Block Website Address Using Vb.Net

While it may not sound scary right off the bat, Blue Coat Systems now has an intermediate certificate authority. If you don't know what a certificate authority (CA) is, or who Blue Coat is, who cares, right? But you should... whether you use Mac or Windows. Blue Coat is notor ...more

I have came across a lot of members on the forum that didn't have a clear idea of what port forwarding is and what it does. So...Let's get started... Your router is blocking outside traffic from coming inside the network for security reasons (Kind of, like, a firewall level), ...more

A VPN service is almost an essential these days. Good ones can block ads, prevent tracking cookies, encrypt your internet traffic for better security, and even spoof your device's location to bypass geo-restrictions — all things you should be concerned about in the age of NSA ...more

I'm an Android user. Over the course of the past seven years, I've owned ten different smartphones—all of them powered by Android. This isn't due to some blind trust in Google or some unfounded hate for Apple, either, because I've always made sure to get my hands on each iPhon ...more

Hello everybody. I'm back with Part-2 of this series. In this part we will be programming in C our server and i will be explaining one more "key concept" so everybody got a better understanding on this. Ok first let's see that concept. Little Endian and Big Endian So, as pe ...more

The desktop browser market has some stiff competition going on, but Opera has always been able to maintain its market share by offering innovative features such as a data saver option. With over 350 million users, it's safe to say folks are appreciative of the efforts being ma ...more

One of Android's biggest strengths is its ability to interact with other operating systems. When you plug your phone into your Windows PC, you instantly see all of the files it holds—and all it takes is a simple syncing app to do the same with Mac. To top that off, apps like P ...more

Virtual reality headsets are all the rage these days, and among the menagerie of tech companies gunning for the top spot, there's one mysterious startup that is ahead of the game—Magic Leap—and you can tell just by watching their latest demo video of their product in action. V ...more

Most of you lot would be aware what WPA/WPA2 is so I won't bang on about the encryption or protocols a great deal. In short WPA and WPA2 both have a maximum of 256bit encrypted with a maximum of 64 characters in the password. The encryption is really only 64bit but x 4 because ...more

Welcome back my, tenderfoot hackers! Many people come to Null Byte looking to hack Facebook without the requisite skills to do so. Facebook is far from unhackable, but to do so, you will need some skills, and skill development is what Null Byte is all about. Sometimes, if yo ...more

Hello everyone! This is my first attempt at a tutorial here. There are a couple great assembly tutorials here, and I wanted to toss my coin in the fountain. I figured, the more tuts the better, as I had trouble learning assembly in the beginning and had to read alot of tutori ...more

Pretty much every note you save on your computer, phone, or tablet can be uploaded to your cloud and viewed on any of your devices. But what about those notes you write down on actual paper? Well, those notes can also be cloud-friendly, thanks to the Rocketbook Wave. Video: . ...more

Welcome back, my tenderfoot hackers! Generally, you will want to perform a vulnerability scan before doing a penetration test. Vulnerability scanners contain a database of all known vulnerabilities and will scan your machine or network to see whether those vulnerabilities app ...more

Mobile data is expensive. The internet connection that comes with your cell phone plan is generally limited to a certain amount of gigabytes that can be downloaded before your monthly cap kicks in, at which point you run the risk of incurring costly overage fees. Luckily, tho ...more

Google Maps, once considered superior to Apple Maps, has contributed to a terrible mistake for one woman. A group of demolition workers in Texas were using the service to find a worksite, and to the dismay of homeowner Lindsay Diaz, Google was entirely inaccurate. The home sc ...more

Welcome back, my tenderfoot hackers! As you should know from before, Snort is the most widely deployed intrusion detection system (IDS) in the world, and every hacker and IT security professional should be familiar with it. Hackers need to understand it for evasion, and IT se ...more

Hello ladies and gentlemen, I'm back with another informative(hopefully) article for you all. Once again I would like to apologize for my absence for about a week or so. I have some stuff going on with my life and university and I haven't found enough time to make a fully in-d ...more

Alright so last time I gave you a homework assignment. This week we're gonna look at my version of the UDP-Flooder. It can be found here. Alright, I assume you've written yours or at least attempted to. First let's take a look at the struct used in this program struct sock ...more

So, you want to perform an exploit on a victim, but you're not on the same network as their machine. In this tutorial, I'll be showing you how to set up a meterpreter reverse_tcp attack to work over the internet. Understanding the Process Here is the connection we wish to es ...more

