#!/usr/bin/env python
# coding: utf-8
# Sublist3r2 v1.0

# Builtin modules
import argparse
import hashlib
import json
import multiprocessing
import os
import random
import re
import socket
import sys
import threading
import time
import urllib.parse as urlparse
from collections import Counter

# External modules
import dns.resolver
import requests
from sublist3r2.aiodnsbrute.cli import aioDNSBrute

# Version info
__version__ = '1.0.1'

# Check if we are running this on windows platform
is_windows = sys.platform.startswith('win')

# Console Colors
if is_windows:
    # Windows deserves coloring too :D
    G = '\033[92m'  # green
    Y = '\033[93m'  # yellow
    B = '\033[94m'  # blue
    R = '\033[91m'  # red
    W = '\033[0m'   # white
    try:
        import colorama
        import win_unicode_console
        win_unicode_console.enable()
        colorama.init()
        # Now the unicode will work ^_^
    except Exception:
        print("[!] Error: Coloring libraries not installed, no coloring will be used [Check the readme]")
        G = Y = B = R = W = ''
else:
    G = '\033[92m'  # green
    Y = '\033[93m'  # yellow
    B = '\033[94m'  # blue
    R = '\033[91m'  # red
    W = '\033[0m'   # white


def no_color():
    global G, Y, B, R, W
    G = Y = B = R = W = ''


def banner():
    print("""%s
         ____        _     _ _     _   _____     ______
        / ___| _   _| |__ | (_)___| |_|___ / _ __\ __  |    Sublist3r2 v%s
        \___ \| | | | '_ \| | / __| __| |_ \| '__|  / /     a subdomains enum tool originally by @aboul3la
         ___) | |_| | |_) | | \__ \ |_ ___) | |    / /_     maintained by Ronin Nakomoto
        |____/ \__,_|_.__/|_|_|___/\__|____/|_|   /____|%s    https://github.com/RoninNakomoto/Sublist3r2

    """ % (R, __version__, Y))


def parser_error(errmsg):
    banner()
    print("Usage: python " + sys.argv[0] + " [Options] use -h for help")
    print(R + "Error: " + errmsg + W)
    sys.exit()


def parse_args():
    # parse the arguments
    parser = argparse.ArgumentParser(epilog='\tExample: \r\npython ' + sys.argv[0] + " -d google.com")
    parser.error = parser_error
    parser._optionals.title = "OPTIONS"
    parser.add_argument('-d', '--domain', help="Domain name to use for subdomain enumeration", required=True)
    parser.add_argument('-b', '--bruteforce', help='Turn-on aiodnsbrute bruteforce mode', nargs='?', default=False)
    parser.add_argument('-p', '--ports', help='Check/Filter subdomain results for open ports (provide comma separated ports')
    parser.add_argument('-v', '--verbose', help='Enable verbose mode and display results in realtime', nargs='?', default=False)
    parser.add_argument('-t', '--threads', help='Number of threads to use for aiodnsbrute bruteforce', type=int, default=7000)
    parser.add_argument('-e', '--engines', help='Specify a comma-separated list of search engines')
    parser.add_argument('-o', '--output', help='Save the results to text file')
    parser.add_argument('-n', '--no-color', help='Output without color', default=False, action='store_true')
    return parser.parse_args()


def write_file(filename, subdomains):
    # saving subdomains results to output file
    print("%s[-] Saving results to file: %s%s%s%s" % (Y, W, R, filename, W))
    with open(str(filename), 'wt') as f:
        for subdomain in subdomains:
            f.write(subdomain + os.linesep)


def subdomain_sorting_key(hostname):
    """Sorting key for subdomains

    This sorting key orders subdomains from the top-level domain at the right
    reading left, then moving '^' and 'www' to the top of their group. For
    example, the following list is sorted correctly:

    [
        'example.com',
        'www.example.com',
        'a.example.com',
        'www.a.example.com',
        'b.a.example.com',
        'b.example.com',
        'example.net',
        'www.example.net',
        'a.example.net',
    ]

