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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

Heartbleed, move over. There's a new bug in town, and this time it's also affecting Mac and Linux computers. It's called Shellshock (its original official title is CVE-2014-6271), and it's currently got a 10 out of 10 severity rating over at the National Cyber Awareness System ...more

When your iPhone is being sluggish, one thing you can do to get performance back up to snuff is clear the device's random access memory. It's not a publicized feature from Apple, but it's there nonetheless. And while it's easy enough to utilize on iPhones with Home buttons, th ...more

The Google Play Store exists so you can download as many apps as your heart desires (and as your memory can hold). Sure, you may only use them once, but it's your choice—and isn't that what life is really about? With that said, the Samsung Galaxy Note 2 already comes with a to ...more

This is evil and it destroys people. Let's just get that out of the way. Nonetheless, suppose you need to make someone distrust their own memory and perception of reality. Suppose you want someone to believe in you more than they believe in themselves. Regardless of your mali ...more

We might not be able to hang out with friends in-person during a mandatory lockdown or self-quarantine, but we sure can in "Animal Crossing: New Horizons." Snapping pictures with the new NookPhone feels almost as personal as taking selfies in real life, so, naturally, we want ...more

Mobile gaming has exploded in recent years, with experts predicting 2.4 billion global mobile players by the end of 2019. It already accounts for 47% of the worldwide gaming market, besting console and PC. No wonder we've seen the rise of gaming smartphones, a class of phones ...more

One of the best things about the Samsung Galaxy S3 is the ability to modify the device in countless ways, as with any other Android device. A recent guide on adding softkeys to the GS3 from mod Faisal inspired me to share some information on how to edit build.prop, which is y ...more

How to use uTorrent First of all we need to understand what uTorrent is. uTorrent is a file or a Micro-Torrent that helps you, the user, download stuff like documents, pictures, videos, or e-books. uTorrent is very, very, useful when you know how to do it. so hope fully this ...more

We've all been hit by inopportune screen rotations at some point or another. Having the display orientation suddenly go from portrait to landscape when reading an interesting article in bed is one of the biggest irritations that come with using a smartphone (at least, for me). ...more

Apple's iOS 13 has been available for beta testing since June, and the stable release pushed out to everyone on Thursday, Sept. 19. To help you make the most out of iOS 13 for iPhone, we've rounded up everything you'll want to know, whether a colossal feature, small settings c ...more

Windows 10 passwords stored as NTLM hashes can be dumped and exfiltrated to an attacker's system in seconds. The hashes can be very easily brute-forced and cracked to reveal the passwords in plaintext using a combination of tools, including Mimikatz, ProcDump, John the Ripper, ...more

Believe it or not, there are some older iPhones still in use out there, and they're not going away anytime soon. Sure, Apple would prefer you to upgrade your device to the latest and greatest models, which are compatible with iOS 5. Those models include all of the following: ...more

No more carrying around heavy laptops and thousands of Linux Live CDs and USBs to always be ready for pentesting on the fly! I hope you had a good Christmas and happy new year! Update1: Added the section "weaponizing your Android" where I talk about apps and fundamental Kali ...more

If you've ever noticed that the stock launcher on an Android device seems to just feel faster than any third-party home screen replacement app, this is not a placebo effect. Most manufacturers, Samsung included, force their stock launchers to reside permanently in your phone'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

There are over 1.6 million apps on the Google Play Store, which makes it the largest collection of mobile apps on the planet. However, a large portion of this total is occupied by apps with overlapping functions—think social media, news, weather, music players, and various oth ...more

Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! Are you looking to clean up the look of your Minecraft with something other than a simple texture pack? Do you sometimes experience lag spikes that drop you ...more

Just recently, I was experimenting with a dual-boot Windows setup, and somehow managed to wipe my primary Windows installation in the process. "Why," I asked myself, "Why didn't I make a backup before I started this?" Still to this day, I'm going through the painstaking proces ...more

With Touch ID enabled, your iPhone needs to scan your fingerprint before you can access your home screen or last app used. Before it unlocks, your iPhone might request that you press the Home button, adding an unnecessary step between you and your data. However, you can turn t ...more

