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Firewall Evasion for InfoSec 

The course will cover techniques used by penetration testers and malicious actors as well as countermeasures for network defenders. In this course students will learn:

  • Firewall and IDS terminology and basic theory.
  • Firewall/IDS evasion and rule mapping techniques using various tools for ingress and firewall/IDS egress evasion.

Certificate of completion, 18 CPE credits

Course is self-paced


What will you learn?

  • Firewall terminology and theory
  • IDS terminology and theory
  • Packet manipulation techniques
  • TCP/IP basics

What skills will you gain?

  • Nmap usage for discovery and evasion
  • Firewalk usage for firewall rule discovery
  • Nchop usage for session splicing

What will you need?

  • Ideal setup is a firewall and IDS.
  • Cisco PIX firewalls for ~40 USD. PIX firewalls are an older technology but workable for this course.
  • The instructor will have a Cisco ASA and PIX i his setup for testing.
  • Linux Virtual Machine with a firewall that can be placed in different configurations.

What should you know before you join?

  • Networking basics
  • Linux basics

Your instructor

IMG_0003Shad Malloy is a Network Security Analyst with a wide range of experience including virtualization, firewalls, SCADA, and enterprise security. Shad has over 16 years of experience as an information technology professional, with 6 years of penetration testing experience. He has worked with commercial and government clients including creation of the penetration testing program for Indian Health Services.

As a Network Security Analyst, Shad evaluates the internal and external security postures of enterprise networks. He surveys the client’s network infrastructure, finding and reporting on exposed or at-risk configurations. After demonstrating how vulnerabilities in the client’s network can be exploited to grant access and/or reveal sensitive data, he educates clients on the best ways to safeguard their environments.

Shad’s research focuses on the development of a Shellshock User-agent scanner and wireless attacks. He received his Bachelors of Computer Information Systems (B.S.) in 2003 from National American University.

Relevant Certifications:

  • Certified Information System Security Professional (CISSP)
  • Certified Ethical Hacker (CEH)
  • Certified Security Analyst (ECSA)
  • Certified Intrusion Prevention Specialist (CIPS)

Course format

The course is self-paced and starts with a month-long session. Four weeks is our estimate for how long it should take a working professional to comfortably finish the course. However, you can go at your own pace: 

  • after the session ends and all materials are on the website you keep access forever - even if you finish the course and get your certificate you can come back and reread and rewatch everything;
  • there is no deadline for finishing the course, if you come back to the final exam in a few months it will still be available;
  • to pass the course there is no need to be present at any set times;

Course Syllabus


Module 1 Firewall, IDS, and Networking Theory


Terminology:

  • Firewall
  • IDS
  • Networking Technology

Module 1 Exercises: 

  • System setup

Module 2 Ingress Firewall Testing


Testing and Mapping Ingress Firewall Rules:

  • Nmap for firewall testing and evasion
  • Firewalk for firewall rule mapping
  • Network protocol usage for testing and evasion (TCP/IP, UDP, ICMP)

Module 2 exercises:

  • Nmap firewall testing
  • Firewalk rule testing

Module 3  Egress Firewall Testing


Evasion of egress firewall rules:

  • Egress firewall discussion
  • Protocol Tunneling
  • VPN Setup

Module 3 exercises:

  • Meterpreter
  • NetCat
  • Proxychains
  • Skullsec DNScat - bonus

Module 4 Packet Manipulation


  • Packet fragmentation  for evasion
  • Packet manipulation for evasion
  • Packet delay for evasion

Module 4 exercises:

  • Nchop session splicing for ingress and egress
  • Python Client/Server for egress

QUESTIONS? 

If you have any questions, please contact our eLearning Manager at [email protected].

Course Reviews

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  1. Great!

    5

    Exactly what I expected!

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