':yield: Tuples with file_content and file_name for web shells.'

def _get_web_shells(self, extension):

    for (shell_str, orig_extension) in shell_handler.get_webshells(extension):
        file_name = ('%s.%s' % (rand_alpha(8), orig_extension))
        (yield (shell_str, file_name))
        file_name = ('%s.%s' % (rand_alpha(8), extension))
        (yield (shell_str, file_name))
