Internet Forensics

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Overview

Because it's so large and unregulated, the Internet is a fertile breeding ground for all kinds of scams and schemes. Usually it's your credit card number they're after, and they won't stop there. Not just mere annoyances, these scams are real crimes, with real victims. Now, thanks to Internet Forensics from O'Reilly, there's something you can do about it.

This practical guide to defending against Internet fraud gives you the skills you need to uncover the origins of the ...

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Internet Forensics

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Overview

Because it's so large and unregulated, the Internet is a fertile breeding ground for all kinds of scams and schemes. Usually it's your credit card number they're after, and they won't stop there. Not just mere annoyances, these scams are real crimes, with real victims. Now, thanks to Internet Forensics from O'Reilly, there's something you can do about it.

This practical guide to defending against Internet fraud gives you the skills you need to uncover the origins of the spammers, con artists, and identity thieves that plague the Internet. Targeted primarily at the developer community, Internet Forensics shows you how to extract the information that lies hidden in every email message, web page, and web server on the Internet. It describes the lengths the bad guys will go to cover their tracks, and offers tricks that you can use to see through their disguises. You'll also gain an understanding for how the Internet functions, and how spammers use these protocols to their devious advantage.

The book is organized around the core technologies of the Internet-email, web sites, servers, and browsers. Chapters describe how these are used and abused and show you how information hidden in each of them can be revealed. Short examples illustrate all the major techniques that are discussed. The ethical and legal issues that arise in the uncovering of Internet abuse are also addressed.

Not surprisingly, the audience for Internet Forensics is boundless. For developers, it's a serious foray into the world of Internet security; for weekend surfers fed up with spam, it's an entertaining and fun guide that lets them play amateur detective from the safe confines of their home or office.

This practical guide to defending against Internet fraud gives readers the skills to uncover the origins of the spammers, con artists, and identity thieves that plague the Internet. Targeted primarily at the developer community, it shows you how to extract the information that lies hidden in every email message, web page, and web server on the Internet.

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Product Details

  • ISBN-13: 9780596100063
  • Publisher: O'Reilly Media, Incorporated
  • Publication date: 10/14/2005
  • Edition number: 1
  • Pages: 242
  • Sales rank: 782,542
  • Product dimensions: 9.18 (w) x 6.92 (h) x 0.62 (d)

Meet the Author

Robert Jones runs Craic Computing, a small bioinformatics company in Seattle that provides advanced software and data analysis services to the biotechnology industry. He was a bench molecular biologist for many years before programming got the better of him. Dr. Jones has extensive experience in Linux/Apache/MySQL/Perl softwaredevelopment and Linux systems administration.

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Table of Contents

Preface;
Who This Book Is For;
Contents of This Book;
Conventions Used in This Book;
Safari Enabled;
Using Code Examples;
How to Contact Us;
Acknowledgments;
Chapter 1: Introduction;
1.1 What Is Internet Forensics?;
1.2 The Seamy Underbelly of the Internet;
1.3 Pulling Back the Curtain;
1.4 Taking Back Our Internet;
1.5 Protecting Your Privacy;
1.6 Before You Begin;
1.7 A Network Neighborhood Watch;
Chapter 2: Names and Numbers;
2.1 Addresses on the Internet;
2.2 Internet Address Tools;
2.3 DNS Record Manipulation;
2.4 An Example—Dissecting a Spam Network;
Chapter 3: Email;
3.1 Message Headers;
3.2 Forged Headers;
3.3 Forging Your Own Headers;
3.4 Tracking the Spammer;
3.5 Viruses, Worms, and Spam;
3.6 Message Attachments;
3.7 Message Content;
3.8 Is It Really Spam?;
Chapter 4: Obfuscation;
4.1 Anatomy of a URL;
4.2 IP Addresses in URLs;
4.3 Usernames in URLs;
4.4 Encoding the Entire Message;
4.5 Similar Domain Names;
4.6 Making a Form Look Like a URL;
4.7 Bait and Switch—URL Redirection;
4.8 JavaScript;
4.9 Browsers and Obfuscation;
Chapter 5: Web Sites;
5.1 Capturing Web Pages;
5.2 Viewing HTML Source;
5.3 Comparing Pages;
5.4 Non-Interactive Downloads Using wget;
5.5 Mapping Out the Entire Web Site;
5.6 Hidden Directories;
5.7 In-Depth Example—Directory Listings;
5.8 Dynamic Web Pages;
5.9 Filling Out Forms;
5.10 In-Depth Example—Server-Side Database;
5.11 Opening the Black Box;
Chapter 6: Web Servers;
6.1 Viewing HTTP Headers;
6.2 What Can Headers Tell Us?;
6.3 Cookies;
6.4 Redirection;
6.5 Web Server Statistics;
6.6 Controlling HTTP Headers;
6.7 A Little Bit of Everything;
Chapter 7: Web Browsers;
7.1 What Your Browser Reveals;
7.2 Apache Web Server Logging;
7.3 Server Log Analysis;
7.4 Protecting Your Privacy;
Chapter 8: File Contents;
8.1 Word Document Metadata;
8.2 U.K. Government Dossier on Iraq;
8.3 Document Forgery;
8.4 Redaction of Sensitive Information;
Chapter 9: People and Places;
9.1 Geographic Location;
9.2 Time Zone;
9.3 Language;
9.4 Expertise;
9.5 Criminal or Victim?;
9.6 Hardware and Software;
Chapter 10: Patterns of Activity;
10.1 Signatures;
10.2 Searching with Signatures;
10.3 Problems with Simple Signatures;
10.4 Full Text Comparison;
10.5 Using Internet Search Engines for Patterns;
Chapter 11: Case Studies;
11.1 Case Study 1: Tidball;
11.2 Case Study 2: Spam Networks;
Chapter 12: Taking Action;
12.1 What Is Being Done to Tackle Internet Fraud?;
12.2 What You Can Do to Help;
12.3 Getting in Over Your Head;
12.4 Vision of a Community Response;
About the Author;
Colophon;

