Hi everyone! Last time we finished analyzing the assembly representation of our vulnerable piece of code (have I ever told you it is vulnerable?). This time we are going to introduce some fundaments about exploitation by demonstrating how to crash a program's execution. If that sounds lame, next time we will see how this crash can in fact be useful to control the program's execution, achieving remote code execution!
Hi everyone! Last time we explained what roles Ebp and Esp registers have. We first introduced function's stack frame building, return address and calling conventions, but left some of the concepts floating without a full stop.
Hi everyone! After messing around a little bit with IDA and Hopper disassemblers and briefly introducing you to memory, registers and Assembly, we are going to understand what happens when a process is running, which variables join the play and especially what happens when a function is called and why is this procedure-logic so interesting and useful along with the concept of stack.
Seldom in recent history has a cyber security event caused so much media stir (maybe because it happened to a media company?) and international relations upheaval. Cyber security breaches seem to take place daily of major corporations, but the Sony hack seems to have captured the American imagination and, for that matter, the whole world's attention.
As was mentioned by the great OTW last week, TOR, aka The Onion Router, has had its integrity attacked by the NSA. In an attempt to reduce the anonymity granted by the service, the NSA has opened a great many nodes of their own. The purpose is presumably to trace the origin of a communication by compromising some entrance and exit nodes. Once both are compromised, it is much easier to correlate traffic with a particular individual.
The Asylum Demon boss fight in Dark Souls showcases yet another demon with a giant weapon. You'll need to be able to dodge his jumps and mace attacks if you're planning on defeating him. This video walkthrough will show you how to quickly beat the boss.
A recent addition to Mortal Kombat 9 in the form of DLC has reintroduced several classical features of Scorpion, Sub-Zero, and Reptile including some of the more traditional fatalities. Take a look at this video from the Achievement Hunter team and watch for the commands necessary to perform each of these violent attacks.
Keep your Runescape account safe from hackers by following the instructions in this video. Don't get hacked by giving your password away or using unsafe websites. Watch this video and learn how to take precautions against hackers so you can enjoy Runescape worry free.
Are you working on a zombie movie and need to step your gore up? Or do you just want to scare your friends with an ultra-realistic halloween costume? Check out this video that shows you how to apply a prosthetic.
Are you interested in developing your artistic talents? Have you got great ideas for cartoons but not enough technical know-how to make them come to life? This video will show you to draw a cartoon cat that will jump right off the page.
As Desmond travels into the past, he discovers some strange layered memories hidden within Ezio's consciousness. And then as Ezio, you must journey to Roma and confront the forces of the Borgia Pope, who has brought your family under attack.
The boomerang wielding Nomad is good at both ranged stun attacks and crowd control, and can be adapted to fit a variety of play styles. Here's how to integrate Nomad into your own team matches when you play Bloodline Champions.
King Dedede is the final boss in Snow Land in Kirby's Epic Yarn. He's one of the tougher bosses to defeat, since grabbing the buttons to defeat him can be challenging. Fortunately, his hammer attack is fairly easy for Kirby to dodge!
Halo Reach is newest edition to come out from the "Halo" series, featuring really cool advanced CGI and super fast attack vehicles called ghosts. These cars look almost like gigantic beetles, with a pod-like midsection and two wings on the side.
Want to be the best spear fighter you can be? This tutorial show you two basic shots you can make when wielding a foam spear on the fields of battle at your next boffer larp. You're also shown how you can thwart a javelin shot with a spear.
If you or someone you love is undergoing heart surgery in the near future, it's important that you have a solid grasp of the potential complications such that you can do everything in your power to avoid them. In this brief medical-minded tutorial from ICYou, you'll learn about a few of the most common complications including bleeding, infection, damage to blood vessels, heart damage, heart attacks or strokes.
In this clip, you'll learn about how to prevent SQL injection when writing code in PHP. Whether you're new to the PHP: Hypertext Preprocessor scripting language or are a seasoned web developer merely looking to improve your chops, you're sure to find benefit in this free video programming lesson. For more information, including detailed, step-by-step instructions, take a look.
In this God of War 3 tutorial, discover what it takes to complete the Knockout Challenge. It's easy to complete and requires you to do two things:
Computers are vulnerable to all kinds of viruses, hacks and other attacks that can do serious damage and cost you money. Make sure your version of Windows is the real deal and protect it from counterfeiters by making it genuine. This video will show you how to make Windows XP genuine.
