PUSH

al0ne · Jun 14, 2019 · 9f0bca3 · 9f0bca3
1 parent 5a40539
commit 9f0bca3
Show file tree

Hide file tree

Showing 19 changed files with 176 additions and 300 deletions.
diff --git a/README.md b/README.md
@@ -10,24 +10,21 @@ requests
 tqdm  
 pyfiglet  
 fake-useragent  
-beautifulsoup4  
-pycrypto  
-paramiko  
+beautifulsoup4      
 geoip2  
-tldextract  
-pymysql  
-pymssql  
+tldextract      
 python-nmap  
 geoip2  
 tldextract  
 lxml  
 pymongo  
-psycopg2  
 virustotal_python  
 apt install libpq-dev nmap  
 wget https://geolite.maxmind.com/download/geoip/database/GeoLite2-City.tar.gz  
 解压后将里面的GeoLite2-City.mmdb放到vxscan/db/GeoLite2-City.mmdb  
-pip3 install -r requirements.txt
+wget https://geolite.maxmind.com/download/geoip/database/GeoLite2-ASN.tar.gz  
+解压后将里面的GeoLite2-ASN.mmdb放到vxscan/db/GeoLite2-ASN.mmdb  
+pip3 install -r requirements.txt  
 
 Features
 --------

diff --git a/Vxscan.py b/Vxscan.py
@@ -26,7 +26,7 @@
 import logging
 from urllib import parse
 from lib.settings import *
-from lib.random_header import HEADERS
+from lib.random_header import get_ua
 from lib.common import start, bcolors
 from lib.save_html import save_html
 from lib.active import ActiveCheck
@@ -50,11 +50,11 @@ def read_file(file, word, ext):
 class Cartesian(object):
     def __init__(self):
         self._data_list = []
-
+    
     # 添加生成笛卡尔积的数据列表
     def add_data(self, data=[]):
         self._data_list.append(data)
-
+    
     # 计算笛卡尔积
     def build(self):
         urls = []
@@ -74,7 +74,7 @@ def __init__(self, word, ext):
         self.wordlist = word
         self.ext = ext
         self.waf = []
-
+    
     def get_urls(self, domain):
         if self.ext is None:
             self.ext = 'jsp,php,asp,html'
@@ -171,7 +171,7 @@ def get_urls(self, domain):
         path.extend(index.build())
         path.extend(wordlist)
         return set(path)
-
+    
     def check404(self, url, text):
         url = parse.urlparse(url)
         result = 0
@@ -185,7 +185,7 @@ def check404(self, url, text):
                     host,
                     timeout=TIMEOUT,
                     verify=False,
-                    headers=HEADERS,
+                    headers=get_ua(),
                     allow_redirects=False)
                 self.notstr = r.text[:10000]
                 self.notlen = len(r.text)
@@ -198,7 +198,7 @@ def check404(self, url, text):
             result = difflib.SequenceMatcher(None, self.notstr,
                                              text).quick_ratio()
         return result
-
+    
     def save(self, out):
         outjson = []
         with open('report/result.json', 'w') as f:
@@ -228,7 +228,7 @@ def save(self, out):
                         outjson.append(i)
             json.dump(outjson, f, ensure_ascii=False, indent=4)
             save_html(outjson, html_name)
-
+    
     def get_proto(self, ports):
         result = []
         try:
@@ -243,10 +243,11 @@ def get_proto(self, ports):
         except:
             pass
         return result
-
+    
     def scan(self, host):
         try:
             session = requests.Session()
+            HEADERS = get_ua()
             HEADERS.update(COOKIE)
             session.headers.update(HEADERS)
             r = session.get(
@@ -262,8 +263,8 @@ def scan(self, host):
             # 判断逻辑：1.排除无效状态吗 2.排除无效内容类型 3.判断302跳转
             # 4. 判断302跳转不能等于首页 5. 判断内容长度不等于404页面长度
             if (r.status_code not in BLOCK_CODE) and (
-                    r.headers['Content-Type'] not in BLOCK_CONTYPE) and (
-                    goto != self.goto) and (parse.urlparse(
+                r.headers['Content-Type'] not in BLOCK_CONTYPE) and (
+                goto != self.goto) and (parse.urlparse(
                 r.url).netloc not in parse.urlparse(goto).netloc) and (self.notlen != len(r.text)):
                 text = r.text[:10000]
                 title = re.search('(?<=<title>).*(?=</title>)', text)
@@ -296,18 +297,18 @@ def scan(self, host):
         except Exception as e:
             logging.exception(e)
         return 'OK'
-
+    
     def run(self, task):
         global THREADS
         print(bcolors.RED + '\nURLS：' + bcolors.ENDC)
         with concurrent.futures.ThreadPoolExecutor(
-                max_workers=THREADS) as executor:
+            max_workers=THREADS) as executor:
             futures = [executor.submit(self.scan, i) for i in task]
             for future in tqdm.tqdm(
-                    concurrent.futures.as_completed(futures),
-                    total=len(futures)):
+                concurrent.futures.as_completed(futures),
+                total=len(futures)):
                 future.result()
-
+    
     # 创建启动任务
     def pool(self, hosts):
         task = []

