Crack a Username and Password

Everything lives online these days, so it's not uncommon to have hundreds of credentials for different accounts on apps and websites. That's why a password manager is a must, and your iPhone has one built right into iOS that you can start using today. In iOS 14, it's gotten ev ...more

If you want to follow Null Byte tutorials and try out Kali Linux, the Raspberry Pi is a perfect way to start. In 2018, the Raspberry Pi 3 Model B+ was released featuring a better CPU, Wi-Fi, Bluetooth, and Ethernet built in. Our recommended Kali Pi kit for beginners learning e ...more

The internet is constantly under siege by bots searching for vulnerabilities to attack and exploit. While conventional wisdom is to prevent these attacks, there are ways to deliberately lure hackers into a trap in order to spy on them, study their behavior, and capture samples ...more

The Pi-hole project is a popular DNS-level ad blocker, but it can be much more than that. Its DNS-level filtering can also be used as a firewall of sorts to prevent malicious websites from resolving, as well as to keep privacy-killing trackers such as Google Analytics from eve ...more

Kali Linux is probably the most well-known hacking distribution among penetration testers. However, there are alternative distros which offer versatility and advanced package management systems that are absolutely worth considering. One such distribution is Pentoo, a Gentoo-b ...more

Apple's macOS operating system is just as vulnerable to attacks as any Windows 10 computer or Android smartphone. Hacker's can embed backdoors, evade antivirus with simple commands, and utilize USB flash drives to completely compromise a MacBook. In this always-updated guide, ...more

Web applications are becoming more and more popular, replacing traditional desktop programs at an accelerated rate. With all these new apps out on the web comes various security implications associated with being connected to the internet where anyone can poke and prod at them ...more

Apple includes a lot of helpful features for iCloud email addresses, but one of its best-kept secrets will give you total control over organizing your inbox like a pro. So, what's the big secret? Subaddressing, also known as plus addressing, tagged addressing, email address ...more

Hackers often find fascinating files in the most ordinary of places, one of those being FTP servers. Sometimes, luck will prevail, and anonymous logins will be enabled, meaning anyone can just log in. But more often than not, a valid username and password will be required. But ...more

Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more

After a long hiatus, we shall once again emerge from the shadowy depths of the internet to build an exploit. This time, we'll be looking at how to defeat a non-executable stack by using the ret2libc technique — a lean, mean, and brilliant way of exploiting a stack overflow vul ...more

As a web developer, I often read articles about hackers (from the lowly to the knowledgeable) infiltrating websites via the dreaded 'SQL Injection' method and completely taking control, changing, gaining access, or destroying the owner's data. As a fellow web developer, I'm su ...more

Did you know that you can use Gmail to make free phone calls to anywhere in North America? We're not talking computer to computer, but actual free phone calls to cell phones and home phones. All you need is a Gmail account, a microphone, and speakers plugged into your compute ...more

Over the years, I have enjoyed playing with Asterisk. I have found Asterisk to be extremely powerful and fun to play with. There are several books and many scattered how to articles out there, but most are outdated and the information required to build Asterisk from beginning ...more

WonderHowTo is a great place to find advice and learn things that you want to know, but can't find anywhere else. On this website, there are tons of people who make articles and videos to show you how to do stuff. In this tutorial, you will learn how to make your own WonderHow ...more

If you're an owner of a BlackBerry smartphone, chances are you're going to want to use BBM, which for all of you newbie BlackBerry owners, stands for BlackBerry Messenger. BBM is an instant messaging application developed solely for BlackBerry device owners. Video: Add contact ...more

Have you ever wanted to make your own Minecraft server on Windows? This tutorial will teach you how, without having to download Hamachi. The whole process is a lot simpler than you might think, and it will only take a few minutes! You will need: Firefox web browser Computer ...more

Here is an alternative method to run Ubuntu 10.04 on a Mac without actually installing it on your internal hard disk. The idea is to install Ubuntu on your USB flash disk, instead of installing it on your internal hard drive. I'm talking about a full disk installation. It won ...more

Been hacked once? Twice? Maybe more? You thought abc123 was the only password that is both 6 characters wide and easy to remember? I have some suggestions in store for you. Just read on... An Introduction There are passwords that look tremendously sexy (as opposed to gibberi ...more

More password cracking action from Null Byte! Today we aren't going to be cracking passwords per se, rather, we are going to learn the basics of generating rainbow tables and how to use them. First, let's go over how passwords are stored and recovered. Passwords are normally ...more

You may have asked yourself, "How do hackers take my password, if the website owner can't?" The answer is simple. When a website stores your login password for the site, it is run through a cryptographic hash function before it enters the database (if the website isn't Sony). ...more

How to Crack Passwords Faster by Putting Your GPU to Work with HashcatSecurity on the internet is always changing. Not too long ago, having a 10 character password meant that you were safe from all forms of hash cracking. Hash cracking is when you take a string of characters t ...more

A flaw in WPS, or WiFi Protected Setup, known about for over a year by TNS, was finally exploited with proof of concept code. Both TNS, the discoverers of the exploit and Stefan at .braindump have created their respective "reaver" and "wpscrack" programs to exploit the WPS vul ...more

In this article, I'll show you how to make a simple Gmail notifier. Python can do various things in terms of notifications; sending commands to an Arduino unit, playing sounds, opening windows, etc. The code below simply plays some music, but the possibilities of notification ...more

Hello everyone and welcome to Part II - The Ultimate Guide: Diagnosing & Fixing Connection Issues. In this tutorial we will discuss more advanced methods that I took in order to fix our home network. I have also attached a link to download the FREE eBook - so feel free to down ...more

No doubt you've seen some of the hack logs being released. One part that stands out over and over again is the heavy database usage. It used to be early on that virus and hackers would destroy data, usually just for lulz. However, with the explosive commercial growth of the In ...more

Merry Christmas all! I hope you are all having a very wonderful day! Today we will be talking about further measures you can take to secure your Windows 7 logon screen. To see my previous post on how to add a username and password to your logon screen, see here. Introductio ...more

I have had a lot of people ask me, "How does my neighbor keep getting into my wireless?!". Chances are, these people are all using WEP, a deprecated wireless encryption protocol. Either that, or you are using one weak WPA passphrase. If someone can access your wireless networ ...more

Following the first part in this series on advanced cracking techniques, we are going to go over how we can intelligently crack passwords using the old-fashioned bruteforce method. These unique cracking techniques aren't widely used, because most crackers are Script Kiddies wh ...more

To create an elegant WordPress blog or website from scratch without being noticed that you're a complete beginner, you need that drive and pairs of eyes and ears. It may seem difficult at first but it can truly be fun and exciting. In order for you to have a long lasting blog ...more

When you're out and about in the dangerous world of Wi-Fi, it's hard for the average computer user to stay protected, or even know what being protected entails. Little do most people know, Windows 7 has a built-in security that few people take advantage of: a VPN (Virtual Priv ...more