private void PipeReaderThread(PipeClient pipeClient)
{
while (pipeClient.Pipe.IsConnected)
{
Message message = pipeClient.ReadMessage();
pipeClient.HandleMessage(message);
}
Logger.Log("Client " + pipeClient.PID + " has disconnected");
OpenProcesses.Remove(pipeClient.PID);
}
private void BackgroundInjectorThread()
{
// privileges
const int PROCESS_CREATE_THREAD = 0x0002;
const int PROCESS_QUERY_INFORMATION = 0x0400;
const int PROCESS_VM_OPERATION = 0x0008;
const int PROCESS_VM_WRITE = 0x0020;
const int PROCESS_VM_READ = 0x0010;
// used for memory allocation
const uint MEM_COMMIT = 0x00001000;
const uint MEM_RESERVE = 0x00002000;
const uint PAGE_READWRITE = 4;
const int SLEEP_BETWEEN_PROC_CHECK = 1000;
IntPtr loadLibraryAddr = GetProcAddress(GetModuleHandle("kernel32.dll"), "LoadLibraryA");
string dllName = Path.Combine(Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName), "MXLPersonalArmoryHook.dll");
while (true)
{
foreach (Process p in Process.GetProcessesByName("Game"))
{
if (p.Threads.Count < 1 || OpenProcesses.ContainsKey(p.Id))
{
continue;
}
IntPtr procHandle = OpenProcess(PROCESS_CREATE_THREAD | PROCESS_QUERY_INFORMATION | PROCESS_VM_OPERATION | PROCESS_VM_WRITE | PROCESS_VM_READ, false, p.Id);
IntPtr allocMemAddress = VirtualAllocEx(procHandle, IntPtr.Zero, (uint)((dllName.Length + 1) * Marshal.SizeOf(typeof(char))), MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
UIntPtr bytesWritten;
WriteProcessMemory(procHandle, allocMemAddress, Encoding.Default.GetBytes(dllName), (uint)((dllName.Length + 1) * Marshal.SizeOf(typeof(char))), out bytesWritten);
PipeClient pipeClient = new PipeClient(p.Id);
IntPtr RemoteThread = CreateRemoteThread(procHandle, IntPtr.Zero, 0, loadLibraryAddr, allocMemAddress, 0, IntPtr.Zero);
if (RemoteThread != IntPtr.Zero)
{
Logger.Log("Waiting for " + p.Id + " pipe connection...");
pipeClient.Pipe.WaitForConnection();
Logger.Log("Client " + p.Id + " has connected");
Thread pipeReaderThread = new Thread(() => PipeReaderThread(pipeClient));
pipeReaderThread.IsBackground = true;
pipeReaderThread.Start();
OpenProcesses[p.Id] = pipeClient;
Logger.Log("Successfully attached to " + p.Id);
}
else
{
Logger.Log("Failed to attach to " + p.Id);
}
}
Thread.Sleep(SLEEP_BETWEEN_PROC_CHECK);
}
}
