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Nmap Network Exploration and Security Auditing Cookbook, Third Edition

You're reading from   Nmap Network Exploration and Security Auditing Cookbook, Third Edition Network discovery and security scanning at your fingertips

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Product type Paperback
Published in Sep 2021
Publisher Packt
ISBN-13 9781838649357
Length 436 pages
Edition 3rd Edition
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Author (1):
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Paulino Calderon Paulino Calderon
Author Profile Icon Paulino Calderon
Paulino Calderon
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Table of Contents (22) Chapters Close

Preface 1. Chapter 1: Nmap Fundamentals 2. Chapter 2: Getting Familiar with Nmap's Family FREE CHAPTER 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 1. Appendix Β: Brute-Force Password Auditing Options 2. Appendix C: NSE Debugging 3. Appendix D: Additional Output Options 4. Appendix Ε: Introduction to Lua 5. Appendix F: References and Additional Reading

Enumerating SMB sessions

SMB sessions reflect people connected to file shares or making RPC calls and they can provide invaluable information to profile users and machines. The SMB session information includes usernames, origin IP addresses, and even idle time. Because this information can be used to launch other attacks, listing SMB sessions remotely can be handy during the information-gathering phase.

This recipe shows how to enumerate SMB sessions of Windows machines with Nmap.

How to do it...

Open your terminal and enter the following Nmap command to enumerate the current SMB sessions on a target:

$ nmap -p445 --script smb-enum-sessions <target>

Local users on the system will be listed, as well as the SMB connections detected:

Host script results:
|     smb-enum-sessions:
|     Users logged in:
|     |    MATRIX\Administrator since 2017-01-12 12:03:20
| &...
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