    """
    parts = hostname.split('.')[::-1]
    if parts[-1] == 'www':
        return parts[:-1], 1
    return parts, 0


class enumratorBase(object):
    def __init__(self, base_url, engine_name, domain, subdomains=None, silent=False, verbose=True):
        subdomains = subdomains or []
        self.domain = urlparse.urlparse(domain).netloc
        self.session = requests.Session()
        self.subdomains = []
        self.timeout = 25
        self.base_url = base_url
        self.engine_name = engine_name
        self.silent = silent
        self.verbose = verbose
        self.headers = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36',
            'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
            'Accept-Language': 'en-US,en;q=0.8',
            'Accept-Encoding': 'gzip',
        }
        self.print_banner()

    def print_(self, text):
        if not self.silent:
            print(text)
        return

    def print_banner(self):
        """ subclass can override this if they want a fancy banner :)"""
        self.print_(G + "[-] Searching now in %s.." % (self.engine_name) + W)
        return

    def send_req(self, query, page_no=1):

        url = self.base_url.format(query=query, page_no=page_no)
        try:
            resp = self.session.get(url, headers=self.headers, timeout=self.timeout)
        except Exception:
            resp = None
        return self.get_response(resp)

    def get_response(self, response):
        if response is None:
            return 0
        return response.text if hasattr(response, "text") else response.content

    def check_max_subdomains(self, count):
        if self.MAX_DOMAINS == 0:
            return False
        return count >= self.MAX_DOMAINS

    def check_max_pages(self, num):
        if self.MAX_PAGES == 0:
            return False
        return num >= self.MAX_PAGES

    # override
    def extract_domains(self, resp):
        """ chlid class should override this function """
        return

    # override
    def check_response_errors(self, resp):
        """ chlid class should override this function
        The function should return True if there are no errors and False otherwise
        """
        return True

    def should_sleep(self):
        """Some enumrators require sleeping to avoid bot detections like Google enumerator"""
        return

    def generate_query(self):
        """ chlid class should override this function """
        return

    def get_page(self, num):
        """ chlid class that user different pagnation counter should override this function """
        return num + 10

    def enumerate(self, altquery=False):
        flag = True
        page_no = 0
        prev_links = []
        retries = 0

        while flag:
            query = self.generate_query()
            count = query.count(self.domain)  # finding the number of subdomains found so far

            # if they we reached the maximum number of subdomains in search query
            # then we should go over the pages
            if self.check_max_subdomains(count):
                page_no = self.get_page(page_no)

            if self.check_max_pages(page_no):  # maximum pages for Google to avoid getting blocked
                return self.subdomains
            resp = self.send_req(query, page_no)

            # check if there is any error occured
            if not self.check_response_errors(resp):
                return self.subdomains
            links = self.extract_domains(resp)

            # if the previous page hyperlinks was the similar to the current one, then maybe we have reached the last page
            if links == prev_links:
                retries += 1
                page_no = self.get_page(page_no)

        # make another retry maybe it isn't the last page
                if retries >= 3:
                    return self.subdomains

            prev_links = links
            self.should_sleep()

        return self.subdomains


class enumratorBaseThreaded(multiprocessing.Process, enumratorBase):
    def __init__(self, base_url, engine_name, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        enumratorBase.__init__(
            self, base_url, engine_name, domain, subdomains,
            silent=silent, verbose=verbose
        )
        multiprocessing.Process.__init__(self)
        self.q = q
        return

    def run(self):
        domain_list = self.enumerate()
        for domain in domain_list:
            self.q.append(domain)


class GoogleEnum(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = "https://google.com/search?q={query}&btnG=Search&hl=en-US&biw=&bih=&gbv=1&start={page_no}&filter=0"
        self.engine_name = "Google"
        self.MAX_DOMAINS = 11
        self.MAX_PAGES = 200
        super(GoogleEnum, self).__init__(
            base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        self.q = q
        return

