Password

In the second part of this tutorial, we are going to crack the hashes that we've captured previously. I'm going to explain how to do it with the powerful John the Ripper. It comes with Kali by default, so no need to install! Using John the Ripper If you don't know nothing ab ...more

Apple's Gatekeeper security software for macOS (Mac OS X) is vulnerable to remote attacks up to version 10.14.5. An attacker that's anywhere in the world can exploit MacBooks and other Mac computers by sharing a single ZIP file. The vulnerability was discovered by Filippo Cav ...more

Time to confess a personal bias: I love Gmail. I think it's the best thing since sliced bread. I try to be impartial when I write about software and online services, but seriously -- of all the free email services out there, why would you use anything else? A quick point of o ...more

The king of all Xposed modules is alive and kicking on Android Lollipop. GravityBox received an update over the weekend that will bring its bevy of UI tweaks to folks who have installed the framework on their Android 5.0+ devices. Most of the tweaks that helped GravityBox ris ...more

While most of us don't think twice about dragging a pattern or using Touch ID to open our phones, or entering a password in for our email and bank accounts, these features are there to protect some of our most private information. Only problem is, they don't do a good job of i ...more

Since starting as a simple messenger with self-destructing pictures, Snapchat has grown into a full-fledged social media platform. As features were added, new permissions were requested, and we're all probably guilty of just tapping "OK" to try out the latest and greatest. But ...more

Cheers to another completed Community Byte project! Things went well regarding timeliness and being friendly to the other coders and students. If you've got ideas for our next mission, or an idea for a tutorial, submit them to me. Friday, our mission was to take out HackThisSi ...more

Sometimes it's the little things that make our days better, like finding a dollar in our recently washed jeans or a box of donuts in the lunch room. But your Nexus 7 tablet's lock screen isn't typically one of those things—it's just a lock screen after all. Unless you add cus ...more

In this tutorial I will be explaining the purpose of unique encryption/decryption scripts ( I will be referring to these at "UEDS" for this tutorial). Then, I will show you how to make one. Finally I will talk about the downsides to the method I use. I will also provide links ...more

Welcome to the closing of the second HackThisSite and programming Community Byte. First and foremost, I would like to ask that people start showing up on time to the Community Bytes. If you need help converting your time zone to PST, go to Time Zone Converter. When users do no ...more

There are many ways you can protect your computer from unwarranted access. For instance, you can use Lockscreen Pro to lock your Windows 8 computer and then have the program snap a photo of the culprit using your webcam. But if you want an even simpler and possibly more effec ...more

If you've ever attended school or held a job, you're probably well familiar with Microsoft Office, whether you used it or not. It's the most popular office suite available, and has been for some time. Apple does have its own suite of productivity apps (iWork), but Microsoft Of ...more

Move over Venmo, Apple Pay Cash is here, and it's built right into iMessage. If you're like us, you've been eagerly waiting to give this new feature a try on your iPhone ever since Apple announced it during WWDC 2017 back in June. While it was never released in the main iOS 11 ...more

If you're worried about the security of your Mac, there are easy measures to prevent the most dangerous attacks. Named after the tactic of accessing an unattended computer in a hotel room, we can thwart "evil maid" attacks with Do Not Disturb and LuLu, free macOS tools by Obje ...more

You should feel relatively safe to watch and post videos on TikTok, but like with any online service, you're always at the mercy of hackers. It's unfortunate, but anyone can become a target for arbitrary reasons. Maybe your TikTok videos are controversial. Maybe someone has a ...more

Here's a nasty little Null Byte. An open redirect vulnerability was found in both Facebook and Google that could allow hackers to steal user credentials via phishing. This also potentially allows redirects to malicious sites that exploit other vulnerabilities in your OS or bro ...more

Imagine being able to play a video instantly on hundreds of thousands of devices across the globe. It's totally possible, as long as all of those devices have a Chromecast plugged in. When Chromecasts are left exposed to the internet, hackers can use add them to a botnet that ...more

Backing up your files is a requirement in today's world of tech. In an instant, your storage device can fail. This is an unacceptable situation that should never happen to anyone. Storage is cheap, and backups are easier than ever to perform. Most of the time, this can be comp ...more

Anyone who has used Linux long enough is familiar with sudo. Short for superuser do (or substitute user do, depending on who you ask), it allows users to run commands as either root or another user on the system. From a hacker's point of view, sudo is often all that stands bet ...more

Warnings i cant be held responsible for any illegal act done by anyone but myself and there are copyrights so notise that taken the trademarks or copyrights are strigtly prohibeted by law and will be punshied by law and i or my partners cant be held responsible for sudo camma ...more

Fireworks are the best part about the Fourth of July and other celebrations, but they can easily cause accidental injuries. It's both safer and more fun to set them off remotely, so we'll hack some standard fireworks with nichrome wire, a relay, and an Arduino to ignite remote ...more

Hi all, Pro Hackers/Crackers, Let's see how we can use batch for our own Protection instead of exploiting someone with it. And this tutorial is going to explain the same. #1 Protection, PC Security: I will tell you how to add another level of security to your PC, instead of j ...more

Friday's mission was to accomplish solving HackThisSite, basic mission 7, which required us to learn some basic Unix commands. If you have any prior experience using Unix commands, this should be a breeze for you if you sit and think for a second. These missions are for every ...more

Are you the expert hacker we're looking for? Do you have a great idea for an article on Null Byte? Do you have a passion to write, and more importantly... teach? We're officially looking for Null Byters on a weekly basis who are willing to take the time to educate the communi ...more

