_EXECUTE_READWRITE, &old); //change protection
    WriteProcessMemory(hProc, (LPVOID)(bAddr + 0x213068), new byte{ 0x20 }, 1, NULL); //change string length to 32 (no null byte)
    WriteProcessMemory(hProc, (LPVOID)(bAddr + 0x213068 + 0x2), &addressOfString, 4, NULL); //change address of pushed string
    VirtualProtectEx(hProc, (LPVOID)(bAddr + 0x213068), 6, old, &backup); //change protection back

    CloseHandle(hProc);

    std::cout << "Hack applied." << std::endl;
    system("pause");
    return 0;
}