By Mario Heiderich, Eduardo Alberto Vela Nava, Gareth Heyes, David Lindsay

Web functions are used each day by way of thousands of clients, that is why they're probably the most well known vectors for attackers. Obfuscation of code has allowed hackers to take one assault and create hundreds-if now not millions-of variations which could stay clear of your safety features. Web program Obfuscation takes a glance at universal internet infrastructure and protection controls from an attacker's point of view, permitting the reader to appreciate the shortcomings in their protection platforms. learn how an attacker could pass kinds of protection controls, how those very safety controls introduce new different types of vulnerabilities, and the way to prevent universal pitfalls with a view to increase your defenses.

  • Named a 2011 most sensible Hacking and Pen trying out publication by way of InfoSec Reviews
  • Looks at protection instruments like IDS/IPS which are frequently the single security in keeping delicate facts and assets
  • Evaluates net software vulnerabilties from the attacker's standpoint and explains how those very platforms introduce new varieties of vulnerabilities
  • Teaches tips on how to safe your facts, together with information on browser quirks, new assaults and syntax tips to upload for your defenses opposed to XSS, SQL injection, and more

Show description

Quick preview of Web Application Obfuscation: '-/WAFs..Evasion..Filters//alert(/Obfuscation/)-' PDF

Best Web Development books

Joe Celko's Thinking in Sets: Auxiliary, Temporal, and Virtual Tables in SQL (The Morgan Kaufmann Series in Data Management Systems)

Completely clever programmers usually fight whilst pressured to paintings with SQL. Why? Joe Celko believes the matter lies with their procedural programming frame of mind, which retains them from taking complete good thing about the ability of declarative languages. the result's overly advanced and inefficient code, let alone misplaced productiveness.

Internet & World Wide Web How to Program (3rd Edition) (How to Program (Deitel))

The objective of Deitel & affiliates, Inc. 's web & world-wide-web the way to application, 3/e is to introduce readers with very little programming adventure to the interesting global of Web-based functions. This accomplished booklet with accompanying CD-ROM teaches the basics had to software on the net.

Python Web Development with Django

Utilizing the easy, strong, Python-based Django framework, you could construct strong internet strategies with remarkably few traces of code. In Python internet improvement with Django®, 3 skilled Django and Python builders conceal the entire strategies, instruments, and ideas you want to utilize Django 1. zero, together with the entire significant beneficial properties of the hot unlock.

PHP Advanced and Object-Oriented Programming: Visual QuickPro Guide (3rd Edition)

Readers can take their personal home page abilities to the following point with this absolutely revised and up to date Hypertext Preprocessor complex: visible QuickPro consultant, 3rd version! packed with fourteen chapters of step by step content material and written by way of bestselling writer and personal home page programmer Larry Ullman, this advisor teaches particular themes in direct, concentrated segments, exhibits how personal home page is utilized in real-world purposes.

Additional info for Web Application Obfuscation: '-/WAFs..Evasion..Filters//alert(/Obfuscation/)-'

Show sample text content

The most robust and well known of those tasks is named Suhosin, which was once created through Stefan Esser, an ex-member of the Hypertext Preprocessor middle crew. (It is fun to persist with the discussions which ended in Esser's go out from the crew and his next construction of the Suhosin undertaking, however the language used may not be appropriate for the faint of middle. ) So, to prevent getting caught within the heritage of Hypertext Preprocessor and its numerous vulnerabilities, allow us to examine how we will be able to get Hypertext Preprocessor code working on an online server. A CLI module is out there, yet we can't concentrate on it. considering that Hypertext Preprocessor documents are being parsed every time they're asked, the language seriously isn't the quickest technique to convey interactive content material in net functions. there are many ways to house that factor, between them caching engines similar to XCache, substitute personal home page Cache (APC), and related recommendations, in addition to fascinating initiatives reminiscent of HipHop (HPHP), designed and applied by means of the fb improvement staff to generate binary documents from entire Hypertext Preprocessor internet purposes to tremendously bring up site functionality. Obfuscation in Hypertext Preprocessor There are numerous how one can execute personal home page code once personal home page has been put in. probably the most universal and easiest-to-use configurations is called LAMP, which stands for Linux, Apache, MySQL, and Hypertext Preprocessor. For the code samples during this bankruptcy, the Apache 2. 2. 12 server and personal home page five. 2. 10—2ubuntu6. three have been used basically. many of the code examples use the hot positive aspects brought in personal home page five. three (which used to be now not on hand as a packaged model on the time of this writing). different code examples during this bankruptcy will paintings easily in basic terms whilst Hypertext Preprocessor mistakes reporting is switched off, that's often the case on construction servers and stay sites. should you wouldn't have a personal home page setting within which to run your individual personal home page obfuscation assessments, stopover at http://codepad. org, which supplies a loose instrument for comparing arbitrary personal home page code. loads of different languages are supported in addition. For personal home page, make sure to input beginning delimiters, comparable to AddType application/x-httpd-php. personal home page. phtml. php3 AddType application/x-httpd-php-source. phps you will find that snippet of code connecting dossier extensions with the runtime on your net server configuration dossier or folder, reckoning on the working method distribution getting used. within the following examples, we'll imagine our try out records are suffixed with a. Hypertext Preprocessor extension. In a few occasions, we'll tamper with this extension to teach how one can smuggle in documents with varied extensions and feature them be parsed and performed through personal home page. We observed a truly atavistic instance of personal home page code coming from the darkish a while of PHP/FI at first of this bankruptcy.

Download PDF sample

Rated 4.77 of 5 – based on 38 votes