    def extract_domains(self, resp):
        links_list = list()
        link_regx = re.compile(r'<cite.*?>(.*?)<\/cite>')
        try:
            links_list = link_regx.findall(resp)
            for link in links_list:
                link = re.sub('<span.*>', '', link)
                if not link.startswith('http'):
                    link = "http://" + link
                subdomain = urlparse.urlparse(link).netloc
                if subdomain and subdomain not in self.subdomains and subdomain != self.domain:
                    if self.verbose:
                        self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                    self.subdomains.append(subdomain.strip())
        except Exception:
            pass
        return links_list

    def check_response_errors(self, resp):
        if (type(resp) is str) and 'Our systems have detected unusual traffic' in resp:
            self.print_(R + "[!] Error: Google probably now is blocking our requests" + W)
            self.print_(R + "[~] Finished now the Google Enumeration ..." + W)
            return False
        return True

    def should_sleep(self):
        time.sleep(5)
        return

    def generate_query(self):
        if self.subdomains:
            fmt = 'site:{domain} -www.{domain} -{found}'
            found = ' -'.join(self.subdomains[:self.MAX_DOMAINS - 2])
            query = fmt.format(domain=self.domain, found=found)
        else:
            query = "site:{domain} -www.{domain}".format(domain=self.domain)
        return query


class YahooEnum(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = "https://search.yahoo.com/search?p={query}&b={page_no}"
        self.engine_name = "Yahoo"
        self.MAX_DOMAINS = 10
        self.MAX_PAGES = 0
        super(YahooEnum, self).__init__(
            base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        self.q = q
        return

    def extract_domains(self, resp):
        link_regx2 = re.compile(r'<span class=" fz-.*? fw-m fc-12th wr-bw.*?">(.*?)</span>')
        link_regx = re.compile(r'<span class="txt"><span class=" cite fw-xl fz-15px">(.*?)</span>')
        links_list = []
        try:
            links = link_regx.findall(resp)
            links2 = link_regx2.findall(resp)
            links_list = links + links2
            for link in links_list:
                link = re.sub(r'<(\/)?b>', '', link)
                if not link.startswith('http'):
                    link = "http://" + link
                subdomain = urlparse.urlparse(link).netloc
                if not subdomain.endswith(self.domain):
                    continue
                if subdomain and subdomain not in self.subdomains and subdomain != self.domain:
                    if self.verbose:
                        self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                    self.subdomains.append(subdomain.strip())
        except Exception:
            pass

        return links_list

    def should_sleep(self):
        return

    def get_page(self, num):
        return num + 10

    def generate_query(self):
        if self.subdomains:
            fmt = 'site:{domain} -domain:www.{domain} -domain:{found}'
            found = ' -domain:'.join(self.subdomains[:77])
            query = fmt.format(domain=self.domain, found=found)
        else:
            query = "site:{domain}".format(domain=self.domain)
        return query


class AskEnum(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = 'http://www.ask.com/web?q={query}&page={page_no}&qid=8D6EE6BF52E0C04527E51F64F22C4534&o=0&l=dir&qsrc=998&qo=pagination'
        self.engine_name = "Ask"
        self.MAX_DOMAINS = 11
        self.MAX_PAGES = 0
        enumratorBaseThreaded.__init__(
            self, base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        self.q = q
        return

    def extract_domains(self, resp):
        links_list = list()
        link_regx = re.compile(r'<p class="web-result-url">(.*?)</p>')
        try:
            links_list = link_regx.findall(resp)
            for link in links_list:
                if not link.startswith('http'):
                    link = "http://" + link
                subdomain = urlparse.urlparse(link).netloc
                if subdomain not in self.subdomains and subdomain != self.domain:
                    if self.verbose:
                        self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                    self.subdomains.append(subdomain.strip())
        except Exception:
            pass

