host碰撞python3脚本实现
VSole2022-01-14 15:26:38
引言
host碰撞,懂的都懂。这里主要讲下脚本实现逻辑。
host碰撞逻辑
ip与host组合,进行尝试,修改请求头中的host。本脚本主要是多线程先进行DNS解析检测,排除外网域名,提高扫描准确度,再进行host碰撞扫描。
脚本实现逻辑
1、ip_file加载ip,host_file加载域名(一行一个)
2、实现函数:
domainCheckThreadMain
逻辑:首先会对host_file里的域名进行dns解析检测,如果能直接解析的,这种域名就不属于内网域名。
可以直接排除掉(这里有个困惑点,通过一些工具收集资产时,会发现解析地址为内网地址,所以会检测解析的地址是否为内网地址,如果是的话,那么依然进行碰撞检测),过滤后的域名结果会保存在self.new_host_save_file
3、实现函数:hostScanThreadMain
逻辑:对ip(会拼接http、https组合成url)、host进行组合,存入到队列中,方便多线程取数据,只保存状态码400以下后的(这里也可以直接修改成状态码为200的),因为感觉不够了解,不知道会不会有什么其他特殊的情况,所以这里没有去直接匹配200状态码。
4、最后的结果会保存为xlsx表,因为xlsx表方便去筛选。结果说明,目前发现比如nginx默认页面,可能host怎么改,状态码都是200,所以对于结果的筛选主要是通过响应包长度、title快速排查。
示例代码需要安装的库
pip install requestspip install openpyxlpip install dnspython
贴实现代码:
import osimport sysimport time import requestsimport threadingimport queueimport randomimport reimport dns.resolverimport openpyxl class HostScan(object): def __init__(self,ip_file,host_file,userAgent_file,thread_num,proxies=None,isDomainCheck=True): ''' :param ip_file: :param host_file: :param userAgent_file: :param thread_num: :param proxies: :param isDomainCheck: 是否先进行域名解析检测,如果在外网能解析的对象,则可以直接过滤 ''' self.ip_list = self.load_ip(ip_file) self.host_list = self.load_host(host_file) self.userAgent_list = self.load_userAgent(userAgent_file) self.domain_queue = queue.Queue(maxsize=0) self.thread_num = thread_num self.proxies = proxies self.dns_resolver = dns.resolver.Resolver() self.dns_resolver.nameservers = ["114.114.114.114", "8.8.8.8"] self.search_title_re = re.compile("([\s\S]*?)") self.floder_path = os.path.dirname(os.path.abspath(sys.argv[0])) self.result_save_file = os.path.join(self.floder_path,'hostScanResult.txt') self.result_list = [] self.result_xlsx_file = os.path.join(self.floder_path,'hostScanResult.xlsx') self.new_host_save_file = os.path.join(self.floder_path, 'new_host.txt') self.isDomainCheck = isDomainCheck def load_ip(self,file): data_set = set() with open(file, "r", encoding="utf-8") as f: for row in f: row = row.strip() if row: row = row.split()[0] data_set.add(row) return list(data_set) def load_host(self,file): data_set = set() with open(file, "r", encoding="utf-8") as f: for row in f: row = row.strip() if row: row = row.split()[0] data_set.add(row) return list(data_set) def check_inside_ip(self,ip): ''' 判断是否为内网ip :param ip: 要检测的ip :return: True 则为内网ip,False则为外网ip ''' inside_ip_segment = ["192.168.0.0/16", "172.16.0.0/12", "10.0.0.0/8"] for ip_segment in inside_ip_segment: if self.check_ip_by_network_segment(ip, ip_segment): return True if ip in ["127.0.0.1", "0.0.0.0"]: return True return False def check_ip_by_network_segment(self,ip, ip_segment): ''' 判断ip与ip_segment是否为同网段 判断思路,将ip的4个部分,每个部分都变成2进制形式,如果不满8位,则在后面补0 将ip网段同理分成2进制 然后比较前掩码个数,比如掩码为25,那么就比较前25位是否相同,如果相同,则说明同网段 :param ip: 172.16.1.1 :param ip_segment: 172.16.0.0/24 :return: 同网段,返回True,不同段网返回False ''' ip_list = ip.split(".") ip_two = "" for ip_num in ip_list: ip_2 = bin(int(ip_num)).replace("0b", "") ip_2 = "0" * (8 - len(ip_2)) + ip_2 ip_two += ip_2 ip_segment_net, ip_segment_ym = ip_segment.split("/") ip_segment_ym = int(ip_segment_ym) ip_segment_net_list = ip_segment_net.split(".") ip_segment_net_2 = "" for ip_num in ip_segment_net_list: ip_2 = bin(int(ip_num)).replace("0b", "") ip_2 = "0" * (8 - len(ip_2)) + ip_2 ip_segment_net_2 += ip_2 if ip_segment_net_2[:ip_segment_ym] == ip_two[:ip_segment_ym]: return True else: return False def load_userAgent(self,file): userAgent_set = set() with open(file, "r", encoding="utf-8") as f: for row in f: row = row.strip() if row: userAgent_set.add(row) return list(userAgent_set) def create_ip_host_queue(self,ip_list,host_list): ''' 生成ip与queue的组合 :return: ''' q = queue.Queue(maxsize=0) for ip in ip_list: