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If you've ever mistakenly moved your music files around without relinking them in iTunes, you might now be noticing that you have a long list of tracks asking you to relink them. You could go through them one by one, redirect them to the new file location, then delete any copi ...more

An attacker with shell access to a Linux server can manipulate, or perhaps even ruin, anything they have access to. While many more subtle attacks could provide significant value to a hacker, most attacks also leave traces. These traces, of course, can also be manipulated and ...more

If you're doing research that includes a lot of copy/pasting, it can get really tedious to open a new document every time you want to save something. Luckily, you can cut out the extra step and save text and images that are currently in your clipboard directly to a folder or y ...more

As the first phones to be made by Google, the new Pixel and Pixel XL have several slick customizations that you won't find on any other Android device. There's tons of functional stuff like the new Google Assistant and a much-improved camera app, but also a few aesthetic tweak ...more

Battery life is extremely unpredictable on an Android. Finding the right ROM and kernel combo can make or break having the kind of battery that will last you all day long. Even if you do find the perfect pair, you then have to worry about apps, widgets, and other processes con ...more

The one thing that separates a script kiddy from a legitimate hacker or security professional is the ability to program. Script kiddies use other people's tools, while hackers and security pros write their own tools. To that end, we're going to see how a stack overflow vulnera ...more

With the release of the ARChon Runtime, many Android apps can now be run within the Chrome web browser. Minor changes must be made to existing Android APK files before they can be installed on Chrome, so the process isn't exactly as easy as pasting an Android app into a folder ...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

If you want to try out one of Apple's beta programs on your iPhone — whether that's by becoming a developer, joining the public beta, or using an IPSW of an available beta update — there's always a possibility that you'll want to go back to the stable iOS version you were usin ...more

I was looking around on this site and this article caught my eye. It was about hiding text in ADS or Alternate Data Streams. While this is nothing new in the tech world, it seems that more and more people are looking at ADS for one reason or another. Years ago, I created a si ...more

Apple's iOS 11 is finally here, and while they showed off several of the new features it brings to your iPhone, iPad, and iPod touch back at WWDC 2017, they've only just touched the surface of what iOS 11 has to offer. There are a lot of cool new (and sometimes secret) feature ...more

Hello fellow Null-Byters! This is my first post so please be respectful and constructed criticism is much appreciated. I am no professional, however I believe that it is important to understand technologies before you go poking at them and trying to break them, I therefore dec ...more

Hello, everyone! If you haven't read the recent announcement on the official release of the Null Byte suite, I suggest you do so. This is going to be a quick tutorial on how to download and install the suite so you can see our communities genius. So, let's get started! Step 1 ...more

Piracy, it can be argued, is the scourge of the internet. But when it comes to music, sometimes it's best to give a listen to a track or album before deciding to spend your hard-earned money on fully supporting it. Unfortunately, there are few good ways to do this without exp ...more

Using the ARKit 2.0 announcement as its springboard, software maker Adobe is looking leap up to the level of Unity Technologies and Epic Games, the companies making the go-to tools for creating augmented reality experiences. Between with Photoshop, Illustrator, Creative Cloud ...more

Despite CyanogenMod actively working on their CM 12S Lollipop-based ROM, OnePlus has opted to develop their own ROM, and after a few setbacks, OxygenOS is finally out. The OS is the result of OnePlus wanting to ship their devices without needing an outside company to create a ...more

This is the best how-to's website that I've ever seen, and I wanted to join it. It taught me a lot, but, because I'm here to learn too, please correct me if I'm wrong. You probably know that Ettercap is a very powerful tool for man in the middle attacks. You probably know tha ...more

Everyone's been in the following situation. You're sitting there at a nice bar, chatting up a smoking hot member of the opposite sex when all of a sudden they drop this bomb: "Can you engrave on wood in Photoshop?" The next thing you know, the night spirals into blackness and ...more

Welcome back, my amateur hackers! Over the course of the next year, we will be developing our own zero-day exploits. In my first article in this series, I introduced you to buffer overflows, which are the source of some of the most lethal exploits, particularly the "remote co ...more

