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Hands-On Penetration Testing with Kali NetHunter

You're reading from  Hands-On Penetration Testing with Kali NetHunter

Product type Book
Published in Feb 2019
Publisher
ISBN-13 9781788995177
Pages 302 pages
Edition 1st Edition
Languages
Authors (2):
Glen D. Singh Glen D. Singh
Profile icon Glen D. Singh
Sean-Philip Oriyano Sean-Philip Oriyano
Profile icon Sean-Philip Oriyano
View More author details
Toc

Table of Contents (19) Chapters close

Title Page
Copyright and Credits
About Packt
Contributors
Preface
1. Introduction to Kali NetHunter 2. Understanding the Phases of the Pentesting Process 3. Intelligence-Gathering Tools 4. Scanning and Enumeration Tools 5. Penetrating the Target 6. Clearing Tracks and Removing Evidence from a Target 7. Packet Sniffing and Traffic Analysis 8. Targeting Wireless Devices and Networks 9. Avoiding Detection 10. Hardening Techniques and Countermeasures 11. Building a Lab 12. Selecting a Kali Device and Hardware 1. Other Books You May Enjoy Index

Banner grabbing


Banner grabbing is a technique that identifies the services that are running on a system. For example, let's say you did a basic port scan on a target and you saw port 80 is open, this means there is a web server providing HTTP service. However, if we would like to determine/retrieve the web server platform (IIS, Apache, or Nginx) and its version number, we would have to perform banner grabbing.

Exercise using Telnet to banner-grab

In this exercise, we re going to use Telnet to determine the type of web server on a target system. We'll be able to see whether it's IIS, Apache, or Nginx. Let's begin:

  1. Open a command console.
  2. At the console, enter the following command:
telnet <target IP address> 80
  1. Press Enter.
  2. Enter the GET/ http/1.0 command.
  3. Press Enter.
  4. View the results.

Your results may vary on your target, however, the results would be in a similar format to the following:

HTTP/1.1 200 OK 
Date: Mon, 30 January 2017 22:10:40 EST 
Server: Apache/2.0.46 (Unix) (Red Hat/Linux)...
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