What's up readers? Today I'll be introducing to you a new vulnerability called the Format String vulnerability (in case you missed the title). It won't be much, just a little motivation to keep you guys going. A little teaser, if you may. Pre-requisite information: For those ...more

News+ is Apple's new digital subscription service for written media that costs $9.99 per month. There is a free trial offered for one month, but you'll start getting charged the monthly fee as soon as your 30 days are up. While it's not very obvious, there is a way to cancel t ...more

We share links on an almost daily basis, usually not even thinking twice about it. Whether you're sending a funny cat video to your sister, or letting your coworker know where to go to download relevant files, there are plenty of reasons you might be giving someone a URL. But ...more

Sudo is a necessity on most Linux systems, most of which are probably being used as web servers. While the principle of least privilege is typically applied, sudo misconfigurations can easily lead to privilege escalation if not properly mediated. Which brings us to SUDO_KILLER ...more

Apple just seeded developers and public beta testers the GM (golden master) for iOS 14 on Tuesday, Sept 15. The update (18A373) comes just after Apple's "Time Flies" event, and six days after Apple released iOS 14 beta 8 for both developers and public testers. Apple released ...more

We're officially seeking Null Byters on a weekly basis who would enjoy taking their time to educate the community. Contributors will write tutorials, which will be featured on the Null Byte blog, as well as the front page of WonderHowTo (if up to par, of course). This is a job ...more

Every year, Apple adds some old technology to the iPhone and gives it a catchy marketing name, then like clockwork, it becomes the next big thing. Google, on the other hand, creates some truly innovative features, doesn't really bother naming them, then lets them languish in o ...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

Go to http://yourguitarsage.com/ to find out how to order my ebook containing charts for over 170 tunes and constantly updating. This will ROCKET your productivity and fun on the guitar!!! Here is what I teach you!  1. How to play many of the open chords and inversions that y ...more

Reddit is home to tons of fun and unique content. A starting point for the various memes and videos that eventually make it into your Facebook feed, you could seriously spend all day just browsing different subreddits and not get bored. But what if you could browse Reddit on ...more

Google inconspicuously announced an Android update yesterday, and while it's not quite the overhaul that the initial Lollipop release was, version 5.1 brings plenty of bug fixes and new features. This new version is currently on a staged rollout for Nexus devices, so the upda ...more

Last week, augmented reality startup Proxy42 released Father.IO, a multiplayer game that turns any indoor or outdoor space into a laser tag arena. A $40 Bluetooth-connected, infrared sensor-equipped device called the Interceptor converts your standard iPhone or Android smartp ...more

With new iPhone models out, you'll have updated cameras to try out, a faster processor, and new colors to choose from. The only thing that could stop you from picking one up yourself is, well, your current iPhone. Here's how to check if you're eligible to upgrade to iPhone 11, ...more

Metro apps are pretty nice, but they absolutely suck on a Windows desktop with a mouse and keyboard. That's to be expected though, since Metro (also known as Modern UI or Microsoft design language) was created mainly with touch input in mind for Surface Pros and Windows Phones ...more

When it comes to digital security, one of the best ways to protect yourself is to use two-factor authentication. Most apps these days support it, including Facebook, a site where the more privacy you can muster, the better. However, of the two 2FA options available for Faceboo ...more

If there was anything missing from the notorious YO app, it was Aaron Paul's character from Breaking Bad, Jesse Pinkman, calling me by his signature catch phrase—you know the one. With constant and overwhelming requests from the vastly popular show's fans requesting for Aaron ...more

In February of this year, the Higher Court of Berlin ruled that Facebook must follow strict German data protection laws, which Facebook's terms of services and privacy policies circumvent. It's been rulings like these and their call for internationally recognized rights to pr ...more

I may not be a parent just yet, but I've dealt with enough worrisome mothers to know that keeping a watchful eye over your child is of the top-most importance. Since most people cannot afford to stay right by their child's side 24/7, developers are always looking for ways to m ...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

Welcome back everyone. As many of you know, reconnaissance is extremely important in any successful hack. Without proper reconnaissance, we won't know what we're about to get into, literally. Among the vast ocean of information we need about our target, operating system is de ...more

While MacOS computers have been spared from some of the most famous malware attacks, there is no shortage of malicious programs written for them. To keep your computer safe from some of the most common types of malware, we'll check out two free tools. These tools can automatic ...more

TWRP has been the king of custom recovery on Android for years now, thanks to device compatibility and core features. But there's a new player in town — at least, for OnePlus devices — and it's got a lot of useful features that might finally get you to ditch TWRP. Sky Hawk Re ...more

Another Community Byte announcement from Null Byte! The Community Byte projects serve to teach people in a co-operative, hands-on manner. Learning from experience and immersing yourself in a subject is the best way to learn something foreign to you. In our sessions, we have st ...more

It's 2022, and the coronavirus pandemic is still going strong, meaning many people still wear masks. If that's you, unlocking your iPhone with Face ID is still very inconvenient when donning a face covering — until now. Apple first tried to address Face ID's mask issue in iOS ...more

The "Zoombombing" trend is still strong on the Zoom video meetings service, despite security measures Zoom put in place to stop it. That's why it's up to you, as either a host or co-host, to be proactive about preventing Zoombomber harassment, as well as stopping it whenever i ...more

As of 2016, there are approximately 1.85 billion Android smartphones worldwide. This growing popularity has led to an increasing number hacks and cyber attacks against the OS. Unfortunately, Android users need more protection than what is offered by Google. The good thing is t ...more

This is my first ever how-to so I apologize in advance for any grammar mistakes or spelling errors. Introduction This is what I'm planning on being a series of c++ coding articles. This one in particular are gonna be a series of programs for various password cracking methods ...more