        return links_list

    def get_page(self, num):
        return num + 1

    def generate_query(self):
        if self.subdomains:
            fmt = 'site:{domain} -www.{domain} -{found}'
            found = ' -'.join(self.subdomains[:self.MAX_DOMAINS])
            query = fmt.format(domain=self.domain, found=found)
        else:
            query = "site:{domain} -www.{domain}".format(domain=self.domain)

        return query


class BingEnum(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = 'https://www.bing.com/search?q={query}&go=Submit&first={page_no}'
        self.engine_name = "Bing"
        self.MAX_DOMAINS = 30
        self.MAX_PAGES = 0
        enumratorBaseThreaded.__init__(
            self, base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent
        )
        self.q = q
        self.verbose = verbose
        return

    def extract_domains(self, resp):
        links_list = list()
        link_regx = re.compile(r'<li class="b_algo"><h2><a href="(.*?)"')
        link_regx2 = re.compile(r'<div class="b_title"><h2><a href="(.*?)"')
        try:
            links = link_regx.findall(resp)
            links2 = link_regx2.findall(resp)
            links_list = links + links2

            for link in links_list:
                link = re.sub(r'<(\/)?strong>|<span.*?>|<|>', '', link)
                if not link.startswith('http'):
                    link = "http://" + link
                subdomain = urlparse.urlparse(link).netloc
                if subdomain not in self.subdomains and subdomain != self.domain:
                    if self.verbose:
                        self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                    self.subdomains.append(subdomain.strip())
        except Exception:
            pass

        return links_list

    def generate_query(self):
        if self.subdomains:
            fmt = 'domain:{domain} -www.{domain} -{found}'
            found = ' -'.join(self.subdomains[:self.MAX_DOMAINS])
            query = fmt.format(domain=self.domain, found=found)
        else:
            query = "domain:{domain} -www.{domain}".format(domain=self.domain)
        return query


class BaiduEnum(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = 'https://www.baidu.com/s?pn={page_no}&wd={query}&oq={query}'
        self.engine_name = "Baidu"
        self.MAX_DOMAINS = 2
        self.MAX_PAGES = 760
        enumratorBaseThreaded.__init__(
            self, base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        self.querydomain = self.domain
        self.q = q
        return

    def extract_domains(self, resp):
        links = list()
        found_newdomain = False
        subdomain_list = []
        link_regx = re.compile(r'<a.*?class="c-showurl".*?>(.*?)</a>')
        try:
            links = link_regx.findall(resp)
            for link in links:
                link = re.sub(r'<.*?>|>|<|&nbsp;', '', link)
                if not link.startswith('http'):
                    link = "http://" + link
                subdomain = urlparse.urlparse(link).netloc
                if subdomain.endswith(self.domain):
                    subdomain_list.append(subdomain)
                    if subdomain not in self.subdomains and subdomain != self.domain:
                        found_newdomain = True
                        if self.verbose:
                            self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                        self.subdomains.append(subdomain.strip())
        except Exception:
            pass
        if not found_newdomain and subdomain_list:
            self.querydomain = self.findsubs(subdomain_list)
        return links

    def findsubs(self, subdomains):
        count = Counter(subdomains)
        subdomain1 = max(count, key=count.get)
        count.pop(subdomain1, "None")
        subdomain2 = max(count, key=count.get) if count else ''
        return (subdomain1, subdomain2)

    def check_response_errors(self, resp):
        return True

    def should_sleep(self):
        time.sleep(random.randint(2, 5))
        return

    def generate_query(self):
        if self.subdomains and self.querydomain != self.domain:
            found = ' -site:'.join(self.querydomain)
            query = "site:{domain} -site:www.{domain} -site:{found} ".format(domain=self.domain, found=found)
        else:
            query = "site:{domain} -site:www.{domain}".format(domain=self.domain)
        return query


class NetcraftEnum(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        self.base_url = 'https://searchdns.netcraft.com/?restriction=site+ends+with&host={domain}'
        self.engine_name = "Netcraft"
        super(NetcraftEnum, self).__init__(
            self.base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        self.q = q
        return