If you have an Android device that Netflix does not support, you can check the Play Store and it simply won't be there. But just because you're unable to download it through official means doesn't mean you have to live without Netflix since there's a way you can sideload it ma ...more

Changing the carrier name from an unlocked iPhone's status bar has been possible to do ever since Cydia released Zeppelin earlier this year. The application comes with preset logos you can use such as Pac-Man, Space Invaders, the Assassin insignia of the Assassin Order from As ...more

Another year, another battle between Samsung and Apple. We recently saw what Samsung is bringing to the table this year with the release of the Galaxy Note 10+, and now it's Apple's turn. For those who want a truly large device, Apple is offering the iPhone 11 Pro Max. Let's s ...more

If you've been around computers long enough, you've probably heard the phrase "have you tried turning it off and on again?" This trick usually works because it forces your computer to empty out the contents of its RAM and disk caches when you restart. When you run programs an ...more

Welcome back, my aspiring hackers! As mentioned several times in previous Linux tutorials, nearly everything in Linux is a file, and very often they are text files. For instance, all of the configuration files in Linux are text files. To reconfigure an application in Linux, w ...more

Need help getting started on this week's WTFoto Challenge? Look no further! In this tutorial, I will teach you how to create simple chalk symbols and writing in Photoshop. So read through this post and try it out yourself—or I'll tell your cousin what you said when you were dr ...more

Welcome back, my tenderfoot hackers! I recently began a new series on digital forensics to help tenderfoot hackers from being detected and ultimately, incarcerated. In this installment of that series, we will look at recovering deleted files. This is important to hackers beca ...more

If you're anything like me, you started down the Android-modding path for two distinct reasons; to run cutting-edge software and squeeze every bit of performance out of your hardware. Utilizing the new F2FS file system on your rooted Nexus 4 or 5 fulfills both of those desires ...more

Apple just pushed out the iOS 10.3 update to everyone on March 27, so if you haven't installed it yet, make sure to do so by going to Settings -> General -> Software Update. Trust us, you'll want to. iOS 10.3 is a fairly major update, and will succeed iOS 10.2.1 on your iPad, ...more

Welcome back, my tenderfoot hackers! This is the third installment of my series on basic Linux skills that every hacker should know. Although some hacking tools are available for Windows and Mac, every real hacker uses Linux—for good reason. Make sure to check out Part 1 and ...more

With apps and games getting bigger and more memory-hungry every year, storage space is at a premium. High-definition videos and photos of innumerable pixels certainly don't help the matter, either. Sometimes, the things that can soak up our storage the most are things we're n ...more

In the first part of my containers series, we learned how to install Docker on our local machine, pull down "hello-world" and Ubuntu containers, SSH into containers, and install software when in a container. Now, we're going to work on building, customizing, and storing our re ...more

When using Linux, we often need to install new software, a script, or numerous large files. To make things easier on us, these files are usually compressed and combined together into a single file with a .tar extension, which makes them easier to download, since it's one small ...more

Welcome back, my greenhorn hackers! Digital forensics and hacking are complementary disciplines. The better you are at digital forensics, the better hacker you are, and the better hacker you are, the better you are digital forensics. Unfortunately, few people in either profes ...more

As part of the iOS 11 update, Apple added a document scanner function that creates high-quality digital copies of physical documents, but it was only available inside the Notes app. With iOS 13, Apple has built its scanner right into the Files app, enabling you to quickly crea ...more

Microsoft Office files can be password-protected in order to prevent tampering and ensure data integrity. But password-protected documents from earlier versions of Office are susceptible to having their hashes extracted with a simple program called office2john. Those extracted ...more

Apple's iOS 12 has finally landed. The big update appeared for everyone on Monday, Sept. 17, and hiding within are some pretty amazing augmented reality upgrades for iPhones, iPads, and iPod touches. We've been playing with them ever since the iOS 12 beta launched in June, and ...more

