Hackers use sniffing to intercept network traffic. Learn about how ethical hackers prevent these types of attacks in this course from our Certified Ethical Hacker exam series.
- [Teacher] Hello, my name is Lisa Bock, and I'm a security ambassador. In this course I'll explore my favorite part of ethical hacking, sniffing network traffic. This course is part of the Ethical Hacking series. I'll cover concepts such as the importance of the OSI Model, look at active and passive attacks, and ways to tap into the data stream. I'll review some of the attacks against protocols, such as DNS caching and forgery, a macof attack, and creating a denial of service attack, by depleting the DHCP pool.
And I'll cover how hackers use Ettercap for an effective man in the middle attack by poisoning the ARP cache. I'll show you how headers can tell us the types of servers and browsers that are used during a webpage transaction. In addition, we'll look at Driftnet to capture images. I'll be using Wireshark for most of the course, but I'll review other tools for analysis. Are you ready? Let's get started.
Author
Updated
1/13/2020Released
9/29/2016Note: The topics in this course will prepare you for key objectives on the Certified Ethical Hacker exam. Find an overview of the certification and the exam handbook at https://www.eccouncil.org/programs/certified-ethical-hacker-ceh/.
- Sniffing network traffic
- Passive vs. active attacks
- Comparing IPv4 to IPv6
- MAC and macof attacks
- Investigating DHCP attacks
- Detecting ARP and DNS spoofing
- Sniffing tools and techniques
Skill Level Beginner
Duration
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Introduction
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Welcome1m 5s
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1. Sniffing Overview
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Sniffing network traffic4m 15s
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The OSI model4m 10s
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Passive and active attacks4m 34s
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Tapping into the data stream3m 19s
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Comparing IPv4 to IPv64m 35s
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2. MAC Attacks
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macof attack demo1m 51s
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Spoofing a MAC address2m 47s
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3. DHCP
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Investigating DHCP4m 20s
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Depleting the DHCP pool1m 25s
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4. ARP
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Address Resolution Protocol2m 48s
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Ettercap for ARP poison3m 8s
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Detecting ARP spoofing2m 51s
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5. DNS
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Domain Name Systems3m 28s
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Caching and forgery2m 12s
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Poisoning DNS1m 56s
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6. Sniffing Tools and Techniques
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Capturing images1m 19s
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Investigating OmniPeek3m 13s
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Other sniffing tools1m 9s
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Defending against sniffing1m 53s
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Conclusion
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Next steps2m
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Video: Welcome