using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;using System.Diagnostics;namespace WindowsFormsApplication1{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        [DllImport("kernel32.dll")] //声明API函数        public static extern int VirtualAllocEx(IntPtr hwnd, int lpaddress, int size, int type, int tect);        [DllImport("kernel32.dll")]        public static extern int WriteProcessMemory(IntPtr hwnd, int baseaddress, string buffer, int nsize, int filewriten);        [DllImport("kernel32.dll")]        public static extern int GetProcAddress(int hwnd, string lpname);        [DllImport("kernel32.dll")]        public static extern int GetModuleHandleA(string name);        [DllImport("kernel32.dll")]        public static extern int CreateRemoteThread(IntPtr hwnd, int attrib, int size, int address, int par, int flags, int threadid);        private void button1_Click(object sender, EventArgs e)        {            int ok1;            //int ok2;            //int hwnd;            int baseaddress;            int temp = 0;            int hack;            int yan;            string dllname;            dllname = "c:\\dll.dll";            int dlllength;            dlllength = dllname.Length + 1;            Process[] pname = Process.GetProcesses(); //取得所有进程            foreach (Process name in pname) //遍历进程            {                //MessageBox.Show(name.ProcessName.ToLower());                if (name.ProcessName.ToLower().IndexOf("notepad") != -1) //所示记事本，那么下面开始注入                {                    baseaddress = VirtualAllocEx(name.Handle, 0, dlllength, 4096, 4);   //申请内存空间                    if (baseaddress == 0) //返回0则操作失败，下面都是                    {                        MessageBox.Show("申请内存空间失败！！");                        Application.Exit();                    }                    ok1 = WriteProcessMemory(name.Handle, baseaddress, dllname, dlllength, temp); //写内存                    if (ok1 == 0)                    {                        MessageBox.Show("写内存失败！！");                        Application.Exit();                    }                    hack = GetProcAddress(GetModuleHandleA("Kernel32"), "LoadLibraryA"); //取得loadlibarary在kernek32.dll地址                    if (hack == 0)                    {                        MessageBox.Show("无法取得函数的入口点！！");                        Application.Exit();                    }                    yan = CreateRemoteThread(name.Handle, 0, 0, hack, baseaddress, 0, temp); //创建远程线程。                    if (yan == 0)                    {                        MessageBox.Show("创建远程线程失败！！");                        Application.Exit();                    }                    else                    {                        MessageBox.Show("已成功注入dll!!");                    }                }            }        }    }}