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 (18 chapters)
13
Brute Force Password Auditing Options
17
References and Additional Reading

Introduction


The most important process during a penetration test is the information-gathering phase. During this phase, we investigate our target with the goal of learning everything about it. We should attempt to gather information, such as usernames, possible passwords, additional hosts and services, including version banners, among many other interesting bits of data. The information we discover could be invaluable in further stages of our penetration test.

There are several tools depending on many different external data sources and techniques that help us successfully complete this phase. The effectiveness of this phase will be using all resources available at our disposal. Dare to ignore or neglect any of them, and you could be missing out on the one piece of information that you need to completely compromise your target.

Nmap is well known for its information-gathering capabilities, such as OS fingerprinting, port enumeration, and service discovery, but thanks to the Nmap Scripting...