    def req(self, url, cookies=None):
        cookies = cookies or {}
        try:
            resp = self.session.get(url, headers=self.headers, timeout=self.timeout, cookies=cookies)
        except Exception as e:
            self.print_(e)
            resp = None
        return resp

    def should_sleep(self):
        time.sleep(random.randint(1, 2))
        return

    def get_next(self, resp):
        link_regx = re.compile(r'<a.*?href="(.*?)">Next Page')
        link = link_regx.findall(resp)
        url = 'http://searchdns.netcraft.com' + link[0]
        return url

    def create_cookies(self, cookie):
        cookies = dict()
        cookies_list = cookie[0:cookie.find(';')].split("=")
        cookies[cookies_list[0]] = cookies_list[1]
        # hashlib.sha1 requires utf-8 encoded str
        cookies['netcraft_js_verification_response'] = hashlib.sha1(
            urlparse.unquote(cookies_list[1]).encode('utf-8')
        ).hexdigest()
        return cookies

    def get_cookies(self, headers):
        if 'set-cookie' in headers:
            cookies = self.create_cookies(headers['set-cookie'])
        else:
            cookies = {}
        return cookies

    def enumerate(self):
        start_url = self.base_url.format(domain='example.com')
        resp = self.req(start_url)
        cookies = self.get_cookies(resp.headers)
        url = self.base_url.format(domain=self.domain)
        while True:
            resp = self.get_response(self.req(url, cookies))
            self.extract_domains(resp)
            if 'Next Page' not in resp:
                return self.subdomains
                break
            url = self.get_next(resp)
            self.should_sleep()

    def extract_domains(self, resp):
        links_list = list()
        link_regx = re.compile(r'<a class="results-table__host" href="(.*?)"')
        try:
            links_list = link_regx.findall(resp)
            for link in links_list:
                subdomain = urlparse.urlparse(link).netloc
                if not subdomain.endswith(self.domain):
                    continue
                if subdomain and subdomain not in self.subdomains and subdomain != self.domain:
                    if self.verbose:
                        self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                    self.subdomains.append(subdomain.strip())
        except Exception:
            pass
        return links_list


class DNSdumpster(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = 'https://dnsdumpster.com/'
        self.live_subdomains = []
        self.engine_name = "DNSdumpster"
        self.q = q
        self.lock = None
        super(DNSdumpster, self).__init__(
            base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        return

    def check_host(self, host):
        is_valid = False
        Resolver = dns.resolver.Resolver()
        Resolver.nameservers = ['8.8.8.8', '8.8.4.4']
        self.lock.acquire()
        try:
            ip = Resolver.resolve(host, 'A')[0].to_text()
            if ip:
                if self.verbose:
                    self.print_("%s%s: %s%s" % (R, self.engine_name, W, host))
                is_valid = True
                self.live_subdomains.append(host)
        except Exception:
            pass
        self.lock.release()
        return is_valid

    def req(self, req_method, url, params=None):
        params = params or {}
        headers = dict(self.headers)
        headers['Referer'] = 'https://dnsdumpster.com'
        try:
            if req_method == 'GET':
                resp = self.session.get(url, headers=headers, timeout=self.timeout)
            else:
                resp = self.session.post(url, data=params, headers=headers, timeout=self.timeout)
        except Exception as e:
            self.print_(e)
            resp = None
        return self.get_response(resp)

    def get_csrftoken(self, resp):
        csrf_regex = re.compile(r'<input type="hidden" name="csrfmiddlewaretoken" value="(.*?)">', re.S)
        token = csrf_regex.findall(resp)[0]
        return token.strip()

    def enumerate(self):
        self.lock = threading.BoundedSemaphore(value=70)
        resp = self.req('GET', self.base_url)
        token = self.get_csrftoken(resp)
        params = {'csrfmiddlewaretoken': token, 'targetip': self.domain}
        post_resp = self.req('POST', self.base_url, params)
        self.extract_domains(post_resp)
        for subdomain in self.subdomains:
            t = threading.Thread(target=self.check_host, args=(subdomain,))
            t.start()
            t.join()
        return self.live_subdomains

