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Practical Linux Security Cookbook

You're reading from Practical Linux Security Cookbook Secure your Linux environment from modern-day attacks with practical recipes

Product type Paperback

Published in Aug 2018

Publisher Packt

ISBN-13 9781789138399

Length 482 pages

Edition 2nd Edition

Tools

Linux

Concepts

Information Security

Author (1):

Tajinder Kalsi

View More author details

Table of Contents (15) Chapters

Preface

1. Linux Security Problem

2. Configuring a Secure and Optimized Kernel FREE CHAPTER

3. Local Filesystem Security

4. Local Authentication in Linux

5. Remote Authentication

6. Network Security

7. Security Tools

8. Linux Security Distros

9. Bash Vulnerability Patching

10. Security Monitoring and Logging

11. Understanding Linux Service Security

12. Scanning and Auditing Linux

13. Vulnerability Scanning and Intrusion Detection

14. Other Books You May Enjoy

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Finding rootkits

Servers that are connected to the internet nowadays face a constant daily attacks. As a system administrator, it is recommended you keep a check regularly to ensure that no attacker has been able to get in.

By using different tools, we can keep a check on malware and rootkits, from getting installed on our servers.

Getting ready

There are no specific requirements to use the scanning tools on our Linux system.

How to do it...

In this section, we will see how to install and configure Linux rootkit scanning tools and use as per our requirements:

To begin with, we will install chkrootkit, a classic rootkit scanner for Linux, as shown here:

Once the software has been installed, we can check the path where the software has been installed by running the following command:

Next, we check the Help menu to understand the options that can be used to run the tool:

If we want to see the list of available tests in chkrootkit, we can run the following command:

Now, let's start the scan as shown...

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Authors (1)

Kalsi

Kalsi

Tajinder Kalsi is an innovative professional with more than 9 years' progressive experience within the information security industry. He has a good amount of knowledge and experience in web application testing, vulnerability assessment, network penetration testing, and risk assessment. At present, he is working as an information security consultant. He started his career with Wipro as a technical associate, and later on he became an ISMS consultant-cum-technical evangelist. In his free time, he conducts seminars in colleges all across India on various topics, in more than 125 colleges; he has spoken to 10,000+ students. Tajinder is a certified ISO 27001:2013 Auditor. Tajinder authored Practical Linux Security Cookbook published by Packt Publishing. He has also reviewed the following books: Web Application Penetration Testing with Kali Linux and Mastering Kali Linux for Advanced Penetration Testing. He has also authored three video courses with Packt: Getting Started with Pentensing, Finding and Exploiting Hidden Vulnerabilities, and Pentesting Web Applications. He is best described as dedicated, devoted, and determined and a person who strongly believes in making his dreams come true. He defines himself as a tireless worker, who loves to laugh and make others laugh. He is also very friendly and level-headed. https://www.linkedin.com/in/tajinderkalsi/.

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