Grab some paper, pennies, and paper clips, and create this stealth weapon in the comfort of your own bedroom. Scaled to actual size, this craftable katana can be used to fend off paper-based attacks, or displayed for decoration. Add as many, or as few, foldable components to customize your sword size.
Spidering enables you to maintain a position of power, where you can pass, shoot or move quickly. Spidering is the position where one hand is sculling, and both legs are doing eggbeaters. This is a standard water polo position for both attack and defense.
Shooting in water polo is a basic skill for attackers. Water polo shot requires good height out of the water, arm position, shoulder rotation, and head stall. Shot strategy is important to building your water polo game. Concentrate on improving your rotation to follow through and speed up the shot. This is an attack focused water polo drill.
The famous ADSR Envelope (Attack, Decay, Sustain and Release)... It's seen in almost every virtual instrument or software synthesizer from Albino to Halion to SampleTank to Z3ta but do you know what it does?
This is the set up I use for the straight jacket submission when someone defends the gogoplata. This submission attacks the shoulders depending on how flexible you are. There are a couple of ways to set this up.
This tutorial shows you how to path Artificial Intelligence monsters in Unreal Engine 3 for Gears of War. This allows them to move around and get them to attack players.
It's Jaws! No it's just face paint, but watch this video to learn the tricks and tips to apply face paint and look like a shark!
Today's word is "thwart". This is a verb which means to prevent from accomplishing a purpose or a plan. For example, you can say "The police thwarted three terrorist attacks at LAX last month."
After a series of quarte disengage attacks, Bijan takes several counter-ripostes before finishing with a fleche. (For those striving for perfection--He's too close when I'm coming forward/hand is too far back in his sixte parry & he's not fully stretched in the fleche--Aside from these things, I think Bijan has admirable form but I'm his coach & biased...)
This is a tutorial on how to access characters command list in Mugen - the custom PC game engine - to see how to perform special attacks and basic moves.
This video will teach you the basics of ping pong. Includes simple strokes and attacking and defending strategy.
This video is a step-by-step analysis of each of the moves of the first bo kata, shu shi no kon, including what attack you are blocking and striking point on the opponent. A great way to learn these moves.
This ice hockey tutorial shows you how to do a slap shot. This is an excellent attack play, but be warned, it is the hardest shot a player can generate, requiring full windup with the stick.
Jesse Hubbard discusses the mechanics of shooting and discusses and illustrates the different lacrosse shots. These are the sidearm shot, the 3/4 arm shot, sidearm shot, overhand shot and outside shot, and bounce shot. He also discusses how to shoot on the run. Tips appear throughout the video in the form of pop-ups and are summarized with sidebars.
Dragon Age 2 is the latest fantasy RPG from the folks at Bioware, and if you're watching this video you've probably either just gotten it or are thinking about it. Check out the vid for a walkthrough of the prologue quest, Destruction of Lothering.
They are after you from all over the globe. Looking for ways to exploit you. Ways to hurt you. Not political terrorists, but rather "info terrorists." Each month thousands of websites get hacked into and have hidden links inserted into the pages by people wanting their spam sites to rank highly in the search engines.
It's nearly impossible not to be at least somewhat familiar with Microsoft Excel. While it's needed for many office jobs and data analysis fields, hackers could also benefit from improving their spreadsheet skills. Many white hats already know some of the essential Excel hacks, such as cracking password-protected spreadsheets, but there's so much more to know from an attack standpoint.
The price of hacking Wi-Fi has fallen dramatically, and low-cost microcontrollers are increasingly being turned into cheap yet powerful hacking tools. One of the most popular is the ESP8266, an Arduino-programmable chip on which the Wi-Fi Deauther project is based. On this inexpensive board, a hacker can create fake networks, clone real ones, or disable all Wi-Fi in an area from a slick web interface.
One of the best ways to improve your skills as a hacker is to learn to combine different avenues of attack to achieve success. What if it were possible to get a victim to connect to our machine and execute a chosen payload on our behalf? This is indeed possible with the almighty Metasploit and the aid of a technique known as command injection.
It's always a good idea to know how an attack works at the very basic level. Manual techniques for exploitation often find holes that even the most sophisticated tool cannot. Sometimes, though, using one of these tools can make things so much easier, especially if one has a solid foundation of how it works. One such tool can help us perform a cross-site request forgery with minimal difficulty.
In its latest feature with an assist from augmented reality in storytelling, the New York Times shows readers the virtual crime scene it constructed to prove that the Syrian military conducted chemical warfare against its citizens.
