So, you rooted your Pixel 2 or 2 XL and everything seems to be working quite well. However, a month passes, and you get a notification to install the monthly security update. Like clockwork, Google has been pushing out OTA security patches every single month for a while, but t ...more
One of the issues with rooting your device is the inability to update your phone via OTA. Any security patches or software updates pushed out by the OEM are lost because your bootloader is unlocked. However, you still can update your device, it just a take a bit more effort. ...more
Despite its rocky start, the Essential PH-1 has a lot going for it. Not only does it get consistent security patches and system updates hours after the Pixels, but like the Google-developed lineup, it's also great for rooting. Not only is your warranty not void with rooting, b ...more
For modders, there are few tools more important than TWRP. TeamWin's custom recovery makes flashing mods like Magisk, Xposed, and custom ROMs incredibly easy, and it lets you root your phone at the press of a button. On top of that, it can make complete backups of your phone i ...more
In order to increase the security and harden the integrity of an email account and its content, you'll want to use PGP on your Windows, macOS, or Linux computer. This is usually the first thing security analysts do to protect communications with encryption, and everyone else s ...more
Kali Linux, by default, probably doesn't have everything you need to get you through day-to-day penetration testing with ease. With a few tips, tricks, and applications, we can quickly get started using Kali like a professional white hat. Most Linux distributions are highly c ...more
Think back to when you last wanted to transfer some music or videos to your friend's smartphone and how difficult and slow it was. As powerful as our phones are, the default file sharing options are limited. There are, fortunately, some better options which make moving files e ...more
Transferring hundreds of screenshots, webcam recordings, keystroke logs, and audio recordings between your VPS and a local Kali machine can be tricky. Services like Dropbox don't always have the best privacy policies and suffer data breaches just like any other website. To mit ...more
Once you've installed Ubuntu with security in mind and reduced the possibility of network attacks on your system, you can start thinking about security on an application level. If a malicious file is opened on your system, will an attacker be able to access every file on the c ...more
With all the web applications out on the internet today, and especially the ones built and configured by novices, it's easy to find vulnerabilities. Some are more perilous than others, but the consequences of even the slightest breach can be tremendous in the hands of a skille ...more
When it comes to modding Android, there's no better tool than Team Win's TWRP custom recovery. You can use it to root your phone, flash mods like Magisk or Xposed, and even replace the entire operating system with a custom ROM like LineageOS — honestly, there's not much this u ...more
If you're using a mobile device, it's a pretty safe bet that your apps are sending lots of information back and forth from their servers. To make sure there is no inappropriate data collection going on, it's worth setting up a web proxy to spy on this traffic, so you know exac ...more
It's easy to run Kali Linux from a live USB on nearly any available computer, but many publicly accessible laptops and desktops will be locked down to prevent such use. School, work, or library PCs can be secured with a BIOS password, which is often an easily recovered default ...more
Passwords and data stored in web browsers are extremely valuable to hackers. If not for financial gain, black hat hackers may still leak your passwords and personal information for amusement. Never undervalue what you're worth to a hacker. While I'm definitely no black hat, d ...more
Don't think because your MacBook is using FileVault disk encryption your device is secure or immune to hackers. Here's how to find out if that FileVault password is strong enough to withstand an attack from a motivated attacker. FileVault, created by Apple in 2003, is a hard ...more
Despite years of user complaints, OEMs are still preinstalling third-party apps on brand new devices. Even in 2019, you'll still find plenty of phones with Facebook preinstalled. What's worse, it's installed as a system app, so it can't normally be uninstalled without root acc ...more
Kali Linux is established as the go-to operating system for penetration testing, but in its default configuration, it's less than ideal for regular desktop use. While in many scenarios, a live boot or virtual environment can resolve these issues, in some situations, a full ins ...more
The conversation of which operating system is most secure, macOS vs. Windows, is an ongoing debate. Most will say macOS is more secure, but I'd like to weigh in by showing how to backdoor a MacBook in less than two minutes and maintain a persistent shell using tools already bu ...more
While our time with the Protostar VM from Exploit Exercises was lovely, we must move on to bigger things and harder challenges. Exploit Exercises' Fusion VM offers some more challenging binary exploitation levels for us to tackle. The biggest change is that these levels are al ...more
