Unix Shell Search Results

Exploit Development: How to Learn Binary Exploitation with Protostar

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 lowest level. This is referred to as binary exploitation, and today we're going to check out a tool known as Protostar.

Buyer's Guide: Top 20 Hacker Holiday Gifts for Christmas 2017

Hackers can be notoriously difficult to buy gifts for, so we've curated a list of the top 20 most popular items Null Byte readers are buying during their ethical-hacking studies. Whether you're buying a gift for a friend or have been dying to share this list with someone shopping for you, we've got you covered with our 2017 selection of hacker holiday gifts — just in time for Christmas.

How To: Take Control of the Mouse & Keyboard in Python

While hackers adore the command line, working with the GUI (graphical user interface) of an operating system has some advantages. This is especially true when it comes to post-exploitation. When we can control the mouse and keyboard of a remote computer, we can truly say we have complete control over the device. Today, I'm going to introduce to you the PyAutoGUI module, which does just that, and just how much fun you can have with it!

How to Use PowerShell Empire: Getting Started with Post-Exploitation of Windows Hosts

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 computer without the antivirus software knowing about it. If we are lucky, we might even be able to obtain domain administrator credentials and own the whole network.

How To: Fingerprint Web Apps & Servers for Better Recon & More Successful Hacks

Web applications are ubiquitous in the modern online world, and knowing how to attack them is an increasingly valuable skill. But the key to a successful attack is good recon since it's easier to be focused and efficient with the more information you have. There are many fingerprinting tools available, such as httprint and WebTech, but there are even more that can aid us in reconnaissance.

AirTag Accessories: The Top Cases & Covers for Apple's New AirTag Trackers

After years of speculation and rumors, Apple finally debuted AirTag, its tiny Bluetooth tracking device, during its spring 2021 event on April 20. Unlike with Tile trackers, there's no way to attach an AirTag to an object, but there's an entire market out there for AirTag accessories so that you can put one on your keychain, bike, or any other object that you can't just toss a naked AirTag in or onto.

How To: Write Your Own Bash Script to Automate Recon

Automation has been a buzz word for quite some time now, but the principles behind it are as strong as ever. For a hacker or pentester, Bash scripting is one form of automation that cannot be ignored. Virtually any command that can be run from the terminal can be scripted — and should be, in many cases — to save valuable time and effort. And a Bash script just happens to be great for recon.

How To: Get Started with Kali Linux in 2020

Kali Linux has come a long way since its BackTrack days, and it's still widely considered the ultimate Linux distribution for penetration testing. The system has undergone quite the transformation since its old days and includes an updated look, improved performance, and some significant changes to how it's used.

How To: The Best Learning Apps on Your Phone for 18-Month-Olds

Give an 18-month-old a shoe, check back 10 minutes later, and it's a very big maybe he will have it on his foot. But give him your smartphone, and in a mere five minutes, he can take 100 pictures of the carpet, send weird messages, and delete essential apps. Imagine what your child could do if they were able to harness this technical aptitude and put it to good use — and they can, with learning apps.

How To: Use SELinux Targeted Policy to Secure Your Hosts

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 us, we can limit the damage caused by those mistakes by running SELinux.

How To: When You Can't Sleep, Eat This

Being able to sleep deeply and fully is one of the foundations for real health. When you go without it, you feel subhuman and incapable of dealing with the world—just ask a student who's had to pull an all-nighter or the parents of a newborn. In fact, many studies have shown that lack of sleep or irregular sleep is linked to acne, weight gain, and depression.

How To: Always-Updated List of Apps That Let You Change Their Home Screen Icons on Your iPhone

Apple's Shortcuts app lets you make and use custom icons for any app on your iPhone, but it won't actually replace any icons. If your goal is to change the official icon for the app itself without any redirects, there's a growing list of third-party apps that'll let you do just that.

How To: 13 Protective Cases That'll Safeguard Your New iPhone 12 or 12 Pro & Still Make It Look Cool

Apple announced four different iPhone models during its Oct. 13 web-only event, but only two of them can be purchased this month: the iPhone 12 and iPhone 12 Pro. Preorders have already started for the two smartphones, and you could have one in your hands as early as Oct. 23, if you're lucky. To help keep your shiny new iPhone protected from scratches and cracks, try one of these cases.

How To: Use Your iPhone to Control Your Mac — Lock, Restart, Shut Down, Mute, Sleep, Browse Files, Play Audio & More

Your iPhone and Mac can speak to each other in many ways, allowing you to start work on one device and seamlessly switch to the other, share clipboards between the two, and pick up phone calls and answer text messages on both. The compatibility is incredible, but there's even more you can do by incorporating third-party software into the mix.

How To: 11 Unique Effects to Make Your iPhone Photos & Videos Less Boring on Social Media

Social media apps like Instagram, Snapchat, and TikTok have plenty of editing tools that go beyond the basics, but there are still a lot of things they can't do. So if you want to apply interesting, unique effects to your photos and videos for social media, you'll need to add some other apps to your iPhone's arsenal of tools.

How To: Crack SSH Private Key Passwords with John the Ripper

Secure Shell is one of the most common network protocols, typically used to manage remote machines through an encrypted connection. However, SSH is prone to password brute-forcing. Key-based authentication is much more secure, and private keys can even be encrypted for additional security. But even that isn't bulletproof since SSH private key passwords can be cracked using John the Ripper.

How To: Discover & Attack Raspberry Pis Using Default Credentials with Rpi-hunter

When setting up a Raspberry Pi, it's easy to overlook changing the default password. Like many IoT devices, the Raspberry Pi's default Raspbian operating system installs with a widely-known default password, leaving the device vulnerable to remote access. Using a tool called rpi-hunter, hackers can discover, access, and drop custom payloads on any weak Pi connected to the same network.

Analyzing the Hacks: The Girl in the Spider's Web Explained

The latest film addition in the American-produced Millennium series, The Girl in the Spider's Web, was just released on Blu-ray a few days ago. As you could expect, the movie has many hacking scenes throughout, just like the previous English and Swedish language movies centered around hacker Lisbeth Salander. Of course, with the quick pace of some scenes, the hacks can be hard to follow.

How To: All the Apps You Need to Make That Perfect Story

Stories are everywhere in social media today, but that wasn't always the case. In 2013, Snapchat introduced the world to these temporary windows into our daily lives. Since then, stories have infiltrated other popular apps. However, to stand out, you can't solely rely on the app where the story will be posted. Instead, you need a suite of apps that can turn your story into something special.