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How To: Security-Oriented C Tutorial 0x08 - A Trip Down Memory Lane

Before I continue with a topic on strings, we first require some fundamental understanding of how memory works, i.e. what it is, how data looks in memory, etc. as this is crucial when we are analyzing vulnerabilities and exploitation. I highly suggest that your mind is clear and focused when reading the following article because it may prove to be confusing. Also, if you do not understand something, please verify all of your doubts, otherwise you may not completely understand when we touch on...

How To: Grab All the Passwords

This is a short explanation and tutorial on how to grab saved passwords from Google Chrome, ideally from a meterpreter session. The idea behind this is to understand how saved passwords work and how to keep them safe. Let's have some fun :D Understanding Google Chrome Saved Passwords

How To: Writing 64-Bit Shellcode - Part 2 (Removing Null-Bytes)

Welcome to the sequel to the latest post on writing 64 bit shellcode! This tutorial will assume that you are aware of everything mentioned in the last one, as I will try to make this tutorial void of formalities and straight to the point! If you have not read the last one, I suggest doing so unless you are familiar with basic assembly programming and system calls. This is by no means rocket science, so therefore I will simply repeat my TL;DR from last time before we get started, so that the a...

The Sony Hack: Thoughts & Observations from a Real Hacker

By now, nearly everyone with any type of media access is aware that Sony Pictures Entertainment was hacked on November 24th. Although there can be many interpretations and lessons drawn from this audacious act, there is one indisputable conclusion: it and its ripples across the globe underlines how important hacking has become in our all-digital 21st century. As I have emphasized so many times in this column, hacking is the discipline of the future. From cybercrime to cyber intelligence to cy...

How To: Fix the Battery Draining Issue on Your iPhone After Updating to iOS 6.1.3

When the 6.1 version of iOS was released back in February, complaints of severe battery drainage for iPhone, iPad, and iPod touch users exploded onto every Apple-related forum on the Internet. Everyone was either losing a percentage every three or so minutes, or their battery only lasted half as long as it did before the update. Earlier this month, Apple released iOS version 6.1.3, to supposedly fix a recent exploit that allowed anyone to bypass the lock screen—but as it turns out, the update...

How To: Tether and use your MetroPCS phone for internet access

This video will show you how to tether your Samsung Messager 2, (the MetroPCS phone) to your PC to use as a modem for internet access. This will allow you to use your cell phone as your internet connection point, meaning you'll connect to the net for the cost of your cell phone's data plan. You will need your Samsung USB cable, a PC with Windows 2000 or higher, all current drivers for your phone and PC, and you will also need to head here to get the Samsung PC Studio program. This is part 1 o...

How To: Make art on YoVille whiteboard

YoVille is a pretty cool game, but wouldn't it be cooler if you could get in and tweak a few things? Maybe make some art? Well, you can! This how-to takes you through the steps to let you make your own art on the whiteboard in the game. You can find the necessary file here.

How To: Use the SUMIF function with an array in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 694th installment in their series of digital spreadsheet magic tricks, you'll learn how the SUMIF function (and COUNTIF, etc.) cannot accept arrays. If you need to sum by year from transactional data the SUMIF and YEAR functions cannot be used together. Instead we can use the SUMPRODUCT function.

How To: Replace an XBox hard drive with a larger one

If you still own and use an original XBox console, good for you! You've got a little piece of history right there that most people just tossed or sold to a game store for $10. This video will show you how to replace the paltry 8gb hard drive that the console came with with a big honking 120gb drive. This will allow you to store more data, and since hacking the original XBox is the best reason to keep it around at this point, you should probably make sure that you can do that.

How To: Transfer data between XBox 360 removable hard drives

If you are unfortunate enough to own one of the XBox 360's that shipped with a 20gb hard drive, then you've realized that that is way to little storage for everything that you want to have on your XBox. If you've decided to buy a larger drive from Microsoft, this video will show you how to transfer your precious saves and other files from the old hard drive to the new one using a transfer kit. Now you can buy as many downloadable games as you want or even install your disc games on the hard d...

How To: Create a website and improve web presence

When you need a website to showcase your product or service, it can be quite confusing. Follow these easy steps to gather everything you need to have a successful website. Start your search for a domain name in the domain name registrar. (Example: www.companyname.com) Rent space from a hosting company to hold the files for your website. Set up an email account for your company. Create the content for your website (example: products, prices, services, etc). Get internet security to protect sen...

How To: Create an RSS feed using XML code and RSS Builder

This instructional video shows you how to make a RSS ("Really Simple Syndication") feed using the free program RSS builder. RSS is a script that can be put up on a website that other users can subscribe to in order to get notified when the website gets updated. The xml code behind creating RSS feeds is explained. The code should be entered as shown and the file should be saved as "feed.xml" and upload it to a web server. Go to the URL mentioned, download and install RSS builder. Launch the pr...

How To: Work with sections in Pages '09

Check out this informative video tutorial from Apple on how to work with sections in Pages '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts are easy in Pages. Numbers gives you simple ways to make sense of your data. You'll captivate your audience with new and sophisticated features in Keynote.

How To: Use outline mode in Pages '09

Check out this informative video tutorial from Apple on how to use outline mode in Pages '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts are easy in Pages. Numbers gives you simple ways to make sense of your data. You'll captivate your audience with new and sophisticated features in Keynote.

How To: Use full-screen view in Pages '09

Check out this informative video tutorial from Apple on how to use full-screen view in Pages '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts are easy in Pages. Numbers gives you simple ways to make sense of your data. You'll captivate your audience with new and sophisticated features in Keynote.

How To: Create and edit charts in Pages '09

Check out this informative video tutorial from Apple on how to create and edit charts in Pages '09. iWork '09, the office productivity suite from Apple, is the easiest way to create documents, spreadsheets, and presentations. Writing and page layouts are easy in Pages. Numbers gives you simple ways to make sense of your data. You'll captivate your audience with new and sophisticated features in Keynote.