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If you notice any issues with your LG G3, pinpointing the culprit can be an arduous task. It could be a hardware issue, a resource-heavy app, or a bloatware-infested operating system. Regardless, you'll want to know where the issue lies so you can better troubleshoot the prob ...more

A friend of mine has a crazy amount of Reddit karma and gold, and yesterday he let me in on his secret. This person, who will remain unnamed for obvious reasons, created a Python script called Reddit Karma Crawler that finds rising posts before they get too popular. Every goo ...more

In old-school Konami fashion, there's an Easter egg lurking inside your Samsung Galaxy S3, and I'm not talking about gingerbread men, robots, or jelly beans. In fact, it's actually an achievement, like those you would unlock in Black Ops on your Xbox 360, and it's pretty easy ...more

In this tutorial, I'll show you how to use the Arduino to control lights with your own voice! Video: . The code used in this tutorial is available here, but to use this code, first download the library here.

In this project, I'll show you how to control your projects using Twitter! Video: . The code used in this project is available here, and the Pastebin Code here. Music by: Audiomicro

Caller ID is great to have, but there are certain situations where you don't want the person you're calling to have your number. People who sometimes use their personal phones for work may not want clients knowing where to reach them outside of work, and anytime you're dealing ...more

Kali Linux is the go-to Linux distribution for penetration testing and ethical hacking. Still, it's not recommended for day-to-day use, such as responding to emails, playing games, or checking Facebook. That's why it's better to run your Kali Linux system from a bootable USB d ...more

A PirateBox creates a network that allows users to communicate wirelessly, connecting smartphones and laptops even when surrounding infrastructure has been disabled on purpose or destroyed in a disaster. Using a Raspberry Pi, we will make a wireless offline server that hosts f ...more

Format strings are a handy way for programmers to whip up a string from several variables. They are designed to save the programmer time and allow their code to look much cleaner. Unbeknownst to some programmers, format strings can also be used by an attacker to compromise the ...more

Facebook really wants your phone number, nagging you for one as soon as you join. This isn't all bad since it can help secure your account with two-factor authentication. On the flipside, this makes it easy to reveal the private phone numbers of virtually anyone on Facebook, i ...more

Final Fantasy 14 the MMO is now live. The special edition priced at $75 enables people to play eight days earlier than people getting the regular edition, which comes out on September 30th. Mine arrived yesterday and here are some pictures of what's inside the special edition ...more

In previous Android versions, you lost about an inch of screen real estate to the status bar and navigation bar. But if you enable Android 10's new navigation gestures on your Samsung Galaxy, you can regain the bottom part — and with the help of ADB, you can reclaim the top po ...more

Android 11 won't be available as a beta update for Pixel devices until May 2020. Until then, the only way to try the latest Android version is by manually installing it. Usually, this means carrier models are left out since their bootloaders are locked, but there's still a way ...more

Google just released the first version of the next major Android update. Early Android 11 builds will only available as developer previews, so you can't just sign up for the beta program and install the update as an OTA for the first couple months. That said, it's still pretty ...more

You may have noticed your Note 10 came with quite a bit of bloatware. Even the unlocked version of the phone comes with Facebook preinstalled, and if you bought it from a carrier, it's much worse. Luckily, there's a way to remove any apps you don't want, and you don't need roo ...more

The first few minutes after gaining access to a MacBook are critical — but where do we begin? Using tools built into macOS, we can develop an in-depth understanding of running background processes, detect antivirus software, locate sensitive files, and fingerprint other device ...more

Apple first announced Business Chat, a new way for customers to communicate with companies, at WWDC 2017. While Business Chat did not arrive with the initial release of iOS 11, Apple pushed it out in iOS 11.3 so companies can offer customer service in a whole new way, and it w ...more

I currently am and have always been what one might call a PC/Android guy. Many that know me well would likely even go so far as to say I am anti-Apple. About an hour after seeing the ARKit demo during the day-one keynote at WWDC, I became the owner of a brand new Mac. Pair th ...more

The photo-centric Instagram app is a great way to share "evergreen" pictures and videos when compared to Snapchat and Facebook's new Messenger Day feature. But like all social media, keeping the account secure is an essential aspect, as it restricts unwanted viewers from seein ...more

In this Tutorial I will show you how you can use the frequency of letters to decrypt the famous Caesar cipher. I hope it is easy to understand and helpful for getting in touch with basic cryptanalysis. If you find any mistakes or have questions feel free to ask me. Finally I a ...more

Fugu - a simple virus in bash. I once told a friend of mine I'd written a virus in bash and he scoffed - "You can't write a virus in bash!" - he sniggered, like an ignorant idiot. Take my script, read and run it I told him. He declined. I still have that script so thought I ...more

Welcome to a tutorial on XOR encryption. We'll be looking at what XOR is and how we can use it to encrypt or decrypt data. What Is XOR? XOR is a bitwise operation in which each of the bits are compared and applied with the XOR operation according to the following table: We c ...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

Welcome back to another tutorial on functions. Last time, we looked inside memory to see what functions looked like in the flesh and all that Assembly was pretty nasty. At least you have some exposure to it. This time, we will be examining how functions work with the stack. E ...more

With over 10,000 possible combinations, a four-digit passcode may seem secure, but it's fairly easy for someone to crack your code—no matter how clever you think it is. Luckily, there are many other options for securing your iPhone's lock screen—especially if your running iOS ...more

Welcome back, rookie hackers! We recently began an exploration of ways to hack using the Bluetooth protocol. As you know, Bluetooth is a protocol that connects near field devices such as headsets, speakers, and keyboards. Its minimum range is a 10-meter radius (~33 feet) and ...more

