host碰撞探测资产Ladon探测域名内网IP

namespace hostscan{    class Program    {        //hostscan for ladon        //http://k8gege.org        static void Main(string[] args)        {
            string ip = "";            //string host = "qq.com";//扫C段或批量时写目标对应域名            string host = ""; //不设主机头，默认获取IP对应WEB标题                  if (args.Length == 1)            {                ip = args[0];            }            else if (args.Length == 2)            {                ip = args[0];                host = args[1];            }            else            {                Console.WriteLine("hostscan ip");                Console.WriteLine("hostscan ip domain");                return;            }
            string url = "http://" + ip;            if (ip.Contains("http://") || ip.Contains("https://"))                url = ip;
            HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(url);
            req.Method = "GET";
            //req.ContentLength = data.Length;            //req.ContentType = "application/x-www-form-urlencoded";            req.ContentType = "application/octet-stream";
            if (host != "")                req.Host = host;            req.Accept = "image/gif, image/jpeg, image/pjpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-silverlight, application/vnd.ms-xpsdocument, application/x-ms-application, application/x-ms-xbap, application/xaml+xml, */*";            try            {                HttpWebResponse response = (HttpWebResponse)req.GetResponse();                Stream myResponseStream = response.GetResponseStream();                StreamReader myStreamReader = new StreamReader(myResponseStream, System.Text.Encoding.Default);                  string retString = myStreamReader.ReadToEnd();                myStreamReader.Close();                myResponseStream.Close();                Console.WriteLine(ip + " " + GetTitle(retString));
            }            catch (Exception ex)            {
                ;            }
        }

        private static string GetTitle(string html)        {
            String regex = @"<title>.+</title>";
            String title = Regex.Match(html, regex).ToString();            title = Regex.Replace(title, @"[""]+", "");            return title;
        }

    }}

C:Usersk8gege>hostscan 58.250.137.36 qq.com58.250.137.36 <title>腾讯首页</title>
C:Usersk8gege>Ladon40 58.250.137.36/24 hostscan.exeLadon 6.6Start: 2020-07-15 21:42:40Runtime: .net 4.0  OS Arch: x86OS Name: Microsoft Windows 7 旗舰版Call DiyMoudle (c# exe)58.250.137.36/24load hostscan.exe58.250.137.36/24 is Valid CIDRIPCound: 256Scan Start: 2020-07-15 21:42:4058.250.137.100 <title>鑵捐浜戞櫤鏈?涓€閿惌寤轰紒涓氳嚜宸辩殑瀹㈡湇骞冲彴</title>58.250.137.36 <title>腾讯首页</title>58.250.137.38 <title>腾讯首页</title>58.250.137.11658.250.137.12458.250.137.11558.250.137.107 <title>鎶㈡敞QQ绌洪棿涓撳睘鍩熷悕</title>58.250.137.112 <title>鐧诲綍</title>58.250.137.101 <title>腾讯首页</title>