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Guidelines for Preparation and Testing

Understanding how target applications are built, as discussed in Chapter 1, Common Web Applications and Architectures, will certainly help us go further than a cursory pen test. All of this understanding can be a double-edged sword. More complex applications can overwhelm the most technically skilled testers. When we're testing, we need to ensure we are covering the entire scope of the requirements. It may be tempting to do this on-the- fly, but if you are anything like me, we're going to need to have a plan. Having a rigorous process and well-understood rules will help us provide consistent, valuable information to our customers. This extra formal treatment will also ensure we get full coverage of the scope that we've agreed upon with our customers.

These plans can exist as either a part of the customer's process or as...

Key benefits

-Make the most out of advanced web pen-testing techniques using Kali Linux 2016.2

-Explore how Stored (a.k.a. Persistent) XSS attacks work and how to take advantage of them

-Learn to secure your application by performing advanced web based attacks.

-Bypass internet security to traverse from the web to a private network.

Description

You will start by delving into some common web application architectures in use, both in private and public cloud instances. You will also learn about the most common frameworks for testing, such as OWASP OGT version 4, and how to use them to guide your efforts. In the next section, you will be introduced to web pentesting with core tools and you will also see how to make web applications more secure through rigorous penetration tests using advanced features in open source tools. The book will then show you how to better hone your web pentesting skills in safe environments that can ensure low-risk experimentation with the powerful tools and features in Kali Linux that go beyond a typical script-kiddie approach. After establishing how to test these powerful tools safely, you will understand how to better identify vulnerabilities, position and deploy exploits, compromise authentication and authorization, and test the resilience and exposure applications possess. By the end of this book, you will be well-versed with the web service architecture to identify and evade various protection mechanisms that are used on the Web today. You will leave this book with a greater mastery of essential test techniques needed to verify the secure design, development, and operation of your customers' web applications.

What you will learn

• Establish a fully-featured sandbox for test rehearsal and risk-free investigation of applications

• Enlist open-source information to get a head-start on enumerating account credentials, mapping potential dependencies, and discovering unintended backdoors and exposed information

• Map, scan, and spider web applications using nmap/zenmap, nikto, arachni, webscarab, w3af, and NetCat for more accurate characterization

• Proxy web transactions through tools such as Burp Suite, OWASP s ZAP tool, and Vega to uncover application weaknesses and manipulate responses

• Deploy SQL injection, cross-site scripting, Java vulnerabilities, and overflow attacks using Burp Suite, websploit, and SQLMap to test application robustness

• Evaluate and test identity, authentication, and authorization schemes and sniff out weak cryptography before the black hats do

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