c# - EasyHook recv 不是 "hook"所有数据包

Question

我设法编写了一个 Hook recv 函数的半工作 EasyHook 示例。我编写了一个表单，添加了一个 WebBrowser 组件，然后启动了应用程序。问题是，我得到了 HTTP 数据包，但如果有套接字，似乎 recv 停止“ Hook ”。 问题是，使用外部应用程序 Spystudio，我可以让它们挂接 recv。那么，我错过了什么？

using System;
using System.Collections.Generic;
using System.Data;
using System.Runtime.InteropServices;
using System.Threading;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels.Ipc;
using EasyHook;

namespace flashing
{
    public partial class Form1 : Form,EasyHook.IEntryPoint
    {
        public LocalHook CreateRecvHook;

        public Form1()
        {
            InitializeComponent();
        }

        [DllImport("Ws2_32.dll")]
        static extern int recv(
                    IntPtr socketHandle,
                    IntPtr buf,
                    int count,
                    int socketFlags
            );


        [UnmanagedFunctionPointer(CallingConvention.StdCall,
            CharSet = CharSet.Unicode,
            SetLastError = true)]


        delegate int Drecv(
                    IntPtr socketHandle,
                    IntPtr buf,
                    int count,
                    int socketFlags
            );


        static int recv_Hooked(
                    IntPtr socketHandle,
                    IntPtr buf,
                    int count,
                    int socketFlags)
        {
            int bytesCount = recv(socketHandle, buf, count, socketFlags);
            if (bytesCount > 0)
            {
                byte[] newBuffer = new byte[bytesCount];
                Marshal.Copy(buf, newBuffer, 0, bytesCount);
                string s = System.Text.ASCIIEncoding.ASCII.GetString(newBuffer);
                TextWriter tw = new StreamWriter("log.txt");
                tw.Write(s);
                tw.Close();
                Debug.WriteLine("Hooked:>" + s);
            }
            return bytesCount;
        }


        private void bottonHook_Click(object sender, EventArgs e)
        {
            try
            {
                CreateRecvHook = LocalHook.Create(
                    LocalHook.GetProcAddress("Ws2_32.dll", "recv"),
                    new Drecv(recv_Hooked),
                    this);

                CreateRecvHook.ThreadACL.SetExclusiveACL(new Int32[] { 0 });
            }
            catch (Exception ExtInfo)
            {
                Debug.WriteLine("Error creating the Hook");
                return;
            }
            RemoteHooking.WakeUpProcess();
        }

        private void buttonLoader_Click(object sender, EventArgs e)
        {
            axShockwaveFlash1.LoadMovie(0, "test.swf");
        }
    }    
}

编辑:我对 recv 毫无疑问，这是 apimonitor 告诉我的:

# TID Module API Return Error
5 2696 Flash10l.ocx recv ( 1992, 0x07080000, 65536, 0 ) 1

那么，有人可以帮助我吗？

Answer 1

问题已解决。造成麻烦的线路是

CreateRecvHook.ThreadACL.SetExclusiveACL(new Int32[] { 0 });

我改成了

CreateRecvHook.ThreadACL.SetInclusiveACL(new Int32[] { 0 });

现在一切正常。 谢谢大家:)