'This method executes a command in the remote operating system by
exploiting the vulnerability.
:param command: The command to handle ( ie. "ls", "whoami", etc ).
:return: The result of the command.'

@exec_debug
def execute(self, command):

    mutant = self.get_mutant()
    mutant = mutant.copy()
    mutant.set_token_value(self.shellcode_generator(command))
    try:
        response = self._uri_opener.send_mutant(mutant)
    except BaseFrameworkException as w3:
        msg = 'An    error    occurred    while    trying    to    exploit    the    eval()    vulnerability    (sending    command    %s).    Original    exception:    "%s".'
        om.out.debug((msg % (command, w3)))
        return 'Unexpected    error,    please    try    again.'
    else:
        return shell_handler.extract_result(response.get_body())