    def extract_domains(self, resp):
        tbl_regex = re.compile(r'<a name="hostanchor"><\/a>Host Records.*?<table.*?>(.*?)</table>', re.S)
        link_regex = re.compile(r'<td class="col-md-4">(.*?)<br>', re.S)
        links = []
        try:
            results_tbl = tbl_regex.findall(resp)[0]
        except IndexError:
            results_tbl = ''
        links_list = link_regex.findall(results_tbl)
        links = list(set(links_list))
        for link in links:
            subdomain = link.strip()
            if not subdomain.endswith(self.domain):
                continue
            if subdomain and subdomain not in self.subdomains and subdomain != self.domain:
                self.subdomains.append(subdomain.strip())
        return links


class Virustotal(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = 'https://www.virustotal.com/api/v3/domains/{domain}/subdomains'
        self.engine_name = "Virustotal"
        if os.getenv("VT_APIKEY") is None:
            VT_APIKEY = input(B + "[+] Enter VirusTotal API key, press Enter for none: " + W)
            VT_APIKEY = VT_APIKEY.strip()
            if VT_APIKEY != "":
                os.environ["VT_APIKEY"] = (VT_APIKEY)
        else:
            VT_APIKEY = os.getenv("VT_APIKEY")
        os.environ["VT_APIKEY"] = (VT_APIKEY)
        self.apikey = os.getenv('VT_APIKEY', None)
        self.q = q
        super(Virustotal, self).__init__(
            base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        self.url = self.base_url.format(domain=self.domain)
        return

    # the main send_req need to be rewritten
    def send_req(self, url):
        try:
            self.headers.update({'X-ApiKey': self.apikey})
            resp = self.session.get(url, headers=self.headers, timeout=self.timeout)
        except Exception as e:
            self.print_(e)
            resp = None
        return self.get_response(resp)

    # once the send_req is rewritten we don't need to call this function, the stock one should be ok
    def enumerate(self):
        if self.apikey:
            while self.url != '':
                resp = self.send_req(self.url)
                resp = json.loads(resp)
                if 'error' in resp:
                    self.print_(R + "Error Code: {}".format(resp['error']["code"]) + W)
                    self.print_(R + "Virus Total Server Message: {}".format(resp['error']["message"]) + W)
                    break
                if 'links' in resp and 'next' in resp['links']:
                    self.url = resp['links']['next']
                else:
                    self.url = ''
                self.extract_domains(resp)
        else:
            self.print_(R + "[!] Error: VirusTotal API key environment variable not found. Skipping" + W)
            self.print_(R + "[!] set VT_APIKEY to your virus total API key using: `export VT_APIKEY=Your_VT_API_KEY_VALUE`" + W)
            self.print_(B + "[!] To get a VT APIKEY, register at https://www.virustotal.com/gui/join-us" + W)
        return self.subdomains

    def extract_domains(self, resp):
        #resp is already parsed as json
        try:
            for i in resp['data']:
                if i['type'] == 'domain':
                    subdomain = i['id']
                    if not subdomain.endswith(self.domain):
                        continue
                    if subdomain not in self.subdomains and subdomain != self.domain:
                        if self.verbose:
                            self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                        self.subdomains.append(subdomain.strip())
        except Exception:
            pass


class ThreatCrowd(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = 'https://www.threatcrowd.org/searchApi/v2/domain/report/?domain={domain}'
        self.engine_name = "ThreatCrowd"
        self.q = q
        super(ThreatCrowd, self).__init__(
            base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        return

    def req(self, url):
        try:
            resp = self.session.get(url, headers=self.headers, timeout=self.timeout)
        except Exception:
            resp = None

        return self.get_response(resp)

    def enumerate(self):
        url = self.base_url.format(domain=self.domain)
        resp = self.req(url)
        self.extract_domains(resp)
        return self.subdomains

