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Techniques for Bypassing Network Security: IDS, Honeypots, and Firewalls

In Chapter 13, we explore advanced methods for bypassing network security measures, including Intrusion Detection Systems (IDS), honeypots, and firewalls. We discuss various types of IDS—host-based, network-based, signature-based, and anomaly-based—and examine evasion techniques such as traffic alteration, session splicing, and data obfuscation. Additionally, we cover the use of hacking tools like ADMutate and Snort, along with strategies for navigating both hardware and software firewalls, and how to detect and bypass honeypots effectively.

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Techniques for Bypassing Network Security: IDS, Honeypots, and Firewalls

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  1. Chapter 13 Bypassing Network Security: Evading IDSs, Honeypots, and Firewalls

  2. Types of IDSs & Evasion Techniques • IDS vs IPS • Use packet sniffers • Host Based vs Network Based • Signature Based vs Anomaly Based

  3. Types of IDSs & Evasion Techniques • Bypassing an IDS • Change the traffic (eg: HTTP instead of ICMP) • Session Splicing • Inserting extra data • Obfuscating addresses • Use encryption • Session hijacking

  4. Hacking Tools • ADMutate • Rewrites a script • Snort • Real-time packet sniffer • HIDS • traffic-logging tool • Both Linux and Windows

  5. Firewalls & Honeypots • Firewalls: Hardware vs Software • Honeypots • Specter, KFSensor, Nessus • Bypassing honeypots • Reverse www shell • Compromise an internal system that connects via port 80 to hacker’s system • Use anti-honeypot software to warn of honeypot systems

  6. Enticement vs Entrapment • Honeypot Study Guide: • http://ethics.csc.ncsu.edu/abuse/hacking/honeypots/study.php

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