Skyrim really took the cake this year. With its awe-inspiring gameplay, much improved combat and leveling system, and a fresh new look, it's no wonder the game has already received a Game of the Year award. But for hardcore gamers, the fun may be over. You've played the game f ...more

So i ran into a problem few days ago and it seemed to be very annoying one. I got hands on ASUS X55A with broken HDD. So i changed HDD and woo enter bios password. I hit enter and got into bios where uder security tab was shining ADMINISTRATOR PASSWORD INSTALLED. There was no ...more

Many Android games use large, storage-heavy OBB files to store supplemental data. Generally, games with high-end graphics download these extra files when you install them from the Google Play Store. Most OBB files take up more than a gigabyte of space on your internal storage ...more

Hi, everyone! Recently, I've been working on a pretty interesting and foolish project I had in mind, and here I'm bringing to all of you my findings. This guide's main aim is to document the process of building an Android kernel, specifically a CyanogenMod kernel and ROM, and ...more

The older I get, the more my Friday nights involve watching Netflix at home with a bottle of Maker's Mark and a box of Oreos. Netflix is a big part of my life, and I'm not alone. YouTube and Netflix make up over 50% of all activity on the Internet, so it might be worth your ti ...more

Welcome back, my tenderfoot hackers! Recently, Microsoft released a new patch (September 8, 2015) to close another vulnerability in their Windows Vista, 7, 8, and 8.1 operating systems. The vulnerability in question (MS15-100) enabled an attacker to gain remote access to any ...more

If you've grown bored of day-to-day hacking and need a new toy to experiment with, we've compiled a list of gadgets to help you take password cracking and wireless hacking to the next level. If you're not a white hat or pentester yourself but have one to shop for, whether for ...more

One of the best things about Christopher Nolan's Batman trilogy is how realistic he makes the caped crusader feel. Unlike the Joel Schumacher or even the Tim Burton versions, Nolan's world seems grounded in some level of scientific fact. But just how close is science to actual ...more

As efficient as your iPhone is, it doesn't hurt to fully close running apps from time to time to free up memory and keep background processes to a minimum. Force-closing is also a great way to troubleshoot buggy apps, and can often resolve minor issues without having to restar ...more

Whether it's an iPhone 12, 12 mini, 12 Pro, or 12 Pro Max, know that these devices are the most powerful smartphones Apple has ever made. Still, bugs happen, and you might find yourself with an app that isn't performing quite as it should. When that happens, it's best to force ...more

Anyone who has rooted their Android device has likely used a tool called Android Debug Bridge, better known as ADB, at some point during the process. For most, that is their only interaction with the ADB, but to be a true Android power user, you need to really know the tools a ...more

Always downing a glass of red wine in the evening? Don't be ashamed. Red wine has some great health benefits when consumed in moderation, including improved memory, lower risk of heart disease, and even bone strengthening. Photo by Joe Shlabotnik Aside from improving your hea ...more

Apple's latest big software update includes an entirely new Apple app, a controversial change in the TV app, better Siri control, an improved Shortcuts app, interesting Safari upgrades, Apple Music Sing, and more. Keep reading to see what iOS 16.2 has to offer your iPhone. Th ...more

When shopping for a new smartphone, you'll encounter comparisons and spec sheets that are filled to the brim with values like mAh, GB, and GHz. To the average consumer, however, these values are meaningless, so we end up looking at which device has the specs with the highest a ...more

Welcome back, my novice hackers! As many of you know, recon is crucial to a successful hack/pentest. In most cases, hackers spend more time doing good reconnaissance than actually hacking. Without proper recon, you are simply guessing at what type of approach or exploit is go ...more

PowerShell Empire is a post-exploitation framework for computers and servers running Microsoft Windows, Windows Server operating systems, or both. In these tutorials, we will be exploring everything from how to install Powershell Empire to how to snoop around a target's comput ...more

Sprint has announced that it will be the first U.S. carrier to release Jelly Bean 4.1 for the Samsung Galaxy S III. The over-the-air updates have already started, with users receiving a notification on how to update on their phone. The reason Jelly Bean has garnered so much at ...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