diff --git a/db/GeoLite2-ASN.mmdb b/db/GeoLite2-ASN.mmdb
diff --git a/lib/common.py b/lib/common.py
@@ -8,72 +8,22 @@
 import geoip2.database
 import socket
 import traceback
-import ipaddress
 import json
 import tldextract
 from virustotal_python import Virustotal
 from lib.osdetect import osdetect
 from urllib import parse
 from lib.wappalyzer import WebPage
-from lib.random_header import HEADERS
+from lib.random_header import get_ua
 from lib.scan_port import ScanPort
 from lib.vuln import Vuln
 from lib.jsparse import JsParse
 from lib.sql_injection import sql_check
-from lib.settings import TIMEOUT, virustotal_api
+from lib.iscdn import iscdn
+from lib.settings import TIMEOUT, virustotal_api, POC
 
 payload = " AND 1=1 UNION ALL SELECT 1,NULL,'<script>alert(XSS)</script>',table_name FROM information_schema.tables WHERE 2>1--/**/; EXEC xp_cmdshell('cat ../../../etc/passwd')"
 
-# 通过VT查询pdns，然后排除国内外常见的cdn段，如果出现极有可能是真实ip
-cdns = ['173.245.48.0/20', '103.21.244.0/22', '103.22.200.0/22', '103.31.4.0/22', '141.101.64.0/18',
-        '108.162.192.0/18',
-        '190.93.240.0/20', '188.114.96.0/20', '197.234.240.0/22', '198.41.128.0/17', '162.158.0.0/15',
-        '104.16.0.0/12',
-        '172.64.0.0/13', '131.0.72.0/22', '13.124.199.0/24', '144.220.0.0/16', '34.226.14.0/24', '52.124.128.0/17',
-        '54.230.0.0/16', '54.239.128.0/18', '52.82.128.0/19', '99.84.0.0/16', '52.15.127.128/26', '35.158.136.0/24',
-        '52.57.254.0/24', '18.216.170.128/25', '13.54.63.128/26', '13.59.250.0/26', '13.210.67.128/26',
-        '35.167.191.128/26', '52.47.139.0/24', '52.199.127.192/26', '52.212.248.0/26', '205.251.192.0/19',
-        '52.66.194.128/26', '54.239.192.0/19', '70.132.0.0/18', '13.32.0.0/15', '13.224.0.0/14', '13.113.203.0/24',
-        '34.195.252.0/24', '35.162.63.192/26', '34.223.12.224/27', '13.35.0.0/16', '204.246.172.0/23',
-        '204.246.164.0/22', '52.56.127.0/25', '204.246.168.0/22', '13.228.69.0/24', '34.216.51.0/25',
-        '71.152.0.0/17', '216.137.32.0/19', '205.251.249.0/24', '99.86.0.0/16', '52.46.0.0/18', '52.84.0.0/15',
-        '54.233.255.128/26', '130.176.0.0/16', '64.252.64.0/18', '52.52.191.128/26', '204.246.174.0/23',
-        '64.252.128.0/18', '205.251.254.0/24', '143.204.0.0/16', '205.251.252.0/23', '52.78.247.128/26',
-        '204.246.176.0/20', '52.220.191.0/26', '13.249.0.0/16', '54.240.128.0/18', '205.251.250.0/23',
-        '52.222.128.0/17', '54.182.0.0/16', '54.192.0.0/16', '34.232.163.208/29', '58.250.143.0/24',
-        '58.251.121.0/24', '59.36.120.0/24', '61.151.163.0/24', '101.227.163.0/24', '111.161.109.0/24',
-        '116.128.128.0/24', '123.151.76.0/24', '125.39.46.0/24', '140.207.120.0/24', '180.163.22.0/24',
-        '183.3.254.0/24', '223.166.151.0/24', '113.107.238.0/24', '106.42.25.0/24', '183.222.96.0/24',
-        '117.21.219.0/24', '116.55.250.0/24', '111.202.98.0/24', '111.13.147.0/24', '122.228.238.0/24',