The microphone in a Windows computer is accessible to most applications running on the device at all times and completely without security limitations. Information gathered from recorded audio conversations taking place in the surrounding area of a compromised computer can be ...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
Using a keylogger to intercept keys pressed on an infected computer can circumvent encryption used by email and secure chat clients. The collected data can often reveal usernames, passwords, and potentially compromising and private information which hackers abuse for financial ...more
Deleted bank statements and private photos are still within an attacker's grasp, so don't think that emptying your recycling bin is enough to keep your files from coming back to life. It's possible for a hacker to recover compromising files and images from a backdoored compute ...more
Screenshots taken from a compromised computer can provide hackers with access to private emails, photographs, and information found in sensitive documents. This data can be used by the attackers to build profiles of a target for social engineering attacks and blackmail or even ...more
A powered-off Windows 10 laptop can be compromised in less than three minutes. With just a few keystrokes, it's possible for a hacker to remove all antivirus software, create a backdoor, and capture webcam images and passwords, among other highly sensitive personal data. The ...more
After a hacker has configured Metasploit on a remote private server, created a resource script for automation, and created a simple payload, he or she can begin the process of remotely controlling someone's Windows 10 computer with just a few moments of physical access — even ...more
Putting your Galaxy S9 in Immersive Mode lets you truly enjoy the gorgeous display that Samsung is so famous for. You can't have it set on at all times, however, so you'll still have to deal with the status and navigation bars that cut the phone's aspect ratio down to that of ...more
While installing the new Android 9.0 Developer Preview is fairly easy if you're using a Windows machine, it's a little trickier if you want to use macOS instead. To help you get the latest Android OS on your Google Pixel phone, we'll break down the whole process so using your ...more
With an ordinary birthday card, we can introduce a physical device which contains malicious files into someone's home and deceive them into inserting the device into a computer. In my last series, we used a Post-it note to trick a neighbor into visiting a website that we cont ...more
In the previous article in this short series, we learned how to find our neighbor's name using publicly accessible information and how to monitor device activity on their home network. With this information at our disposal, it's time to get into installing and configuring the ...more
A massive leak appeared the web today, and it's got some huge security implications for every iPhone on the market. On the plus side, it also has some potential for enabling deep-level modifications and jailbreak tweaks. GitHub user ZioShiba posted the iBoot source code for i ...more
To please those of us who love to mod and root our Androids, OnePlus has made both the OnePlus 5 and 5T relatively easy to customize — so much so that the 5T topped our list for the best phones for rooting. Unfortunately, unlocking the bootloader and using root to modify the f ...more
Coinhive, a JavaScript cryptocurrency miner, was reportedly discovered on the BlackBerry Mobile website. It was placed there by hackers who exploited a vulnerability in the site's e-commerce software that allowed them to anonymously mine cryptocurrency every time the website w ...more
Your home has walls for privacy, but Wi-Fi signals passing through them and can be detected up to a mile away with a directional Wi-Fi antenna and a direct line of sight. An amazing amount of information can be learned from this data, including when residents come and go, the ...more
Android used to have a notification ticker, but those days are long gone. Now, important new messages pop up on the top half of your screen with what's known as a "heads up notification." If you're in the middle of something, these popup notifications can be pretty annoying — ...more
Many guides on Null Byte require using the Secure Shell (SSH) to connect to a remote server. Unfortunately for beginners, learning to use SSH can become a confusing mix of third-party programs and native OS support. For Chrome OS users, using SSH is even more difficult. We'll ...more
Whether you're new to Android or you just haven't kept up on the app scene lately, we hand-picked over one hundred essential apps that are all designed to improve your experience. From custom launchers and icon packs to weather apps and file explorers, there's something for ev ...more
Connecting to your headless Raspberry Pi on the go typically requires a network connection or carrying around bulky peripheral hardware like a screen and keyboard. With the help of an old-school connecting standard, though, you can log into your Pi from any computer using a si ...more
Over the past month, we've spent significant time covering Samsung's Oreo Beta program, and the detailed list of features in Oreo is extensive for the Galaxy S8 and S8+. Many of you were upset when the Galaxy Note 8 was left out of the official Oreo beta program entirely, but ...more
