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Program.cs
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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Globalization;
using System.Linq;
using System.Net;
using System.ServiceModel.Syndication;
using System.Text.RegularExpressions;
using System.Xml;
namespace ThreatCrawler
{
internal class Program
{
private static readonly string CertAlertUri = ConfigurationManager.AppSettings["CERT Alerts URI"];
private static readonly string SymantecAlertUri = ConfigurationManager.AppSettings["Symantec URI"];
private static readonly string TrendAlertUri = ConfigurationManager.AppSettings["Trend URI"];
private static readonly string ZeroDayUri = ConfigurationManager.AppSettings["0day.today URI"];
private static readonly string BugTraqUri = ConfigurationManager.AppSettings["BugTraq URI"];
private static readonly string FullDisclosureUri = ConfigurationManager.AppSettings["Full Disclosure URI"];
private static readonly string NvdUri = ConfigurationManager.AppSettings["NVD URI"];
private static readonly string PacketStormUri = ConfigurationManager.AppSettings["Packet Storm URI"];
private static readonly string ZdiUri = ConfigurationManager.AppSettings["ZDI URI"];
private static readonly string ExploitDbCSV = ConfigurationManager.AppSettings["Exploit DB CSV"];
private static readonly int BulletinDaysToCheck = Convert.ToInt32(ConfigurationManager.AppSettings["Bulletin Days to Check"]);
private static readonly int ExploitDaysToCheck = Convert.ToInt32(ConfigurationManager.AppSettings["Exploit Days to Check"]);
private static void Main(string[] args)
{
Console.WriteLine("Checking CERT alerts...");
var certAlertItems = GetCertAlerts();
Console.WriteLine("Checking Symantec...");
var symantecItems = GetSymantecAlerts();
Console.WriteLine("Checking Trend...");
var trendItems = GetTrendAlerts();
var malwareItems = symantecItems.Concat(trendItems).ToList();
Console.WriteLine("Checking 0day.today...");
var zeroDayItems = GetZeroDayItems();
Console.WriteLine("Checking BugTraq...");
var bugTraqItems = GetBugTraqItems();
Console.WriteLine("Checking Full Disclosure...");
var fullDisclosureItems = GetFullDisclosureItems();
Console.WriteLine("Checking NVD...");
var nvdItems = GetNvdItems();
Console.WriteLine("Checking Packet Storm...");
var packetStormItems = GetPacketStormItems();
Console.WriteLine("Checking Zero Day Initiative...");
var zdiItems = GetZdiItems();
Console.WriteLine("Compiling Exploit Archive...");
var exploitList = GetExploitArchive();
Console.WriteLine("Preparing Report...");
var vulnReport = ReportingOps.GenerateHtmlReport(certAlertItems, malwareItems, nvdItems, zeroDayItems,
bugTraqItems, fullDisclosureItems, packetStormItems, zdiItems);
if (exploitList.Count > 0)
{
var exploitReport = ReportingOps.GenerateHtmlExploitList(exploitList);
Console.WriteLine("Sending email...");
MailOps.SendEmailWithAttachment(vulnReport, exploitReport);
}
else
{
Console.WriteLine("Sending email...");
MailOps.SendEmail(vulnReport);
}
Console.WriteLine("Done!");
Console.ReadLine();
}
private static List<Item> GetCertAlerts()
{
var reader = XmlReader.Create(CertAlertUri);
var feed = SyndicationFeed.Load(reader);
reader.Close();
if (feed == null)
{
return null;
}
return (from item in feed.Items
where item.PublishDate.LocalDateTime >= DateTime.Now.AddDays(-BulletinDaysToCheck)
select new Item
{
Title = item.Title.Text, PublishDate = item.PublishDate.LocalDateTime, Content = item.Summary.Text, Category = "alert", Link = item.Links[0].Uri.ToString()
}).ToList();
}
private static List<Item> GetSymantecAlerts()
{
var reader = XmlReader.Create(SymantecAlertUri);
var feed = SyndicationFeed.Load(reader);
reader.Close();
if (feed == null)
{
return null;
}
return (from item in feed.Items
where item.PublishDate.LocalDateTime >= DateTime.Now.AddDays(-BulletinDaysToCheck)
select new Item
{
Title = item.Title.Text,
PublishDate = item.PublishDate.LocalDateTime,
Content = item.Summary.Text,
Category = "malware",
Link = item.Links[0].Uri.ToString()
}).ToList();
}
private static List<Item> GetTrendAlerts()
{
var reader = XmlReader.Create(TrendAlertUri);
var feed = SyndicationFeed.Load(reader);
reader.Close();
if (feed == null)
{
return null;
}
return (from item in feed.Items
where item.PublishDate.LocalDateTime >= DateTime.Now.AddDays(-BulletinDaysToCheck)
select new Item
{
Title = item.Title.Text,
PublishDate = item.PublishDate.LocalDateTime,
Content = item.Summary.Text,
Category = "malware",
Link = item.Links[0].Uri.ToString()
}).ToList();
}
private static List<ItemWithoutSummary> GetZeroDayItems()
{
var reader = XmlReader.Create(ZeroDayUri);
var feed = SyndicationFeed.Load(reader);
reader.Close();