-        '58.58.81.0/24', '1.31.128.0/24', '123.155.158.0/24', '106.119.182.0/24', '180.97.158.0/24',
-        '113.207.76.0/24', '117.23.61.0/24', '118.212.233.0/24', '111.47.226.0/24', '219.153.73.0/24',
-        '113.200.91.0/24', '1.32.240.0/24', '203.90.247.0/24', '183.110.242.0/24', '202.162.109.0/24',
-        '182.23.211.0/24', '1.32.242.0/24', '1.32.241.0/24', '202.162.108.0/24', '185.254.242.0/24',
-        '109.94.168.0/24', '109.94.169.0/24', '1.32.243.0/24', '61.120.154.0/24', '1.255.41.0/24',
-        '112.90.216.0/24', '61.213.176.0/24', '1.32.238.0/24', '1.32.239.0/24', '1.32.244.0/24', '111.32.135.0/24',
-        '111.32.136.0/24', '125.39.174.0/24', '125.39.239.0/24', '112.65.73.0/24', '112.65.74.0/24',
-        '112.65.75.0/24', '119.84.92.0/24', '119.84.93.0/24', '113.207.100.0/24', '113.207.101.0/24',
-        '113.207.102.0/24', '180.163.188.0/24', '180.163.189.0/24', '163.53.89.0/24', '101.227.206.0/24',
-        '101.227.207.0/24', '119.188.97.0/24', '119.188.9.0/24', '61.155.149.0/24', '61.156.149.0/24',
-        '61.155.165.0/24', '61.182.137.0/24', '61.182.136.0/24', '120.52.29.0/24', '120.52.113.0/24',
-        '222.216.190.0/24', '219.159.84.0/24', '183.60.235.0/24', '116.31.126.0/24', '116.31.127.0/24',
-        '117.34.13.0/24', '117.34.14.0/24', '42.236.93.0/24', '42.236.94.0/24', '119.167.246.0/24',
-        '150.138.149.0/24', '150.138.150.0/24', '150.138.151.0/24', '117.27.149.0/24', '59.51.81.0/24',
-        '220.170.185.0/24', '220.170.186.0/24', '183.61.236.0/24', '14.17.71.0/24', '119.147.134.0/24',
-        '124.95.168.0/24', '124.95.188.0/24', '61.54.46.0/24', '61.54.47.0/24', '101.71.55.0/24', '101.71.56.0/24',
-        '183.232.51.0/24', '183.232.53.0/24', '157.255.25.0/24', '157.255.26.0/24', '112.25.90.0/24',
-        '112.25.91.0/24', '58.211.2.0/24', '58.211.137.0/24', '122.190.2.0/24', '122.190.3.0/24', '183.61.177.0/24',
-        '183.61.190.0/24', '117.148.160.0/24', '117.148.161.0/24', '115.231.186.0/24', '115.231.187.0/24',
-        '113.31.27.0/24', '222.186.19.0/24', '122.226.182.0/24', '36.99.18.0/24', '123.133.84.0/24',
-        '221.204.202.0/24', '42.236.6.0/24', '61.130.28.0/24', '61.174.9.0/24', '223.94.66.0/24', '222.88.94.0/24',
-        '61.163.30.0/24', '223.94.95.0/24', '223.112.227.0/24', '183.250.179.0/24', '120.241.102.0/24',
-        '125.39.5.0/24', '124.193.166.0/24', '122.70.134.0/24', '111.6.191.0/24', '122.228.198.0/24',
-        '121.12.98.0/24', '60.12.166.0/24', '118.180.50.0/24', '183.203.7.0/24', '61.133.127.0/24',
-        '113.7.183.0/24', '210.22.63.0/24', '60.221.236.0/24', '122.227.237.0/24', '123.6.13.0/24',
-        '202.102.85.0/24', '61.160.224.0/24', '182.140.227.0/24', '221.204.14.0/24', '222.73.144.0/24',
-        '61.240.144.0/24', '36.27.212.0/24', '125.88.189.0/24', '120.52.18.0/24', '119.84.15.0/24',
-        '180.163.224.0/24']
-
 
 class bcolors:
     HEADER = '\033[95m'
@@ -118,23 +68,12 @@ def geoip(ip):
         return 'None'
 
