Mastering Modern Web Penetration Testing

Prakhar Prasad

• Verlag: Packt Publishing
• Jahr: 2016
• ISBN:
  9781785284588
• Auflage: 1
• Thema: Informatique
• Thema: Développement Web

Master the art of conducting modern pen testing attacks and techniques on your web application before the hacker does!

About This Book

• This book covers the latest technologies such as Advance XSS, XSRF, SQL Injection, Web API testing, XML attack vectors, OAuth 2.0 Security, and more involved in today's web applications
• Penetrate and secure your web application using various techniques
• Get this comprehensive reference guide that provides advanced tricks and tools of the trade for seasoned penetration testers

Who This Book Is For

This book is for security professionals and penetration testers who want to speed up their modern web application penetrating testing. It will also benefit those at an intermediate level and web developers who need to be aware of the latest application hacking techniques.

What You Will Learn

• Get to know the new and less-publicized techniques such PHP Object Injection and XML-based vectors
• Work with different security tools to automate most of the redundant tasks
• See different kinds of newly-designed security headers and how they help to provide security
• Exploit and detect different kinds of XSS vulnerabilities
• Protect your web application using filtering mechanisms
• Understand old school and classic web hacking in depth using SQL Injection, XSS, and CSRF
• Grasp XML-related vulnerabilities and attack vectors such as XXE and DoS techniques
• Get to know how to test REST APIs to discover security issues in them

In Detail

Web penetration testing is a growing, fast-moving, and absolutely critical field in information security. This book executes modern web application attacks and utilises cutting-edge hacking techniques with an enhanced knowledge of web application security.

We will cover web hacking techniques so you can explore the attack vectors during penetration tests. The book encompasses the latest technologies such as OAuth 2.0, Web API testing methodologies and XML vectors used by hackers. Some lesser discussed attack vectors such as RPO (relative path overwrite), DOM clobbering, PHP Object Injection and etc. has been covered in this book.

We'll explain various old school techniques in depth such as XSS, CSRF, SQL Injection through the ever-dependable SQLMap and reconnaissance.

Websites nowadays provide APIs to allow integration with third party applications, thereby exposing a lot of attack surface, we cover testing of these APIs using real-life examples.

This pragmatic guide will be a great benefit and will help you prepare fully secure applications.

Style and approach

This master-level guide covers various techniques serially. It is power-packed with real-world examples that focus more on the practical aspects of implementing the techniques rather going into detailed theory.

Mastering Modern Web Penetration Testing

---

Table of Contents

Mastering Modern Web Penetration Testing

Credits

About the Author

About the Reviewer

www.PacktPub.com

eBooks, discount offers, and more

Why subscribe?

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Common Security Protocols

SOP

Demonstration of the same-origin policy in Google Chrome

Switching origins

Quirks with Internet Explorer

Cross-domain messaging

AJAX and the same-origin policy

CORS

CORS headers

Pre-flight request

Simple request

URL encoding – percent encoding

Unrestricted characters

Restricted characters

Encoding table

Encoding unrestricted characters

Double encoding

Introducing double encoding

IIS 5.0 directory traversal code execution – CVE-2001-0333

Using double encoding to evade XSS filters

Base64 encoding

Character set of Base64 encoding

The encoding process

Padding in Base64

Summary

2. Information Gathering

Information gathering techniques

Active techniques

Passive techniques

Enumerating Domains, Files, and Resources

Fierce

theHarvester

SubBrute

CeWL

DirBuster

WhatWeb

Maltego

Wolfram Alpha

Shodan

DNSdumpster

Reverse IP Lookup – YouGetSignal

Pentest-Tools

Google Advanced Search

Summary

3. Cross-Site Scripting

Reflected XSS

Demonstrating reflected XSS vulnerability

Reflected XSS – case study 1

Reflected XSS – case study 2

Stored XSS

Demonstrating stored XSS

Stored XSS through Markdown

Stored XSS through APIs

Stored XSS through spoofed IP addresses

Flash-based XSS – ExternalInterface.call()

HttpOnly and secure cookie flags

DOM-based XSS

XSS exploitation – The BeEF

Setting Up BeEF

Demonstration of the BeEF hook and its components

Logs

Commands

Rider

Xssrays

IPec

Network

Summary

4. Cross-Site Request Forgery

Introducing CSRF

Exploiting POST-request based CSRF

How developers prevent CSRF?

PayPal's CSRF vulnerability to change phone numbers

Exploiting CSRF in JSON requests

Using XSS to steal anti-CSRF tokens

Exploring pseudo anti-CSRF tokens

Flash comes to the rescue

Rosetta Flash

Defeating XMLHTTPRequest-based CSRF protection

Summary

5. Exploiting SQL Injection

Installation of SQLMap under Kali Linux

Introduction to SQLMap

Injection techniques

Dumping the data – in an error-based scenario

Interacting with the wizard

Dump everything!

SQLMap and URL rewriting

Speeding up the process!

Multi-threading

NULL connection

HTTP persistent connections

Output prediction

Basic optimization flags

Dumping the data – in blind and time-based scenarios

Reading and writing files

Checking privileges

Reading files

Writing files

Handling injections in a POST request

SQL injection inside a login-based portal

SQL shell

Command shell

Evasion – tamper scripts

Configuring with proxies

Summary

6. File Upload Vulnerabilities

Introducing file upload vulnerability

Remote code execution

Multi-functional web shells

Netcat accessible reverse shell

The return of XSS

SWF – the flash

SVG images

Denial of Service

Malicious JPEG file – pixel flood

Malicious GIF file – frame flood

Malicious zTXT field of PNG files

Bypassing upload protections

Case-sensitive blacklist extension check bypass

MIME content type verification bypass

Apache's htaccess trick to execute benign files as PHP

SetHandler method

The AddType method

Bypassing image content verification

Summary

7. Metasploit and Web

Discovering Metasploit modules

Interacting with Msfconsole

Using Auxiliary Modules related to Web Applications

Understanding WMAP – Metasploit's Web Application Security Scanner

Generating Web backdoor payload with Metasploit

Summary

8. XML Attacks

XML 101 – the basics

XML elements

XML Attributes

XML DTD and entities

Internal DTD

External DTD

Entities

Entity declaration

XXE attack

Reading files

PHP Base64 conversion URI as an alternative

SSRF through XXE

Remote code execution

Denial of Service through XXE

XML quadratic blowup

XML billion laughs

The quadratic blowup

WordPress 3.9 quadratic blowup vulnerability – Case Study

Summary

9. Emerging Attack Vectors

Server Side Request Forgery

Demonstrat...