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Kali Linux Web Penetration Testing Cookbook

You're reading from   Kali Linux Web Penetration Testing Cookbook Over 80 recipes on how to identify, exploit, and test web application security with Kali Linux 2

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Product type Paperback
Published in Feb 2016
Publisher
ISBN-13 9781784392918
Length 296 pages
Edition 1st Edition
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Author (1):
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Gilberto Najera-Gutierrez Gilberto Najera-Gutierrez
Author Profile Icon Gilberto Najera-Gutierrez
Gilberto Najera-Gutierrez
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Toc

Table of Contents (12) Chapters Close

Preface 1. Setting Up Kali Linux FREE CHAPTER 2. Reconnaissance 3. Crawlers and Spiders 4. Finding Vulnerabilities 5. Automated Scanners 6. Exploitation – Low Hanging Fruits 7. Advanced Exploitation 8. Man in the Middle Attacks 9. Client-Side Attacks and Social Engineering 10. Mitigation of OWASP Top 10 Index

Scanning and identifying services with Nmap

Nmap is probably the most used port scanner in the world. It can be used to identify live hosts, scan TCP and UDP open ports, detect firewalls, get versions of services running in remote hosts, and even, with the use of scripts, find and exploit vulnerabilities.

In this recipe, we will use Nmap to identify all the services running on our target application's server and their versions. We will do this in several calls to Nmap for learning purposes, but it can be done using a single command.

Getting ready

All we need is to have our vulnerable_vm running.

How to do it...

  1. First, we want to see if the server is answering to a ping or if the host is up:
    nmap -sn 192.168.56.102
    
    How to do it...
  2. Now that we know that it's up, let's see which ports are open:
    nmap 192.168.56.102
    
    How to do it...
  3. Now, we will tell Nmap to ask the server for the versions of services it is running and to guess the operating system based on that.
    nmap -sV -O 192.168.56.102
    
    How to do it...
  4. We can see that our vulnerable_vm...
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