With Virtual Network Computing, you don't need to carry a spare keyboard, mouse, or monitor to use your headless computer's full graphical user interface (GUI). Instead, you can connect remotely to it through any available computer or smartphone. Virtual Network Computing, be ...more
OpenBSD implements security in its development in a way that no other operating system on the planet does. Learning to use the Unix-like operating system can help a hacker understand secure development, create better servers, and improve their understanding of the BSD operatin ...more
Networking is built largely on trust. Most devices do not verify that another device is what it identifies itself to be, so long as it functions as expected. In the case of a man-in-the-middle attack, we can abuse this trust by impersonating a wireless access point, allowing u ...more
Despite concerns with SafetyNet, Google actually cares about root. Every phone they sell has an unlockable bootloader, so you can toggle a setting and send a Fastboot command, then start flashing custom firmware right away. The Pixel 2 and Pixel 2 XL continue this tradition, a ...more
Root, TWRP, Xposed, Magisk, custom ROMs — before you can have any of these, the first thing you should do is unlock your bootloader. Thankfully, the Pixel 2 and Pixel 2 XL are some of the most modder-friendly phones out there, so you only need to send a single fastboot command ...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
With the V30, LG has really delivered an amazing smartphone that hits all the major features consumers want. Amazing camera, beautiful edge-to-edge display, great battery life, water resistance, and smooth performance — there isn't much not to like about the LG V30. Unfortunat ...more
The default tool for payload generation is MSFvenom, a Metasploit standalone payload generator as well as encoder. This tool is an incredibly powerful tool for payload generation, but it can be difficult and requires a bit of reading for newer users. Even after the initial re ...more
A mention of the deep web can bring to mind images of drugs, hackers, and other criminal activity. Despite the presence of these elements, the Tor network is a valuable tool for preserving privacy and anonymity. And browsing the deep web and any hidden services can be as simpl ...more
Barrow's article on Pupy made me wish for a RAT that could target an OS frequently used by gatekeepers at startups, tech companies, and creative firms: macOS. Once run, a RAT can do severe damage by dumping a user's stored credentials for many accounts. The best loot lives in ...more
In one of my previous articles, I discussed ShinoBot, a remote administration tool that makes itself obvious. The goal is to see if the user could detect a remote administration tool or RAT on their system. In this article, I'll be demonstrating the use of Pupy, an actual RAT, ...more
Bluetooth Low Energy (BLE) is the de facto wireless protocol choice by many wearables developers, and much of the emerging internet of things (IoT) market. Thanks to it's near ubiquity in modern smartphones, tablets, and computers, BLE represents a large and frequently insecur ...more
Kali Linux is the obvious first choice of an operating system for most new hackers, coming bundled with a curated collection of tools organized into easy-to-navigate menus and a live boot option that is very newbie-friendly. But Kali isn't the only distribution targeted at pen ...more
In 2013, Offensive Security released Kali Linux, a rebuild of BackTrack Linux derived from Debian. Since then, Kali has gone on to become somewhat of a standard for penetration testing. It comes preconfigured with a collection of tools accessible by a menu system, tied togethe ...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
The dark web is an intimidating place for a newbie hacker, but it's a powerful tool once you've learned to navigate it safely. To help you out with that, this guide will cover some need-to-know information for traversing the dark corners of the internet while keeping your iden ...more
Cross-compilation allows you to develop for one platform (like Kali) and compile to run on a different platform (such as Windows). For developers, it means that they can work on their platform of choice and compile their code for their target platform. For hackers, it means we ...more
The Xposed Framework is an incredibly powerful tool. But because of this power, there's a chance that something could go wrong when installing a broken or incompatible module, which can cause bootloops or even soft-brick your phone. Depending on how bad the situation is, the ...more
Sharing your Wi-Fi password is like giving an unlimited pass to snoop around your network, allowing direct access even to LAN-connected devices like printers, routers, and security cameras. Most networks allow users to scan and attempt to log in to these connected devices. And ...more
The OnePlus 5 had been in the hands of the public for a meager twenty hours before developers on XDA released a custom recovery image for it, and the 5T had a similar trajectory. The installation process is simple enough, but it can be somewhat confusing if you're new to moddi ...more
The Raspberry Pi loads an operating system from whatever SD card you insert, allowing you to keep different operating systems on separate SD cards depending on which OS you wish to run. A tool called BerryBoot cuts down on the number of SD cards needed by providing the ability ...more