 
-def iscdn(host):
-    if not re.search(r'\d+\.\d+\.\d+\.\d+', host):
-        socket.setdefaulttimeout(1)
-        host = socket.gethostbyname(host)
-    result = True
-    for cdn in cdns:
-        if (ipaddress.ip_address(host) in ipaddress.ip_network(cdn)):
-            result = False
-    return result
-
-
 def reverse_domain(host):
     # 查询旁站
     if iscdn(host):
         result = []
         data = {"remoteAddress": "{0}".format(host), "key": ""}
-        header = HEADERS
+        header = get_ua()
         header.update({'Referer': 'https://www.yougetsignal.com/tools/web-sites-on-web-server/'})
         header.update({'origin': 'https://www.yougetsignal.com'})
         try:
@@ -149,7 +88,7 @@ def reverse_domain(host):
                     elif re.search(r'\d+\.\d+\.\d+\.\d+', url):
                         result.append(url)
         except (TypeError, json.decoder.JSONDecodeError):
-            r = requests.get('http://api.hackertarget.com/reverseiplookup/?q={}'.format(host), headers=HEADERS,
+            r = requests.get('http://api.hackertarget.com/reverseiplookup/?q={}'.format(host), headers=get_ua(),
                              timeout=5)
             if '<html>' not in r.text:
                 text = r.text
@@ -168,7 +107,7 @@ def virustotal(host):
         return ['None']
     resp = vtotal.domain_report(host)
     history_ip = []
-
+    
     if resp.get('status_code') != 403:
         for i in resp.get('json_resp').get('resolutions'):
             address = i.get('ip_address')
@@ -199,7 +138,7 @@ def start(url):
         sys.stdout.write(bcolors.RED + "GeoIP：\n" + bcolors.ENDC)
         sys.stdout.write(bcolors.OKGREEN + '[+] Address: {}\n'.format(address) + bcolors.ENDC)
         sys.stdout.write(bcolors.OKGREEN + '[+] Ipaddr: {}\n'.format(ipaddr) + bcolors.ENDC)
-        r = requests.get(url, headers=HEADERS, timeout=TIMEOUT, verify=False)
+        r = requests.get(url, headers=get_ua(), timeout=TIMEOUT, verify=False)
     except Exception as e:
         pass
     sql = ''
@@ -209,7 +148,7 @@ def start(url):
             result = checkwaf(r.headers, r.text[:10000])
             if result == 'NoWAF':
                 r = requests.get(
-                    url + '/index.php?id=1 ' + payload, headers=HEADERS, timeout=TIMEOUT)
+                    url + '/index.php?id=1 ' + payload, headers=get_ua(), timeout=TIMEOUT)
                 result = checkwaf(r.headers, r.text[:10000])
         except Exception as e:
             webinfo = {}
@@ -234,12 +173,17 @@ def start(url):
     else:
         webinfo = {}
         jsparse = ''
-    open_port = ScanPort(url).pool()
-    if open_port:
-        sys.stdout.write(bcolors.RED + "PortScan：\n" + bcolors.ENDC)
-        for _ in open_port:
-            sys.stdout.write(bcolors.OKGREEN + '[+] {}\n'.format(_) + bcolors.ENDC)
-    vuln = Vuln(url, open_port, webinfo.get('apps')).run()
+    if iscdn(host):
+        open_port = ScanPort(url).pool()
+    else:
+        open_port = ['CDN:0']
+    sys.stdout.write(bcolors.RED + "PortScan：\n" + bcolors.ENDC)
+    for _ in open_port:
+        sys.stdout.write(bcolors.OKGREEN + '[+] {}\n'.format(_) + bcolors.ENDC)
+    if POC:
+        vuln = Vuln(url, open_port, webinfo.get('apps')).run()
+    else:
+        vuln = []
     if jsparse:
         jsparse = list(map(lambda x: 'Leaks: ' + x, jsparse))
         vuln.extend(jsparse)

