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Cybersecurity – Attack and Defense Strategies

You're reading from   Cybersecurity – Attack and Defense Strategies Counter modern threats and employ state-of-the-art tools and techniques to protect your organization against cybercriminals

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Product type Paperback
Published in Dec 2019
Publisher Packt
ISBN-13 9781838827793
Length 634 pages
Edition 2nd Edition
Languages
Tools
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Authors (2):
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Dr. Erdal Ozkaya Dr. Erdal Ozkaya
Author Profile Icon Dr. Erdal Ozkaya
Dr. Erdal Ozkaya
Yuri Diogenes Yuri Diogenes
Author Profile Icon Yuri Diogenes
Yuri Diogenes
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Toc

Table of Contents (20) Chapters Close

Preface 1. Security Posture 2. Incident Response Process FREE CHAPTER 3. What is a Cyber Strategy? 4. Understanding the Cybersecurity Kill Chain 5. Reconnaissance 6. Compromising the System 7. Chasing a User's Identity 8. Lateral Movement 9. Privilege Escalation 10. Security Policy 11. Network Segmentation 12. Active Sensors 13. Threat Intelligence 14. Investigating an Incident 15. Recovery Process 16. Vulnerability Management 17. Log Analysis 18. Other Books You May Enjoy
19. Index

External reconnaissance

In this section, we'll cover a number of tools for external reconnaissance. Let's begin by looking at the server scanning tool, Webshag.

Webshag

This is a server scanning tool that can evade detection by intrusion detection systems (IDS). Many IDS tools work by blocking suspicious traffic from specific IP addresses. Webshag can send random requests to a server through proxies, thereby evading the IP address blocking mechanism of an IDS.

Therefore, the IDS will hardly be able to protect the target from being probed. Webshag can find the open ports on a server and the services running on them. It has a more aggressive mode called Spider, which can list all the directories in the server to allow a hacker to dig deeper and find any loosely kept sensitive files or backups. It can also find emails and external links posted on the site. The main advantage of Webshag is that it can scan both HTTP and HTTPS protocols.

Webshag can be used in GUI...

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