Welcome aboard my inquisitive comrades. I am starting a new series that nobody expected coming. It may not seem very exciting at first, but await the last few parts as many startling discoveries will be made. This is a series which I plan to continue after the completion of N ...more

The Google Now on Tap feature puts the power of Google Search inside each and every application on your Marshmallow-powered device, allowing you to retrieve contextual results based on the content on your screen. Aside from results, Now on Tap can also perform certain actions ...more

Greetings my fellow hackers. As you may have noticed by my lack of posts, I've been away for a while working on a big project with a team (which won't be finished anytime soon), and I have also been putting together a small side project for Null-Byte that I will be announcing ...more

Although they're often times the primary source of income for websites, on-site advertisements can annoy even the most tolerable reader. That's why ad blockers have been some of the most popular downloads on Firefox and Chrome for some time now, demonstrating that when it come ...more

Welcome back, my greenhorn hackers! Over the years, I have written many articles here on Null Byte chronicling the many the hacks of the NSA, including the recent hack of the Juniper Networks VPN. (By the way, my speculation in that article has proven to be correct. The NSA d ...more

When performing something such as a mass mailer attack on a company, sending executables usually isn't the best option. That's why, in this tutorial, I'll be teaching you how to code a VBA script macro into a Word document in order to compromise a system. Combined with a littl ...more

Step 1: What Exploit Development Is and Why Should I Be Interested on About This Topic An exploit is a piece of software, a chunk of data, or a sequence of commands that takes advantage of a bug or vulnerability in order to cause unintended or unanticipated behavior to occur ...more

Hey guys, in this tutorial, we are going to learn about the heap segment and how to use it for storing data in our programs. We will also go into the details of its use in conjunction with the char pointer and struct data types. The Heap We've already discussed the stack in ...more

Most of you probably heard about Rasberry Pi and if you haven't; what is wrong with you? But nothing less a Rasberry Pi is a computer a very small computer. Despite these size limitations, the Rasberry Pi is to not be underestimated. Not only can it do anything like a normal l ...more

Greetings to all geeks, hackers, nerds, and explorers of Null Byte. Welcome to my brand new tutorial, "Using BASH for Computer Forensics". This tutorial will give you a look at how the computer programming language, Bash, can be used to find out details on apple devices for la ...more

Welcome fellow Null-Byters! Sorry for the delay, this time of the year can be hectic for all of us. Hopefully this will not happen again. In this "tutorial" we will go over more styling and make our page look even better! In this "tutorial" we will be learning: Divs Aligning ...more

If you've been visiting websites of ill repute, or if you've been Christmas shopping and don't want to spoil the surprise, it would be a disastrous situation if anyone were to come across your browsing history. Visited sites, cookies, and cache can paint a very clear picture o ...more

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 a ...more

Have you ever used an open wifi, which after you connect displays a website to enter your credentials to get internet? That website is called captive portal and widely used in airports, hotels, universities etc. Have you ever wondered what would happen if someone would set up ...more

Windows 10 universal apps are actually pretty awesome—regardless of if you're using a desktop, laptop, tablet, or convertible, the same app automatically scales up or down to suit your device. Definitely cool, but the Windows Store is pretty bare-bones as it stands, so the dow ...more

3D Touch on the iPhone 6S and 6S Plus is a pretty cool feature, and will only get better as more developers begin to roll its functionality into their apps. Almost as soon as it was announced, the idea to create an app that used 3D Touch to weigh objects was in the works. Unf ...more

Social engineering is a pretty important item in a hacker's toolkit. In Mr robot there was a time, we saw Elliot using social engineering to gain access to his therapist's boyfriend's email and bank accounts by calling him and pretending to be someone from his bank, then Elli ...more

Hi I am a new member of null byte(although I am reading this website from the beginning) and this is going to be my first post. Let me introduce myself first ! I am from Greece, I am working as a network engineer and I am into system and network administration but definitely ...more

Hello null_byters, after some time out here we are again with another tutorial, continuing our beautiful series, today we will write our first real world bash script. BEFORE WE START Before we start today's lesson Let's recap what we learned in the previous lesson, right now ...more

Welcome back, my novice hackers! More and more, the world is turning to and adopting the smartphone platform as the digital device of choice. People are not only using smartphones for voice communication, but also web services, email, SMS, chatting, social networking, photogr ...more

INTRODUCTION Hello dear null_byters here we go again with our third part of this serie. in this third part of our series I'd like to do a demonstration or continuation on fuzzing, but I think I should leave for later because the next tutorials about fuzzing will require from ...more

