Book Image

Advanced Penetration Testing for Highly-Secured Environments, Second Edition - Second Edition

By : Lee Allen, Kevin Cardwell
Book Image

Advanced Penetration Testing for Highly-Secured Environments, Second Edition - Second Edition

By: Lee Allen, Kevin Cardwell

Overview of this book

The defences continue to improve and become more and more common, but this book will provide you with a number or proven techniques to defeat the latest defences on the networks. The methods and techniques contained will provide you with a powerful arsenal of best practices to increase your penetration testing successes. The processes and methodology will provide you techniques that will enable you to be successful, and the step by step instructions of information gathering and intelligence will allow you to gather the required information on the targets you are testing. The exploitation and post-exploitation sections will supply you with the tools you would need to go as far as the scope of work will allow you. The challenges at the end of each chapter are designed to challenge you and provide real-world situations that will hone and perfect your penetration testing skills. You will start with a review of several well respected penetration testing methodologies, and following this you will learn a step-by-step methodology of professional security testing, including stealth, methods of evasion, and obfuscation to perform your tests and not be detected! The final challenge will allow you to create your own complex layered architecture with defences and protections in place, and provide the ultimate testing range for you to practice the methods shown throughout the book. The challenge is as close to an actual penetration test assignment as you can get!
Table of Contents (19 chapters)
Advanced Penetration Testing for Highly-Secured Environments Second Edition
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Index

SNMP – a goldmine of information just waiting to be discovered


Simple Network Management Protocol (SNMP) is commonly mismanaged by busy administrators and developers. Frequently, you will see default community strings or community strings that are reused throughout the entire organization you are testing. You will want to ensure that your clients are using the most secure version of SNMP and that you cannot simply walk in to a building, unplug a phone, and sniff the community string. Newer versions of SNMP include strong encryption to avoid such flaws.

When the SNMP community string is NOT "public"

More than likely you will not find many community strings that are set at default. That is when you must dig into your toolset and earn your pay. There are many utilities that assist in actions such as brute forcing SNMP community names. One favorite is onesixtyone. This scanner is fast and efficient and will send requests in parallel to speed things up.

Tip

Keep the following in mind when testing...