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Python for Offensive PenTest

You're reading from   Python for Offensive PenTest A practical guide to ethical hacking and penetration testing using Python

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Product type Paperback
Published in Apr 2018
Publisher Packt
ISBN-13 9781788838979
Length 176 pages
Edition 1st Edition
Languages
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Author (1):
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 Khrais Khrais
Author Profile Icon Khrais
Khrais
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Table of Contents (13) Chapters Close

Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
1. Warming up – Your First Antivirus-Free Persistence Shell FREE CHAPTER 2. Advanced Scriptable Shell 3. Password Hacking 4. Catch Me If You Can! 5. Miscellaneous Fun in Windows 6. Abuse of Cryptography by Malware 1. Other Books You May Enjoy Index

Dynamic DNS


Now, one of the methods we'll discuss here is dynamic DNS. Let's say that the attacker IP is 1.1.1.1 on day 1. Then, the next day, we get an IP address of 2.2.2.2. Then, how would our target know the new IP address ? The answer is dynamic DNS (DDNS). It is a method to preserve a unique name for you on a DNS server. While the reserved name is fixed, the correlated IP address will change each time you change your public IP address. For demonstration, we will use noip.com. It provides a free dynamic DNS service. So I have previously preserved a name called pythonhussam.ddns.net. So on the target side, instead of hard-coding the IP address on that script, we will do a DNS lookup for this name; then we will retrieve the IP address to make the connection. Now, you're probably asking: When the attacker IP address changes, how does noip.com know the new IP address to update its DNS record? Well, the answer is via a software agent, which should be installed on our Kali machine. The agent...

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