    def extract_domains(self, resp):
        try:
            links = json.loads(resp)['subdomains']
            for link in links:
                subdomain = link.strip()
                if not subdomain.endswith(self.domain):
                    continue
                if subdomain not in self.subdomains and subdomain != self.domain:
                    if self.verbose:
                        self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                    self.subdomains.append(subdomain.strip())
        except Exception as e:
            pass


class CrtSearch(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = 'https://crt.sh/?q=%25.{domain}'
        self.engine_name = "SSL Certificates"
        self.q = q
        super(CrtSearch, self).__init__(
            base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        return

    def req(self, url):
        try:
            resp = self.session.get(url, headers=self.headers, timeout=self.timeout)
        except Exception:
            resp = None

        return self.get_response(resp)

    def enumerate(self):
        url = self.base_url.format(domain=self.domain)
        resp = self.req(url)
        if resp:
            self.extract_domains(resp)
        return self.subdomains

    def extract_domains(self, resp):
        link_regx = re.compile(r'<TD>(.*?)</TD>')
        try:
            links = link_regx.findall(resp)
            for link in links:
                link = link.strip()
                subdomains = []
                if '<BR>' in link:
                    subdomains = link.split('<BR>')
                else:
                    subdomains.append(link)

                for subdomain in subdomains:
                    if not subdomain.endswith(self.domain) or '*' in subdomain:
                        continue

                    if '@' in subdomain:
                        subdomain = subdomain[subdomain.find('@') + 1:]

                    if subdomain not in self.subdomains and subdomain != self.domain:
                        if self.verbose:
                            self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                        self.subdomains.append(subdomain.strip())
        except Exception as e:
            print(e)
            pass


class PassiveDNS(enumratorBaseThreaded):
    def __init__(self, domain, subdomains=None, q=None, silent=False, verbose=True):
        subdomains = subdomains or []
        base_url = 'https://api.sublist3r.com/search.php?domain={domain}'
        self.engine_name = "PassiveDNS"
        self.q = q
        super(PassiveDNS, self).__init__(
            base_url, self.engine_name, domain, subdomains,
            q=q, silent=silent, verbose=verbose
        )
        return

    def req(self, url):
        try:
            resp = self.session.get(url, headers=self.headers, timeout=self.timeout)
        except Exception as e:
            resp = None

        return self.get_response(resp)

    def enumerate(self):
        url = self.base_url.format(domain=self.domain)
        resp = self.req(url)
        if not resp:
            return self.subdomains

        self.extract_domains(resp)
        return self.subdomains

    def extract_domains(self, resp):
        try:
            subdomains = json.loads(resp)
            for subdomain in subdomains:
                if subdomain not in self.subdomains and subdomain != self.domain:
                    if self.verbose:
                        self.print_("%s%s: %s%s" % (R, self.engine_name, W, subdomain))
                    self.subdomains.append(subdomain.strip())
        except Exception as e:
            pass


class portscan():
    def __init__(self, subdomains, ports):
        self.subdomains = subdomains
        self.ports = ports
        self.lock = None

    def port_scan(self, host, ports):
        openports = []
        self.lock.acquire()
        for port in ports:
            try:
                s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                s.settimeout(2)
                result = s.connect_ex((host, int(port)))
                if result == 0:
                    openports.append(port)
                s.close()
            except Exception:
                pass
        self.lock.release()
        if len(openports) > 0:
            print("%s%s%s - %sFound open ports:%s %s%s%s" % (G, host, W, R, W, Y, ', '.join(openports), W))

    def run(self):
        self.lock = threading.BoundedSemaphore(value=20)
        for subdomain in self.subdomains:
            t = threading.Thread(target=self.port_scan, args=(subdomain, self.ports))
            t.start()


def main(domain, threads, savefile, ports, silent, verbose, enable_bruteforce, engines):
    bruteforce_list = set()
    search_list = set()

    if is_windows:
        subdomains_queue = list()
    else:
        subdomains_queue = multiprocessing.Manager().list()