At last, what you all finally waited for! Hi! Fire Crackers, Welcome to my 7th post (Part-3), this tutorial will explain about some situations and how to make the Victim's Life like Hell! And fill his system with Malware. #1 Situation: After Exploiting... Go ahead and explo ...more

Welcome back, my fledgling hackers! With this first article, I am initiating a new series intended to convey to my readers the skills necessary to develop your own exploits. As many of you know, soon after an exploit is found in the wild, software developers begin to work on ...more

April Fools may be over, but any day is a good day to prank someone, and the best time to do it is when everyone's eyes are glued to the television. Turning off a TV during a climatic moment is the best way to prank a TV-obsessed sibling or friend, but it's even more hilariou ...more

While there are completely legitimate reasons to use Bitcoin, it's also used by terrorists, drug dealers, and other shady people that need to be investigated. That's where SpiderFoot comes in, which has a command-line interface to search for Bitcoin wallet addresses on a websi ...more

An attacker can create three, five, or even ten new Netcat connections to a compromised MacBook with one command. Performing complex post-exploitation attacks might otherwise be difficult from a single shell without this essential trick. Why Create Multiple Netcat Threads? W ...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

Whether you're in an airport, restaurant or waiting room, the insidious grip of televisions on human life is omnipresent. Sometimes it's nice to talk to other human beings while looking at them directly—actually hearing what they have to say. Thankfully, there's a DIY device ...more

No longer do you need to crowd around your tiny smartphone to watch a funny YouTube video with your friends. If you've got a display nearby with a web browser and internet access, you can take control of it with your mobile device for free with the new Clik app. It's simple. ...more

Your iPhone goes with you everywhere, and its touchscreen interface is all you need to navigate and use all your installed iOS apps. But an external keyboard can make your iPhone an even more efficient tool for productivity tasks such as drafting long emails, composing detaile ...more

It's no secret that the vast majority of Null Byte readers range from beginner to seasoned coding pros and developers. Regardless of whether you're interested primarily in building websites or creating best-selling apps and games, working with a wide variety of programming lan ...more

It's not so difficult to stay at home during the coronavirus lockdown when there's so much free entertainment to take advantage of. That seems to be the M.O. for many studios and streaming services, as they've made so many shows and movies available to the public for free. Tha ...more

Apple's first AR wearable might not arrive until 2022, but we may have an early preview of what it will be like to wear a pair of its smartglasses via iOS 14. Clues found in the code for the next major version of Apple's mobile operating system point to an app with the codena ...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

If you want to carry a variety of network adapters without looking suspicious, a perfect solution is accessing them through Airserv-ng. Tucked away in the Aircrack-ng suite, this tool allows a hacker to plug any number of network adapters into a Raspberry Pi and access them ov ...more

Automating port scanners, directory crawlers, and reconnaissance tools can be complicated for beginners just getting started with Kali Linux. Sparta solves this problem with an easy-to-use graphical interface designed to simplify a penetration tester's tasks. Sparta, authored ...more

With just a few taps, an Android phone can be weaponized into a covert hacking device capable of running tools such as Nmap, Nikto, and Netcat — all without rooting the device. UserLAnd, created by UserLAnd Technologies, is a completely free Android app that makes installing ...more

Rooting usually means sacrifice. With most root methods, you lose access to apps like Netflix and Android Pay when SafetyNet gets tripped. More importantly, you lose the ability to accept OTA updates, forcing you to manually flash new Android versions. But there's a way around ...more

Electronic warfare tactics work by jamming, disrupting, or disabling the technology a target uses to perform a critical function, and IoT devices are especially vulnerable to attacks. Wireless security cameras like the Nest Cam are frequently used to secure critical locations, ...more

With the macOS stager created and the attacker's system hosting the Empire listener, the malicious AppleScript can be designed and disguised to appear as a legitimate PDF using a few Unicode and icon manipulation tricks. A real PDF is required for the attack to work. Files ov ...more

Single sign-on (SSO) lets users login across different sites without having to manage multiple accounts. I'm sure most of us appreciate the convenience of seeing "Sign in with …" buttons that let us login with a single username. Hackers, however, see a possible avenue for expl ...more

There are more than 2 billion Android devices active each month, any of which can be hacked with the use of a remote administration tool, more commonly known as a RAT. AhMyth, one of these powerful tools, can help outsiders monitor a device's location, see SMS messages, take c ...more

Welcome finally, to a tutorial on buffer overflows! At last we have reached an exciting part of this series where I will dedicate the entire article on explaining and exploiting the notorious vulnerability. Grab some popcorn, sit back and enjoy the show. What Is a Buffer Over ...more

In this tutorial we will be go over how we can make use of conditionals. In Perl the main conditional is the if statement. The if statement in Perl is used like this: If (example){ #code } else { #execute a different type of code than above. It is literally that simple! I k ...more

So, you want your terminal to be customized with awesome script every time you fire it up, huh?! Well, look no further because I am here to answer this calling! This "How-To" Will be short, descriptive, and to the point! So, let's get right into it, shall we then? ___________ ...more

This is a followup from my recent series on XSS exploitation, giving a few extra attacks/tricks to try. Google's Prank Google developed a JavaScript code (available here) that you can customize. Basically, it makes all the elements on the page swirl around, fade out to white ...more

There aren't many complaints I can think of when it comes to the Instagram interface, and finding one would just be nitpicking. But like with most things in life, if given the opportunity, why not take advantage? "When in Rome," as they say. So when developer Daniel Osinski r ...more