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Advanced Penetration Testing for Highly-Secured Environments, Second Edition

You're reading from   Advanced Penetration Testing for Highly-Secured Environments, Second Edition Employ the most advanced pentesting techniques and tools to build highly-secured systems and environments

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Product type Paperback
Published in Mar 2016
Publisher
ISBN-13 9781784395810
Length 428 pages
Edition 2nd Edition
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Authors (2):
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Kevin Cardwell Kevin Cardwell
Author Profile Icon Kevin Cardwell
Kevin Cardwell
Lee Allen Lee Allen
Author Profile Icon Lee Allen
Lee Allen
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Toc

Table of Contents (14) Chapters Close

Preface 1. Penetration Testing Essentials FREE CHAPTER 2. Preparing a Test Environment 3. Assessment Planning 4. Intelligence Gathering 5. Network Service Attacks 6. Exploitation 7. Web Application Attacks 8. Exploitation Concepts 9. Post-Exploitation 10. Stealth Techniques 11. Data Gathering and Reporting 12. Penetration Testing Challenge Index

DNS recon


Domain Name System (DNS) can provide valuable data during the reconnaissance phase. If you do not already understand DNS, you may want to take some time to get a good grasp of the service and how it works. At a very basic level, DNS is used to translate domain names into IP addresses. Luckily for us, there are many tools available that are excellent at extracting the data that we need from name servers. An example of the information you are able to gather includes:

Record

Description

CNAME

Alias, used to tie many names to a single IP. An IP address can have multiple CNAME records associated with it.

A

Used to translate a domain or subdomain name to a 32-bit IP address. It can also store additional useful information.

MX

Ties a domain name to associated mail servers.

There are other record types that can be collected from DNS tools as well; the records listed in the table are the most popular, and often the most useful.

Tip

DNS reconnaissance is considered active footprinting...

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