    # Check Bruteforce Status
    if enable_bruteforce or enable_bruteforce is None:
        enable_bruteforce = True

    # Validate domain
    domain_check = re.compile(r'^(http|https)?[a-zA-Z0-9]+([\-\.]{1}[a-zA-Z0-9]+)*\.[a-zA-Z]{2,}$')
    if not domain_check.match(domain):
        if not silent:
            print(R + "Error: Please enter a valid domain" + W)
        return []

    if not domain.startswith('http://') or not domain.startswith('https://'):
        domain = 'http://' + domain

    parsed_domain = urlparse.urlparse(domain)

    if not silent:
        print(B + "[-] Enumerating subdomains now for %s" % parsed_domain.netloc + W)

    if verbose and not silent:
        print(Y + "[-] verbosity is enabled, will show the subdomains results in realtime" + W)

    supported_engines = {
        'baidu': BaiduEnum,
        'yahoo': YahooEnum,
        'google': GoogleEnum,
        'bing': BingEnum,
        'ask': AskEnum,
        'netcraft': NetcraftEnum,
        'dnsdumpster': DNSdumpster,
        'virustotal': Virustotal,
        'threatcrowd': ThreatCrowd,
        'ssl': CrtSearch,
        'passivedns': PassiveDNS
    }

    chosenEnums = []

    if engines is None:
        chosenEnums = [
            BaiduEnum, YahooEnum, GoogleEnum, BingEnum, AskEnum,
            NetcraftEnum, DNSdumpster, Virustotal, ThreatCrowd,
            CrtSearch, PassiveDNS
        ]
    else:
        engines = engines.split(',')
        for engine in engines:
            if engine.lower() in supported_engines:
                chosenEnums.append(supported_engines[engine.lower()])

    # Start the engines enumeration
    enums = [enum(domain, [], q=subdomains_queue, silent=silent, verbose=verbose) for enum in chosenEnums]
    for enum in enums:
        enum.start()
    for enum in enums:
        enum.join()

    subdomains = set(subdomains_queue)
    for subdomain in subdomains:
        search_list.add(subdomain)

    if enable_bruteforce:
        if not silent:
            print(G + "[-] Starting bruteforce module now using aiodnsbrute.." + W)
        path_to_file = os.path.dirname(os.path.realpath(__file__))
        subs = os.path.join(path_to_file, 'aiodnsbrute', 'subdomains-top1million-110000.txt')
        resolvers = os.path.join(path_to_file, 'aiodnsbrute', 'resolvers.txt')
        wildcard = True
        verify = True
        query = True
        thread_count = threads
        bruteforce_list = aioDNSBrute.bruteforce_domain(
            parsed_domain.netloc, resolvers, subs, wildcard, verify, thread_count, query
        )
    subdomains = search_list.union(bruteforce_list)

    if subdomains:
        subdomains = sorted(subdomains, key=subdomain_sorting_key)

        if savefile:
            write_file(savefile, subdomains)

        if not silent:
            print(Y + "[-] Total Unique Subdomains Found: %s" % len(subdomains) + W)

        if ports:
            if not silent:
                print(G + "[-] Start port scan now for the following ports: %s%s" % (Y, ports) + W)
            ports = ports.split(',')
            pscan = portscan(subdomains, ports)
            pscan.run()

        elif not silent:
            for subdomain in subdomains:
                print(G + subdomain + W)
    return subdomains


def interactive():
    args = parse_args()
    domain = args.domain
    threads = args.threads
    savefile = args.output
    ports = args.ports
    enable_bruteforce = args.bruteforce
    verbose = args.verbose
    engines = args.engines
    if verbose or verbose is None:
        verbose = True
    if args.no_color:
        no_color()
    banner()
    main(
        domain, threads, savefile, ports,
        silent=False, verbose=verbose, enable_bruteforce=enable_bruteforce, engines=engines
    )


if __name__ == "__main__":
    interactive()