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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

Watching the source code

Looking into a web page's source code allows us to understand some of the programming logic, detect the obvious vulnerabilities, and also have a reference when testing, as we will be able to compare the code before and after a test and use that comparison to modify our next attempt.

In this recipe, we will view the source code of an application and arrive at some conclusions from that.

Getting ready

For this recipe, start the vulnerable_vm.

How to do it...

  1. Browse to http://192.168.56.102.
  2. Select the WackoPicko application.
  3. Right-click on the page and select View Page Source. A new window with the source code of the page will open:
    How to do it...

    With the source code we can discover the libraries or external files that the page is using and where the links go. Also, as can be seen in the preceding image, this page has some hidden input fields. The selected one is MAX_FILE_SIZE; this means that, when we are uploading a file, this field determines the maximum size allowed for the file...

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