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#include <Windows.h>
#include <TlHelp32.h>
#include <filesystem>
#include <sstream>
#include <iostream>
namespace fs = std::filesystem;
DWORD GetProcessByName(std::wstring processName)
{
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
PROCESSENTRY32 processSnapshotEntry = { 0 };
processSnapshotEntry.dwSize = sizeof(PROCESSENTRY32);
if (snapshot == INVALID_HANDLE_VALUE)
return 0;
if (!Process32First(snapshot, &processSnapshotEntry))
return 0;
while (Process32Next(snapshot, &processSnapshotEntry))
{
if (!wcscmp(processSnapshotEntry.szExeFile, processName.c_str()))
{
CloseHandle(snapshot);
return processSnapshotEntry.th32ProcessID;
}
}
CloseHandle(snapshot);
return 0;
}
void InjectInjectorIntoProcess(DWORD pid)
{
HANDLE procHandle = OpenProcess(PROCESS_ALL_ACCESS, false, pid);
std::wstring path = (fs::current_path() / "GameInjector.dll").wstring();
size_t length = (path.length() + 1) * 2;
LPVOID lpLibName = VirtualAllocEx(procHandle, NULL, length, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
WriteProcessMemory(procHandle, lpLibName, path.c_str(), length, 0);
// load minhook, since origin's loadlibrary won't load it from the tf directly by default
std::wstring minhookPath = (fs::current_path() / "MinHook.x86.dll").wstring();
size_t minhookLength = (minhookPath.length() + 1) * 2;
LPVOID lpMinhookLibName = VirtualAllocEx(procHandle, NULL, minhookLength, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
WriteProcessMemory(procHandle, lpMinhookLibName, minhookPath.c_str(), minhookLength, 0);
HMODULE hKernel32 = GetModuleHandleW(L"kernel32.dll");
LPTHREAD_START_ROUTINE pLoadLibraryW = (LPTHREAD_START_ROUTINE)GetProcAddress(hKernel32, "LoadLibraryW");
HANDLE thread = CreateRemoteThread(procHandle, NULL, 0, pLoadLibraryW, lpMinhookLibName, 0, 0);
WaitForSingleObject(thread, INFINITE);
thread = CreateRemoteThread(procHandle, NULL, 0, pLoadLibraryW, lpLibName, 0, 0);
WaitForSingleObject(thread, INFINITE);
DWORD dwExitCode;
GetExitCodeThread(thread, &dwExitCode);
std::cout << dwExitCode << std::endl;
CloseHandle(procHandle);
std::cout << pid << std::endl;
}
void CreateAndHookUnpackedTitanfallProcess()
{
PROCESS_INFORMATION tfPi;
memset(&tfPi, 0, sizeof(tfPi));
STARTUPINFO si;
memset(&si, 0, sizeof(si));
CreateProcessA("Titanfall2-unpacked.exe", (LPSTR)"", NULL, NULL, false, CREATE_SUSPENDED, NULL, NULL, (LPSTARTUPINFOA)&si, &tfPi);
PROCESS_INFORMATION pi;
memset(&pi, 0, sizeof(pi));
memset(&si, 0, sizeof(si));
std::stringstream argStream;
argStream << tfPi.dwProcessId;
argStream << " ";
argStream << tfPi.dwThreadId;
CreateProcessA("InjectionProxy64.exe", (LPSTR)(argStream.str().c_str()), NULL, NULL, false, 0, NULL, NULL, (LPSTARTUPINFOA)&si, &pi);
WaitForSingleObject(pi.hThread, INFINITE);
CloseHandle(pi.hThread);
CloseHandle(tfPi.hThread);
}
int main()
{
//AllocConsole();
// check if we're in the titanfall directory
if (!fs::exists("Titanfall2.exe") && !fs::exists("Titanfall2-unpacked.exe"))
{
MessageBox(NULL, L"Titanfall2.exe not found! Please launch from your titanfall 2 directory!", L"", MB_OK);
return 1;
}
// check for steam dll and unpacked exe
bool unpacked = fs::exists("Titanfall2-unpacked.exe");
bool steamBuild = !unpacked && fs::exists("steam_api64.dll");
// unpacked origin
if (unpacked)
{
// check origin process
DWORD origin = GetProcessByName(L"Origin.exe");
if (!origin)
{
// unpacked exe will crash if origin isn't open on launch, so launch it
// get origin path from registry, code here is reversed from OriginSDK.dll
HKEY key;
if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\WOW6432Node\\Origin", 0, KEY_READ, &key) != ERROR_SUCCESS)
return 1;
char originPath[520];
DWORD originPathLength = 520;
if (RegQueryValueExA(key, "ClientPath", 0, 0, (LPBYTE)&originPath, &originPathLength) != ERROR_SUCCESS)
return 1;
PROCESS_INFORMATION pi;
memset(&pi, 0, sizeof(pi));
STARTUPINFO si;
memset(&si, 0, sizeof(si));
CreateProcessA(originPath, (LPSTR)"", NULL, NULL, false, CREATE_DEFAULT_ERROR_MODE | CREATE_NEW_PROCESS_GROUP, NULL, NULL, (LPSTARTUPINFOA)&si, &pi);
// bit of a hack, but wait 12.5s to give origin a sec to init
// would be nice if we could do this dynamically, but idk how rn
Sleep(12500);
}
CreateAndHookUnpackedTitanfallProcess();
}
// packed
else
{
// create a titanfall process, this will cause origin to start launching the game
// if we're on steam, origin will launch the steam release here, too
// we can't hook the titanfall process here unfortunately, since the titanfall process we create here dies when origin stuff starts
PROCESS_INFORMATION pi;
memset(&pi, 0, sizeof(pi));
STARTUPINFO si;
memset(&si, 0, sizeof(si));
CreateProcessA("Titanfall2.exe", (LPSTR)"", NULL, NULL, false, 0, NULL, NULL, (LPSTARTUPINFOA)&si, &pi);
// hook launcher
DWORD launcherPID;
if (steamBuild)
while (!(launcherPID = GetProcessByName(L"steam.exe"))) Sleep(50);
else
while (!(launcherPID = GetProcessByName(L"Origin.exe"))) Sleep(50);
// injector should clean itself up after its job is done
InjectInjectorIntoProcess(launcherPID);
}
}
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