var list = new List<ItemWithoutSummary>();
if (feed == null)
{
return null;
}
foreach (var item in feed.Items)
{
list.AddRange(from product in FileOps.ProductsToCheck()
where Regex.IsMatch(item.Title.Text, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase)
select new ItemWithoutSummary
{
Title = item.Title.Text,
PublishDate = item.PublishDate.LocalDateTime,
Link = item.Links[0].Uri.ToString(),
Category = product
});
}
return list;
}
private static List<Item> GetBugTraqItems()
{
var reader = XmlReader.Create(BugTraqUri);
var feed = SyndicationFeed.Load(reader);
reader.Close();
var list = new List<Item>();
if (feed == null)
{
return null;
}
foreach (var item in feed.Items)
{
list.AddRange(from product in FileOps.ProductsToCheck()
where
Regex.IsMatch(item.Title.Text, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase) ||
Regex.IsMatch(item.Summary.Text, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase)
select new Item
{
Title = item.Title.Text,
PublishDate = item.PublishDate.LocalDateTime,
Content = item.Summary.Text,
Link = item.Links[0].Uri.ToString(),
Category = product
});
}
return list;
}
private static List<Item> GetFullDisclosureItems()
{
var reader = XmlReader.Create(FullDisclosureUri);
var feed = SyndicationFeed.Load(reader);
reader.Close();
var list = new List<Item>();
if (feed == null)
{
return null;
}
foreach (var item in feed.Items)
{
list.AddRange(from product in FileOps.ProductsToCheck()
where
Regex.IsMatch(item.Title.Text, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase) ||
Regex.IsMatch(item.Summary.Text, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase)
select new Item
{
Title = item.Title.Text,
PublishDate = item.PublishDate.LocalDateTime,
Content = item.Summary.Text,
Link = item.Links[0].Uri.ToString(),
Category = product
});
}
return list;
}
private static List<Item> GetNvdItems()
{
var parser = new ParsingOps.FeedParser();
var items = parser.Parse(NvdUri, ParsingOps.FeedType.RDF);
var list = new List<Item>();
foreach (var item in items)
{
list.AddRange(from product in FileOps.ProductsToCheck()
where Regex.IsMatch(item.Title, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase) ||
Regex.IsMatch(item.Content, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase)
select new Item
{
Title = item.Title,
PublishDate = item.PublishDate,
Content = item.Content,
Link = item.Link,
Category = product
});
}
return list;
}
private static List<Item> GetPacketStormItems()
{
var reader = XmlReader.Create(PacketStormUri);
var feed = SyndicationFeed.Load(reader);
reader.Close();
var list = new List<Item>();
if (feed == null)
{
return null;
}
foreach (var item in feed.Items)
{
list.AddRange(from product in FileOps.ProductsToCheck()
where
Regex.IsMatch(item.Title.Text, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase) ||
Regex.IsMatch(item.Summary.Text, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase)
select new Item
{
Title = item.Title.Text,
PublishDate = item.PublishDate.LocalDateTime,
Content = item.Summary.Text,
Link = item.Links[0].Uri.ToString(),
Category = product
});
}
return list;
}
private static List<Item> GetZdiItems()
{
var reader = XmlReader.Create(ZdiUri);
var feed = SyndicationFeed.Load(reader);
reader.Close();
var list = new List<Item>();
if (feed == null)
{
return null;
}
foreach (var item in feed.Items)
{
list.AddRange(from product in FileOps.ProductsToCheck()
where
Regex.IsMatch(item.Title.Text, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase) ||
Regex.IsMatch(item.Summary.Text, string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase)
select new Item
{
Title = item.Title.Text,
PublishDate = item.PublishDate.LocalDateTime,
Content = item.Summary.Text,
Link = item.Links[0].Uri.ToString(),
Category = product
});
}
return list;
}
private static List<Exploit> GetExploitArchive()
{
var list = new List<Exploit>();
using (var client = new WebClient())
{
var doc = client.DownloadString(ExploitDbCSV);
var docLines = doc.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
foreach (var line in docLines)
{
var data = line.Split(',');
if (data.Length != 8 || Array.IndexOf(docLines, line) == 0)
{
continue;
}
var date = DateTime.ParseExact(data[3], "yyyy-MM-dd", CultureInfo.InvariantCulture);
list.AddRange(from product in FileOps.ProductsToCheck()
where
Regex.IsMatch(data[2], string.Format("\\b{0}\\b", product), RegexOptions.IgnoreCase) &&
date >= DateTime.Now.AddDays(-ExploitDaysToCheck)
select new Exploit
{
Id = data[0],
Url = StringOps.GetExploitUrl(ExploitDbCSV, data[1]),
Description = data[2],
Category = product,
PublishDate = date,
Platform = StringOps.UppercaseFirst(data[5]),
Type = StringOps.UppercaseFirst(data[6]),
Port = data[7]
});
}
return list;
}
}
}
}