diff --git a/lib/iscdn.py b/lib/iscdn.py
@@ -0,0 +1,80 @@
+# coding=utf-8
+import socket
+import ipaddress
+import re
+import geoip2.database
+
+# 通过VT查询pdns，然后排除国内外常见的cdn段，如果出现极有可能是真实ip
+cdns = ['173.245.48.0/20', '103.21.244.0/22', '103.22.200.0/22', '103.31.4.0/22', '141.101.64.0/18',
+        '108.162.192.0/18',
+        '190.93.240.0/20', '188.114.96.0/20', '197.234.240.0/22', '198.41.128.0/17', '162.158.0.0/15',
+        '104.16.0.0/12',
+        '172.64.0.0/13', '131.0.72.0/22', '13.124.199.0/24', '144.220.0.0/16', '34.226.14.0/24', '52.124.128.0/17',
+        '54.230.0.0/16', '54.239.128.0/18', '52.82.128.0/19', '99.84.0.0/16', '52.15.127.128/26', '35.158.136.0/24',
+        '52.57.254.0/24', '18.216.170.128/25', '13.54.63.128/26', '13.59.250.0/26', '13.210.67.128/26',
+        '35.167.191.128/26', '52.47.139.0/24', '52.199.127.192/26', '52.212.248.0/26', '205.251.192.0/19',
+        '52.66.194.128/26', '54.239.192.0/19', '70.132.0.0/18', '13.32.0.0/15', '13.224.0.0/14', '13.113.203.0/24',
+        '34.195.252.0/24', '35.162.63.192/26', '34.223.12.224/27', '13.35.0.0/16', '204.246.172.0/23',
+        '204.246.164.0/22', '52.56.127.0/25', '204.246.168.0/22', '13.228.69.0/24', '34.216.51.0/25',
+        '71.152.0.0/17', '216.137.32.0/19', '205.251.249.0/24', '99.86.0.0/16', '52.46.0.0/18', '52.84.0.0/15',
+        '54.233.255.128/26', '130.176.0.0/16', '64.252.64.0/18', '52.52.191.128/26', '204.246.174.0/23',
+        '64.252.128.0/18', '205.251.254.0/24', '143.204.0.0/16', '205.251.252.0/23', '52.78.247.128/26',
+        '204.246.176.0/20', '52.220.191.0/26', '13.249.0.0/16', '54.240.128.0/18', '205.251.250.0/23',
+        '52.222.128.0/17', '54.182.0.0/16', '54.192.0.0/16', '34.232.163.208/29', '58.250.143.0/24',
+        '58.251.121.0/24', '59.36.120.0/24', '61.151.163.0/24', '101.227.163.0/24', '111.161.109.0/24',
+        '116.128.128.0/24', '123.151.76.0/24', '125.39.46.0/24', '140.207.120.0/24', '180.163.22.0/24',
+        '183.3.254.0/24', '223.166.151.0/24', '113.107.238.0/24', '106.42.25.0/24', '183.222.96.0/24',
+        '117.21.219.0/24', '116.55.250.0/24', '111.202.98.0/24', '111.13.147.0/24', '122.228.238.0/24',
+        '58.58.81.0/24', '1.31.128.0/24', '123.155.158.0/24', '106.119.182.0/24', '180.97.158.0/24',
+        '113.207.76.0/24', '117.23.61.0/24', '118.212.233.0/24', '111.47.226.0/24', '219.153.73.0/24',
+        '113.200.91.0/24', '1.32.240.0/24', '203.90.247.0/24', '183.110.242.0/24', '202.162.109.0/24',
+        '182.23.211.0/24', '1.32.242.0/24', '1.32.241.0/24', '202.162.108.0/24', '185.254.242.0/24',
+        '109.94.168.0/24', '109.94.169.0/24', '1.32.243.0/24', '61.120.154.0/24', '1.255.41.0/24',
+        '112.90.216.0/24', '61.213.176.0/24', '1.32.238.0/24', '1.32.239.0/24', '1.32.244.0/24', '111.32.135.0/24',
+        '111.32.136.0/24', '125.39.174.0/24', '125.39.239.0/24', '112.65.73.0/24', '112.65.74.0/24',
+        '112.65.75.0/24', '119.84.92.0/24', '119.84.93.0/24', '113.207.100.0/24', '113.207.101.0/24',
+        '113.207.102.0/24', '180.163.188.0/24', '180.163.189.0/24', '163.53.89.0/24', '101.227.206.0/24',