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Customer Reviews

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  • Anonymous

    Posted March 19, 2006

    THE ULTIMATE CSI ON THE WEB BOOK!

    Do you have a professional interest in computer security or are you a software developer and system administrator who take a broad interest in the Internet and how it works? Well, you're in luck! Author Robert Jones, has done an outstanding job of writing a book that shows you how to find the clues left behind at an Internet crime scene. Jones, begins with an overview of spam, phishing, and the other threats to today's Internet. Then, he walks you through the tools and techniques to retrieve information about Internet addresses and domain names. The author continues by reviewing the structure of email messages, how spammers forge message headers, and what you can uncover in spite of their efforts to hide. He also reviews the many ways that con artists conceal their identities and how you can see through their disguises. He continues by dissecting the operation of Internet scams by studying the pages and directories that make up a web site. In addition, the author next deals with ways to uncover information about web servers and their operation by looking at the headers records of standard web transactions. Then, he looks at what you reveal about yourself every time you visit a web site and some of the ways in which you can protect your personal information. The author continues by looking at techniques to extract information that lies hidden within PDF and Word documents. He also reviews the collection of miscellaneous techniques. He also reviews the many ways to search for similar features across multiple files thus, allowing you to link together different Internet scams. He continues by looking at two in-depth examples of Internet forensics at work. Finally, he discusses how to combat Internet fraud and how you can play a part. This excellent book will show you how to uncover information that lies hidden inevery email message, web page, and web server on the Internet. You will gain an understanding of how the Internet functions.

    1 out of 1 people found this review helpful.

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  • Posted October 29, 2010

    What is with the version descrepency???

    Even though the website states that this book was published on 5/13/2010, when I actually purchased it the e-book has the date of 2005. That was 5 years ago. If I had known that, I would not have purchased this e-book as now I feel cheated.

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  • Anonymous

    Posted February 6, 2006

    A way to fight the spammers

    It's always maddening to get up every day and find lots of spam or scam email. This book provides a way to 'fight back,' in that it shows ways to trace back to the scammers' original domain and/or location. While most of these folk tend to move quickly (ie their sites tend to disappear within a very short period of time), there are ways to possibly catch them if you move quickly as well. And these techniques can be tested safely on legitimate emails. I know one point the author makes is that a lot of information can be discovered through web sites and if you have one (or many) of your own, you may want to consider how much information about yourself you want associated with your sites. And speaking of web sites, I was intrigued to find out about a specific site the author alludes to, called the 'Wayback Machine,' which currently archives approximately 40 million (now defunct) web sites. So what are some of the ways or 'techniques' described in this book? Items like checking domain name servers using the dig tool, using the whois command to query IP address blocks, checking email message headers (some are forged, but others aren't), tracking web site URLs, encoded messages, capturing web pages, viewing http headers on web servers, and so on. This book provides a lot of information for tracking scammers. Granted, this information is not for the beginner. You need to know something about how the TCP/IP protocol works and also what to look for with IP addresses, message headers and so forth. And as such is written more for the computer security professionals, and also system administrators who often have to deal with email attacks or spam clogging up their company's mail servers than it is for the lay person. Still even a lay person may find items of value from this book.

    Was this review helpful? Yes  No   Report this review
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