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 so ...more

Web 2.0 technology has provided a convenient way to post videos online, keep up with old friends on social media, and even bank from the comfort of your web browser. But when applications are poorly designed or incorrectly configured, certain flaws can be exploited. One such f ...more

Welcome back, my neophyte hackers! In the world of information security, the most common intrusion detection system (IDS) you will ever encounter is Snort. As you probably already know, an IDS works similarly to antivirus (AV) software on your desktop; It attempts to identify ...more

What's the easiest way to keep track of your website passwords? Maybe in a password-protected document on your computer? Makes sense. But surprisingly, this is no easy task in Mac OS X. Snow Leopard does not have an easy one-click option for password protecting files and fold ...more

Bash (Shell) Scripting for Beginners Intro I am an occasional Linux user currently playing around in CrunchBang and loving it. Prior to this, I used to dual-boot Windows and xfce-buntu (or xubuntu) at work, and due to some unforeseen circumstances, my screen always went fuzz ...more

Full disclosure: I really like Apple's stock ringtones on the iPhone. After all, there are over 50 to choose from if you include the classic ones. With all that choice, why would you ever need more? Personally, I get bored easily, and I'd like my music to play when people call ...more

It's been a while since I wrote up an article for this series but I did say that I'd be covering some WinAPI. So if you're interested in programming for the Windows platform, hop aboard and follow along. Note: This is an extension of the standard C that the previous material ...more

When it comes to attacking devices on a network, you can't hit what you can't see. Nmap gives you the ability to explore any devices connected to a network, finding information like the operating system a device is running and which applications are listening on open ports. Th ...more

When it comes to modifying Android, the single, most powerful tool available is TWRP custom recovery. It's even more capable than simple root access when it comes to changing the look and feel of your software, and you can even use TWRP to root your device in a few simple step ...more

With an inconspicuous Android phone and USB flash drive, an attacker can compromise a Windows 10 computer in less than 15 seconds. Once a root shell has been established, long-term persistence to the backdoor can be configured with just two simple commands — all while bypassin ...more

You may be familiar with image-based or audio-based steganography, the art of hiding messages or code inside of pictures, but that's not the only way to conceal secret communications. With zero-width characters, we can use text-based steganography to stash hidden information i ...more

Being able to write your own hacking tools is what separates the script kiddies from the legendary hackers. While this can take many forms, one of the most coveted skills in hacking is the ability to dig through the binary files of a program and identify vulnerabilities at the ...more

When you expect to take photos of landmarks, buildings, landscapes, and other outdoor scenery with clear blue skies in the background, you may end up with nothing but overcast weather, resulting in a completely different mood in your pictures. Instead of forgetting about all y ...more

Shodan calls itself "the search engine for internet-connected devices." With so many devices connected to the internet featuring varying levels of security, the special capabilities of this search engine mean it can provide a list of devices to test and attack. In this tutoria ...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

Hackers often rely on lazy system admins and unpatched vulnerabilities to get access to a host. Keeping intruders off of our machines requires us to update daily, only run the services we need, and read the code, among other things, but we can still make mistakes. Luckily for ...more

It's easier than you might think to hack into Wi-Fi routers using just one unrooted Android phone. This method doesn't require brute-forcing the password, a Windows OS for converting PowerShell scripts into EXE format, a reliable VPS for intercepting hacked Wi-Fi passwords, or ...more

The screenshot tool on your iPhone can come in handy in various ways, but it may be even more helpful than you realize. So if you thought you knew everything there was to know about your iPhone's screenshot tool, it's time to put your knowledge to the test. Many of these hidd ...more

At its core, Android TV's software is the same as the OS running on 87% of all smartphones. But it doesn't always feel that way, with its version of the Play Store only having 5,000 apps (or 0.2% of all Android apps). To access the remaining 99.8% of apps, you will need to sid ...more

In the previous article, we learned how to set up our VPS, configure our PHP server, and developed an in-depth understanding of how the payload works. With all that taken care of, we can get into disguising our payload to appear as an image and crafting the note in the greetin ...more