GBP

Securing Cisco Networks with Snort Rule Writing Best Practices - SSFRULES

WGAC-CSC-SSFRULES

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Description

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Introduction

Securing Cisco® Networks with Snort Rule Writing Best Practices (SSFRULES) is an instructor-led course offered by Learning Services High-Touch Delivery. It is a lab-intensive course that introduces students to the open source Snort community and rule-writing best practices.

Users focus exclusively on the Snort rules language and rule writing. Starting from rule syntax and structure to advanced rule-option usage, you will analyze exploit packet captures and put the rule writing theories learned to work—implementing rule-language features to trigger alerts on the offending network traffic.

This course also provides instruction and lab exercises on how to detect certain types of attacks, such as buffer overflows, utilizing various rule-writing techniques. You will test your rule-writing skills in two challenges: a theoretical challenge that tests knowledge of rule syntax and usage, and a practical challenge in which we present an exploit for you to analyze and research so you can defend your installations against the attack.

This course combines lecture materials and hands-on labs throughout to make sure that you are able to successfully understand and implement open source rules

Prerequisites & Audience

Technical understanding of TCP/IP networking and network architecture
Working knowledge of how to use and operate Cisco Sourcefire® Systems or open source Snort
Working knowledge of command-line text editing tools, such as the vi editor
Basic rule-writing experience is suggested

This course is designed for technical professionals who need to know how to write rules and understand open source Snort language. The primary audience for this course includes:

Security administrators
Security consultants
Network administrators
System engineers
Technical support personnel
Channel partners and resellers

Course Benefits

Upon completion of this course, you should be able to:

Understand rule structure, rule syntax, rule options, and their usage
Configure and create Snort rules
Understand the rule optimization process to create efficient rules
Understand preprocessors and how data is presented to the rule engine
Create and implement functional Regular Expressions in Snort rules
Design and apply rules using byte_jump/test/extract rule options
Understand the concepts behind protocol modeling to write rules that perform better

Course Topics

Module 1: Welcome to the Sourcefire Virtual Network
Module 2: Basic Rule Syntax and Usage
Module 3: Rule Optimization
Module 4: Using PCRE in Rules
Module 5: Using Byte_Jump/Test/Extract Rule Options
Module 6: Protocol Modeling Concepts and Using Flowbits in Rule Writing
Module 7: Case Sudies in Rule Writing and Packet Analysis
Module 8: Rule Performance Monitoring
Module 9: Rule Writing Practiceal Labs, Exercises, and Challenges

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