
Ransomware
Description
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Content
- Intro
- Copyright
- Table of Contents
- Preface
- Conventions Used in This Book
- Using Code Examples
- O'Reilly Safari
- How to Contact Us
- Acknowledgments
- Part I. Understanding Ransomware
- Chapter 1. Introduction to Ransomware
- Ransomware's Checkered Past
- Anatomy of a Ransomware Attack
- Deployment
- Installation
- Command-and-Control
- Destruction
- Extortion
- Destruction Phase
- File Encryption
- System or Browser Locking
- The Rapid Growth of Ransomware
- Other Factors
- Misleading Applications, FakeAV, and Modern CrytpoRansomware
- Summary
- Chapter 2. Pros and Cons of Paying the Ransom
- "Oh"
- Knowing What Is Actually Backed Up
- Knowing Which Ransomware Family Infected the System
- When to Pay the Ransom
- Ransomware and Reporting Requirements
- PCI DSS and Ransomware
- HIPPA
- Summary
- Chapter 3. Ransomware Operators and Targets
- Criminal Organizations
- TeslaCrypt
- CryptXXX
- CryptoWall
- Locky
- Ranscam
- Who Are Ransomware Groups Targeting?
- Evolving Targets
- Advanced Hacking Groups Move In
- Ransomware as a Service (RaaS)
- Different RaaS Models
- RaaS Disrupts Security Tools
- Summary
- Part II. Defensive Tactics
- Chapter 4. Protecting Workstations and Servers
- Attack Vectors for Ransomware
- Hardening the System and Restricting Access
- Time to Ditch Flash
- Asset Management, Vulnerability, Scanning, and Patching
- Disrupting the Attack Chain
- Looking for the Executable Post-Attack
- Protecting Public-Facing Servers
- Alerting and Reacting Quickly
- Honeyfiles and Honeydirectories
- Summary
- Chapter 5. Protecting the Workforce
- Knowing the Risks and Targets
- Learning How to Prevent Compromises
- Email Attachment Scanning
- Tracking Down the Websites
- Testing and Teaching Users
- Security Awareness Training
- Phishing Users
- Post Ransomware
- Summary
- Chapter 6. Threat Intelligence and Ransomware
- Understanding the Latest Delivery Methods
- Using the Latest Network Indicators
- Detecting the Latest Behavioral Indicators
- User Behavior Analytics
- Summary
- Part III. Ransomware Families
- Chapter 7. Cerber
- Who Developed Cerber?
- The Encryption Process
- Cerber and BITS
- Protecting Against Cerber
- Summary
- Chapter 8. Locky
- Who Developed Locky?
- The Encryption Process
- Understanding Locky's DGA
- Zepto and Bart Variants
- DLL Delivery
- Protecting Against Locky
- Block the Spam
- Disable Macros in Microsoft Office Documents
- Don't Allow JavaScript Files to Execute Locally
- Stop the Initial Callout
- Reverse-Engineering the DGA
- Summary
- Chapter 9. CryptXXX
- Who Developed CryptXXX?
- Advanced Endpoint Protection Versus Sandboxing
- Crypt + XXX
- The Encryption Process
- Protecting Against CryptXXX
- Exploit Kits
- DNS Firewalls and IDS
- Stopping CryptXXX
- Summary
- Chapter 10. Other Ransomware Families
- CryptoWall
- Who Developed CryptoWall?
- The Encryption Process
- PowerWare
- The Encryption Process
- Protecting Against PowerWare
- Ransom32
- KeRanger/KeyRanger
- Hidden Tear
- TeslaCrypt
- Mobile Ransomware
- Ransomware Targeting Medical Devices
- Medical Devices
- Summary
- Index
- About the Authors
- Colophon
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