+        '101.227.207.0/24', '119.188.97.0/24', '119.188.9.0/24', '61.155.149.0/24', '61.156.149.0/24',
+        '61.155.165.0/24', '61.182.137.0/24', '61.182.136.0/24', '120.52.29.0/24', '120.52.113.0/24',
+        '222.216.190.0/24', '219.159.84.0/24', '183.60.235.0/24', '116.31.126.0/24', '116.31.127.0/24',
+        '117.34.13.0/24', '117.34.14.0/24', '42.236.93.0/24', '42.236.94.0/24', '119.167.246.0/24',
+        '150.138.149.0/24', '150.138.150.0/24', '150.138.151.0/24', '117.27.149.0/24', '59.51.81.0/24',
+        '220.170.185.0/24', '220.170.186.0/24', '183.61.236.0/24', '14.17.71.0/24', '119.147.134.0/24',
+        '124.95.168.0/24', '124.95.188.0/24', '61.54.46.0/24', '61.54.47.0/24', '101.71.55.0/24', '101.71.56.0/24',
+        '183.232.51.0/24', '183.232.53.0/24', '157.255.25.0/24', '157.255.26.0/24', '112.25.90.0/24',
+        '112.25.91.0/24', '58.211.2.0/24', '58.211.137.0/24', '122.190.2.0/24', '122.190.3.0/24', '183.61.177.0/24',
+        '183.61.190.0/24', '117.148.160.0/24', '117.148.161.0/24', '115.231.186.0/24', '115.231.187.0/24',
+        '113.31.27.0/24', '222.186.19.0/24', '122.226.182.0/24', '36.99.18.0/24', '123.133.84.0/24',
+        '221.204.202.0/24', '42.236.6.0/24', '61.130.28.0/24', '61.174.9.0/24', '223.94.66.0/24', '222.88.94.0/24',
+        '61.163.30.0/24', '223.94.95.0/24', '223.112.227.0/24', '183.250.179.0/24', '120.241.102.0/24',
+        '125.39.5.0/24', '124.193.166.0/24', '122.70.134.0/24', '111.6.191.0/24', '122.228.198.0/24',
+        '121.12.98.0/24', '60.12.166.0/24', '118.180.50.0/24', '183.203.7.0/24', '61.133.127.0/24',
+        '113.7.183.0/24', '210.22.63.0/24', '60.221.236.0/24', '122.227.237.0/24', '123.6.13.0/24',
+        '202.102.85.0/24', '61.160.224.0/24', '182.140.227.0/24', '221.204.14.0/24', '222.73.144.0/24',
+        '61.240.144.0/24', '36.27.212.0/24', '125.88.189.0/24', '120.52.18.0/24', '119.84.15.0/24',
+        '180.163.224.0/24', '46.51.216.0/21']
+
+ASNS = ['55770', '49846', '49249', '48163', '45700', '43639', '39836', '393560', '393234', '36183', '35994', '35993',
+        '35204', '34850', '34164', '33905', '32787', '31377', '31110', '31109', '31108', '31107', '30675', '24319',
+        '23903', '23455', '23454', '22207', '21399', '21357', '21342', '20940', '20189', '18717', '18680', '17334',
+        '16702', '16625', '12222', '61107', '60922', '60626', '49689', '209101', '201585', '136764', '135429', '135295',
+        '133496', '395747', '394536', '209242', '203898', '202623', '14789', '133877', '13335', '132892']
+
+
+def iscdn(host):
+    if not re.search(r'\d+\.\d+\.\d+\.\d+', host):
+        socket.setdefaulttimeout(1)
+        host = socket.gethostbyname(host)
+    result = True
+    for cdn in cdns:
+        if (ipaddress.ip_address(host) in ipaddress.ip_network(cdn)):
+            result = False
+    try:
+        with geoip2.database.Reader('db/GeoLite2-ASN.mmdb') as reader:
+            response = reader.asn(host)
+            for i in ASNS:
+                if response.autonomous_system_number == int(i):
+                    result = False
+    except:
+        pass
+    return result