C# 不注入 c++ dll

Question

我尝试在 c# 上制作我自己的简单 dll 注入器，它注入一个 c++ dll。当我运行它不会给我任何错误。

我认为dll只是没有在进程中执行或者没有正确注入。

我在 windows 8.

代码：

public void Injector(string dll)
    {

        try
        {
            IntPtr allocMem = VirtualAllocEx(pHandle, IntPtr.Zero, (uint)((dll.Length + 1) * Marshal.SizeOf(typeof(char))), MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
            UIntPtr bytesWritten;
            WriteProcessMemory(pHandle, allocMem, Encoding.Default.GetBytes(dll), (uint)((dll.Length + 1) * Marshal.SizeOf(typeof(char))), out bytesWritten);

            CreateRemoteThread(pHandle, IntPtr.Zero, 0, Libaddr, allocMem, 0, IntPtr.Zero);
        }
        catch
        {
            throw new Win32Exception(Marshal.GetLastWin32Error());
        }
       
    }

完整代码： https://pastebin.com/LRNhfzMc

Answer 1

您从未为成员 IntPtr pHandle 设置值；和 IntPtr Libaddr；在你的注射器中 class.

将构造函数更改为：

    public injector(string proc_name)
    {
        Process proc = Process.GetProcessesByName(proc_name)[0];
        Console.WriteLine("pId: "+proc.Id);
        pHandle = OpenProcess(PROCESS_CREATE_THREAD | PROCESS_QUERY_INFORMATION | PROCESS_VM_OPERATION | PROCESS_VM_WRITE | PROCESS_VM_READ, false, proc.Id);
        Console.WriteLine("Proc handle: "+ pHandle.ToString());
        Libaddr = GetProcAddress(GetModuleHandle("kernel32.dll"), "LoadLibraryA");
    }

C# 不注入 c++ dll

C# doesn't inject c++ dll

c#

c++

dll-injection