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Nmap Network Exploration and Security Auditing Cookbook, Third Edition - Third Edition

You're reading from Nmap Network Exploration and Security Auditing Cookbook, Third Edition - Third Edition

Product type Book

Published in Sep 2021

Publisher Packt

ISBN-13 9781838649357

Pages 436 pages

Edition 3rd Edition

Languages

Concepts

Network Security

Author (1):

Paulino Calderon

Table of Contents (22) Chapters

Preface

1. Chapter 1: Nmap Fundamentals

2. Chapter 2: Getting Familiar with Nmap's Family

3. Chapter 3: Network Scanning

4. Chapter 4: Reconnaissance Tasks

5. Chapter 5: Scanning Web Servers

6. Chapter 6: Scanning Databases

7. Chapter 7: Scanning Mail Servers

8. Chapter 8: Scanning Windows Systems

9. Chapter 9: Scanning ICS/SCADA Systems

10. Chapter 10: Scanning Mainframes

11. Chapter 11: Optimizing Scans

12. Chapter 12: Generating Scan Reports

13. Chapter 13: Writing Your Own NSE Scripts

14. Chapter 14: Exploiting Vulnerabilities with the Nmap Scripting Engine

15. Other Books You May Enjoy

Appendix A: HTTP, HTTP Pipelining, and Web Crawling Configuration Options

HTTP user agent

1. Appendix Β: Brute-Force Password Auditing Options

Brute modes

2. Appendix C: NSE Debugging

3. Appendix D: Additional Output Options

4. Appendix Ε: Introduction to Lua

5. Appendix F: References and Additional Reading

Why subscribe?

Detecting vulnerabilities using the SMB2/3 boot-time field

Before the Windows Fall Creators Update, it was possible to use the boot-time field returned by SMB2/3 servers during protocol negotiation. Systems that return boot-time information can be fingerprinted for missing security patches. Because the response was part of a valid protocol negotiation before each SMB connection, IDS/IPS/AVs couldn't detect it.

This recipe shows how to detect missing security patches in Windows systems with SMB2/3.

How to do it...

Open your terminal and enter the following Nmap command:

$ nmap -p445 --script smb2-vuln-uptime <target>

The script will report if a system hasn't been rebooted since a critical patch got released:

| smb2-vuln-uptime:
|   VULNERABLE:
|   MS17-010: Security update for Windows SMB Server
|     State: LIKELY VULNERABLE
|     IDs:  ms:ms17-010  ...

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Authors (1)

Paulino Calderon

Paulino Calderon (@calderpwn on Twitter) is the cofounder of Websec, a company offering information security consulting services based in Mexico and Canada. When he is not traveling to a security conference or conducting on-site consulting for Fortune 500 companies, he spends peaceful days in Cozumel, a beautiful small island in the Caribbean, learning new technologies, conducting big data experiments, developing new tools, and finding bugs in software. Paulino is active in the open source community, and his contributions are used by millions of people in the information security industry. In 2011, Paulino joined the Nmap team during the Google Summer of Code to work on the project as an NSE developer. He focused on improving the web scanning capabilities of Nmap, and he has kept contributing to the project since then. In addition, he has been a mentor for students who focused on vulnerability detection during the Google Summer of Code 2015 and 2017. He has published Nmap 6: Network Exploration and Security Auditing Cookbook and Mastering the Nmap Scripting Engine, which cover practical tasks with Nmap and NSE development in depth. He loves attending information security conferences, and he has given talks and participated in workshops in dozens of events in Canada, the United States, Mexico, Colombia, Peru, Bolivia, and Curacao.

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