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Cybersecurity - Attack and Defense Strategies

You're reading from   Cybersecurity - Attack and Defense Strategies Infrastructure security with Red Team and Blue Team tactics

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Product type Paperback
Published in Jan 2018
Publisher Packt
ISBN-13 9781788475297
Length 384 pages
Edition 1st Edition
Languages
Tools
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Authors (2):
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Yuri Diogenes Yuri Diogenes
Author Profile Icon Yuri Diogenes
Yuri Diogenes
Dr. Erdal Ozkaya Dr. Erdal Ozkaya
Author Profile Icon Dr. Erdal Ozkaya
Dr. Erdal Ozkaya
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Toc

Table of Contents (22) Chapters Close

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

Investigating a compromised system on-premises


For the first scenario, we will use a machine that got compromised after the end user opened a phishing email that looks like following:

This end user was located in the Brazilian branch office, hence the email in Portuguese. The content of this email is a bit concerning, since it talks about an ongoing law process, and the user was curious to see if he really had anything to do with it. After poking around within the email, he noticed that nothing apparently happened. He ignored and continued working. A couple of days later, he receiving an automated report from IT saying that he accessed a suspicious site and he should call support to follow up on this ticket.

He called support and explained that the only suspicious activity that he remembers was to open an odd email, he than presented this email as evidence. When questioned about what he did, he explained that he clicked the image that was apparently attached in the email thinking that he could...

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