The newest version of Apple's mobile operating system, iOS 10, has been out for about a month now. But like every year beforehand, some of you who updated will not be happy with the latest and "greatest" iOS version. If that happens to be the case for you, you've still got a ...more

Warnings Be careful giving Memory to Java, I recommend leaving at least 2gb to your computer for the operating system and any background processes. This can result in Ram getting overloaded and PC crashes Video By TechHutus (me). How To Allocate More RAM to Java Alright so i ...more

Google's Pixel phones have a feature that lets you swipe down on the fingerprint scanner to open your notification shade and Quick Settings panel. It's one of those features that make you wonder why it wasn't there in the first place, since it gives you another way to interact ...more

I was in college, and my 15-inch Sony Vaio laptop was my prized possession. It was my first PC and probably the most important thing I brought with me to my dorm — it was both how I completed my assignments and my primary source of entertainment. How could it turn its back on ...more

Not every app is designed well. With nearly 3 million apps on the Play Store and countless more that you can sideload from other sources, there are bound to be a few stinkers. And many of them do a terrible job using RAM. Poor memory management by apps hurts everyone. Whether ...more

Signal is one of the best end-to-end encrypted messengers on the market. It offers robust security, keeps minimal information about its users, and is free to use. Switching to it as your main messenger can be a bit daunting, so to help, we created a guide to walk you through t ...more

In 2019, the Raspberry Pi 4 was released with specs including either 1 GB, 2 GB, or 4 GB of memory, a Broadcom BCM2711B0 quad-core A72 SoC, a USB Type-C power supply, and dual Micro-HDMI outputs. Performance and hardware changes aside, the Pi 4 Model B runs Kali Linux just as ...more

Once we recover from the respiratory infection pneumonia, our lungs are better equipped to deal with the next infection — thanks to some special cells that take up residence there. New research led by JP Mizgerd of the Boston University School of Medicine, shows that lung tis ...more

Performance boosters generally get a bad rap, but that doesn't mean they should all be dismissed—particularly when they're as well thought out as the latest work from developer Danijel Markov. After recognizing a few inefficiencies in the way Android handles memory management ...more

Welcome back, my greenhorn hackers! Recently, I asked the Null Byte community what subject they would most like me to cover in future tutorials. Many of you cited scripting, and I decided it's best to cover this subject soon, so here goes. Any self-respecting hacker must be ...more

Most people need their morning pick-me-up to get the day started right. There's a Starbucks on every corner and caffeine "shots" are sold in convenience stores everywhere. Even Mountain Dew is getting in on the action with its new KickStart "breakfast" drink (whatever that mea ...more

Welcome back, my greenhorn hackers! One of the most important issues any hacker must address is how to get past security devices and remain undetected. These can include antivirus software, intrusion detection systems, firewalls, web application firewalls, and numerous others ...more

Hacking from a host machine without any form of proxying is reckless for a hacker, and in a penetration test, could lead to an important IP address becoming quickly blacklisted by the target. By routing all traffic over Tor and reducing the threat of malicious entrance and exi ...more

Apple has a few exciting surprises for you in its latest iOS 16 and iPadOS 16 software updates. Released on Thursday, May 18, version 16.5 includes new features, bug fixes, and security patches, and there are even hints of some big things coming in future software updates for ...more

The new Samsung Galaxy S4 just received an update to Android 4.2.2, so why is it that my Galaxy Note 2 is still running an older version of Jelly Bean? It felt like yesterday that my device was finally updated to 4.1.2, but why even bother since 4.2 has been around since last ...more

Apple's Siri is well-versed in the spells of the Wizarding World of Harry Potter, but it's not like Android users are Muggles. Google Assistant, Android's virtual concierge, can cast a few spells out of the box, and it can learn the spells it doesn't know quicker than a year o ...more

Former Vice President Dick Cheney was so fearful of attacks, he had his heart defibrillator re-calibrated to block incoming wireless signals so that highly skilled hackers couldn't send him into cardiac arrest. If hackers could potentially kill by turning someone's own defibr ...more

For those of you still using a BlackBerry smartphone, this article will show you the tips and tricks to installing emulators and playing some classic Game Boy Advanced games on your device. You can find a few tutorials and videos out there on getting Game Boy Color or NES game ...more