for host in host_list: q.put(("http://"+ip,host),timeout=1) q.put(("https://" + ip, host), timeout=1) return q def result_save(self,msg): with open(self.result_save_file,"a+",encoding="utf-8") as f: f.write(msg+"") def checkDomainStatus(self,domain): ''' 检测域名是否可在外网解析,需要排除解析成内网域名的情况 可解析 返回True 不可解析返回False 解析的IP只要有一个IP是内网域名,就认为不可解析 返回False :param domain: :return: ''' try: result = self.dns_resolver.query(domain, "A") for i in result.response.answer: if i.rdtype == 1: for j in i.items: if self.check_inside_ip(j.to_text()): # 内网域名 return False return True except Exception as e: # print(e.__str__()) return False def hostScanRun(self): ''' 实际扫描函数 :return: ''' while not self.data_queue.empty(): try: url,host = self.data_queue.get(timeout=1) except Exception as e: return None headers = { "user-agent": random.choice(self.userAgent_list), "host": host, } try: resp = requests.get(url, headers=headers, proxies=self.proxies, verify=False, allow_redirects=False, timeout=5) except Exception as e: continue content_length = len(resp.content) result = self.search_title_re.search(resp.text) if result: title = result.groups()[0] else: title = "" msg = f'url:{url}\thost:{host}\tstatus_code:{resp.status_code}\tlength:{content_length}\ttitle:{title}' if resp.status_code < 400: print(msg) self.result_save(msg) self.result_list.append([url,host,resp.status_code,content_length,title]) def domainCheckRun(self): while not self.domain_queue.empty(): try: domain= self.domain_queue.get(timeout=1) except Exception as e: break if not self.checkDomainStatus(domain): # 不可解析的加入到检测列表中 self.host_list.append(domain) def domainCheckThreadMain(self): print(f"域名外网解析检测,检测前共有域名数:{len(self.host_list)}") for host in self.host_list: self.domain_queue.put(host,timeout=0.5) self.host_list = [] # 清空 td_list = [] td = threading.Thread(target=self.showProgress,args=("域名解析检测进度",self.domain_queue,self.domain_queue.qsize()) ) td_list.append(td) for i in range(self.thread_num): td = threading.Thread(target=self.domainCheckRun, ) td_list.append(td) for td in td_list: td.start() for td in td_list: td.join() print(f"域名外网解析检测结束,发现不可解析域名数:{len(self.host_list)}") def showProgress(self,title,queue_object,count_init,time_show=3): ''' 进度条展示 :return: ''' while not queue_object.empty(): print(f"\r{title}:{count_init-queue_object.qsize()}/{count_init}",end="") time.sleep(time_show) print("") def hostScanThreadMain(self): ''' 异步扫描,主函数 :return: ''' td_list = [] td = threading.Thread(target=self.showProgress, args=("ip、host检测进度", self.data_queue, self.data_queue.qsize())) td_list.append(td) for i in range(self.thread_num): td = threading.Thread(target=self.hostScanRun,) td_list.append(td) for td in td_list: td.start() for td in td_list: td.join() # 结果转xlsx self.result_list = sorted(self.result_list,key=lambda x:x[3],reverse=True) wb = openpyxl.Workbook() ws = wb.active ws.title = "host碰撞结果" ws.append(["url","host","status_code","content_length","title"]) for row in self.result_list: ws.append(row) wb.save(self.result_xlsx_file) def runMain(self): if self.isDomainCheck: # dns解析检测 self.domainCheckThreadMain() new_host_list = [ host+"" for host in self.host_list] with open(self.new_host_save_file,"w",encoding="utf-8") as f: f.writelines(new_host_list) self.data_queue = self.create_ip_host_queue(self.ip_list, self.host_list) self.hostScanThreadMain() if __name__ == '__main__': ip_file = "ip.txt" host_file = 'host.txt' userAgent_file = "userAgent.txt" thread_num = 10 proxies = { "http": "http://127.0.0.1:8080", "https": "http://127.0.0.1:8080", } h = HostScan(ip_file,host_file,userAgent_file,thread_num,proxies=None,isDomainCheck=True) h.runMain()

VSole
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