If you ever need to make calls and/or send texts to the U.S. or Canada from abroad, or even just receive them from those locations, there's an easy way to do so without breaking the bank. In fact, it's free, and all you need is a smartphone, computer, and some free tools. A l ...more

Amazon thinks that by simply removing an app from their Appstore, that they will stop users from accessing it. But with Android OS powering their Fire TV Stick and Fire TV, there really isn't anything they can do to prevent us from sideloading an APK onto the streaming media d ...more

Welcome back, my fledgling hackers! Over the years, we have examined multiple ways to own, exploit, or compromise a system. On the other hand, we have not spent a lot of time on denial-of-service (DoS) attacks. For those of you who are new here, a denial of service is basica ...more

Greetings dear null byters, today we start a new series, we will start to attack users using social networking that are popular such as Facebook, Skype, and much more, and in part 1 of the series will engage users of Skype. What we are going to do today? 1 - get the IP from h ...more

If you use Google Chrome as your default desktop/laptop browser, then Chrome OS will be pretty easy to get up and running if transitioning from Windows or macOS. Google has created an operating system that is fast, lightweight, and versatile enough to be adopted by pros and no ...more

Over the past decade the Internet community has been witness to the rise of many new forms of online interaction. These new technologies have given rise to anonymous networks (like TOR), black markets within the deep web network (like the Silk Road), and even forms of digital ...more

Welcome, The Geeks!! This is my first article on email spoofing and hope everyone likes it. The article is short and easy. Social Engineering is the main key part of Hacking and everyone knows it. And one of the social engineering technique is email spoofing. So without wasti ...more

Welcome back, curious hackers! In today's tutorial, we will be diving deep into the manipulation of Google Operators, commonly referred to as "Google Dorks" in order to access Surveillance Cameras and other control panels. "Why would I do that?" One might ask. Good question m ...more

Welcome back, my budding hackers! As I have mentioned many times throughout this series, knowing a bit of digital forensics might keep you out of a lot of trouble. In addition, digital forensics is a burgeoning and high paying career. Some knowledge and certifications in this ...more

Welcome back Hackers\Newbies! Hey guys first of all I would like to explain my absence here in NullByte. I got a little "occupied" with "other things". When I got back, I saw all these HowTo's, articles, Help Questions, I decided, I need to share more of what I have, to you g ...more

Hello all! In this tutorial, I'd like to show you one way of getting root on OS X. Check out this GitHub page for a recent privilege escalation exploit that was recently discovered. I've tested it and it works on both OS X 10.9 Mavericks and OS X 10.10 Yosemite, but appears to ...more

There are many reasons to keep adult websites off your iOS device. They can pop up accidentally at the least opportune moments, can give your device malware, and are not welcome in a kid-friendly home. Plus, there's a chance that your porn viewing habits could become public o ...more

Welcome back, my tenderfoot hackers! Well, the first season of Mr. Robot just ended and Elliot and fsociety successfully took down Evil Corp! They have effectively destroyed over 70% of the world's consumer and student debt! Free at last! Free at last! Of course, global finan ...more

Welcome back, my greenhorn hackers! As all you know by now, I'm loving this new show, Mr. Robot. Among the many things going for this innovative and captivating program is the realism of the hacking. I am using this series titled "The Hacks of Mr. Robot" to demonstrate the ha ...more

One of the first orders of business after purchasing a new smartphone is to load up your shiny new toy with phone numbers, email addresses, and general contact information for all the important people in your life. Don't Miss: Android Basics: Get Started with Your New Smartph ...more

Windows 10 is officially here, and frankly, there's a ton of new features in Microsoft's latest operating system. From the return of the Start menu to the new Edge browser, Windows 10 can take some getting used to. Luckily, we've done a lot of the leg work for you, and what f ...more

There are a bunch of new and interesting features packed inside of Windows 10, but one of the most exciting ones is the Microsoft Edge web browser, the long-awaited replacement of Internet Explorer. While the "e" icon that you know so well will remain the same, albeit with a ...more

Welcome back, my tenderfoot hackers! A number of you have written me telling me how much you enjoy the Mr. Robot series on USA Network. I am also a huge fan! If you haven't seen it yet, you should. It may be the best show on TV right now. Mr. Robot is about a young man with ...more

Like most people who spend a good deal of time in front of their computer—whether for work, school, or play—I jump back and forth from window to window, working and playing with different things at the same time to get my work done faster or procrastinate harder. One thing I ...more

Why did I write this when they're tons of scanning tools available. Let's start with a real world situation. I sometimes visit clients sites that I need to obtain a usable IP address for a server or whatever. Believe it or not, they are networks that are configured with class ...more