Book Image

Nmap: Network Exploration and Security Auditing Cookbook - Second Edition

By : Paulino Calderon
Book Image

Nmap: Network Exploration and Security Auditing Cookbook - Second Edition

By: Paulino Calderon

Overview of this book

This is the second edition of ‘Nmap 6: Network Exploration and Security Auditing Cookbook’. A book aimed for anyone who wants to master Nmap and its scripting engine through practical tasks for system administrators and penetration testers. Besides introducing the most powerful features of Nmap and related tools, common security auditing tasks for local and remote networks, web applications, databases, mail servers, Microsoft Windows machines and even ICS SCADA systems are explained step by step with exact commands and argument explanations. The book starts with the basic usage of Nmap and related tools like Ncat, Ncrack, Ndiff and Zenmap. The Nmap Scripting Engine is thoroughly covered through security checks used commonly in real-life scenarios applied for different types of systems. New chapters for Microsoft Windows and ICS SCADA systems were added and every recipe was revised. This edition reflects the latest updates and hottest additions to the Nmap project to date. The book will also introduce you to Lua programming and NSE script development allowing you to extend further the power of Nmap.
Table of Contents (25 chapters)
Title Page
Credits
About the Author
Acknowledgments
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
13
Brute Force Password Auditing Options
17
References and Additional Reading

Obtaining profile information from Google's People API


Taking advantage of public APIs during the reconnaissance phase can provide a lot of information about our targets. Profile information from people in organizations using Gmail can be obtained via Google's People API. This service provides name details and the profile photo from the registered contact information and can be queried by anyone with a valid Gmail account. This makes the API perfect for enumerating and obtaining information from valid users in organizations.

This recipe shows how to obtain profile information from people in organizations using Gmail with Nmap.

Getting ready

For this task, we are going to use the NSE script that is not included in the official Nmap repository. Please install it manually before continuing.You can download google-people-enum.nse from https://raw.githubusercontent.com/cldrn/nmap-nse-scripts/master/scripts/google-people-enum.nse.

How to do it...

Run the following Nmap command to check whether any...