Null Byte How-Tos

How To: Get Started with Python with This One-Hour Course for Just $14.99

If you have information technology or computer science aspirations — even white hat hacking — then Python is a programming language you absolutely have to be familiar with. According to a recent survey of industry experts, Python is the fastest-growing language in the developer field. It's also one of the most sought-after skill sets among employers and is responsible for some of the best hacking tools.

How To: Scan Websites for Potential Vulnerabilities Using the Vega Vulnerability Scanner in Kali Linux

Withstanding an attack from a motivated hacker is one of the most important responsibilities a system administrator must undertake. This is especially true for websites that may contain sensitive customer information and a high volume of users. So it's important for a sysadmin to take proactive measures to find and fix vulnerabilities in their websites.

How To: 13 Black Friday Deals on Courses That Will Beef Up Your Hacking & Programming Skill Set

It's Black Friday time, and in 2020, that means a lot of online deals to make up for more stores closing on Thanksgiving, as well as everyone avoiding in-person shopping because of the coronavirus. But while you may wish to grab a better 65-inch 4K TV, the new PlayStation 5, or some hacker hardware on sale, Black Friday is also the best time to invest in your programming and cybersecurity education.

How To: Save 50% on a Lifetime Subscription to the #1 Top-Grossing Language-Learning App in the World

There's no denying that adding more programming languages to your arsenal is crucial to boosting your career, but learning a new language in the literal sense is just as enriching and mentally stimulating. Not only will you be smarter — those who know more than one language are known to have better reasoning, problem-solving skills, and creativity — but it'll also open you up to more job opportunities.

How To: Hack Computers Over Wi-Fi with the WiFi Duck Payload Deliverer

The USB Rubber Ducky is a well-known hacking device in the cybersecurity industry, but it needs to be preprogrammed before it can be used. That means it's not easy to issue commands to a target computer since you can't interact with it from afar after plugging it in. And if you don't know what the target computer is, you might come up empty. That's where the WiFi Duck comes in handy.

How To: Add MATLAB to Your Programming Toolkit with This Bundle

It's no secret that more and more talented computer science gurus and programmers are turning toward high-paying careers in engineering. Today's engineers stand at the forefront of some of the world's most important and exciting technological innovations — ranging from self-driving cars and surgical robots to large-scale construction projects and even space exploration—and our reliance on these talented data-driven professionals is only going to grow in the coming years.

How To: Code a Dead Man's Switch in Python 3 to Encrypt & Delete Files Whenever You Don't Check In

A dead man's switch is a fairly simple concept. If you don't perform a specific task before a set amount of time, it'll perform a specific action you set. They can be handy not just for hackers but for everyone who wants to protect themselves, someone else, or something tangible or intangible from harm. While there are more nefarious uses for a dead man's switch, white hats can put one to good use.

How To: Use Banner Grabbing to Aid in Reconnaissance & See What Services Are Running on the System

As we've seen with other tools and utilities, administrators typically use certain things to do their job more efficiently, and those things are often abused by attackers for exploitation. After all, hacking is just the process of getting a computer to do things in unexpected ways. Today, we will be covering various methods to perform banner grabbing to learn more about the target system.

How To: Discover Hidden Subdomains on Any Website with Subfinder

When approaching a target, having a precise and detailed plan of attack is absolutely necessary. One of the main goals is to increase the attack surface since the more opportunities there are for exploitation, the greater the chances of success. Subdomain enumeration is one method used to increase the attack surface, and we'll be using a tool called Subfinder to discover hidden subdomains.

How To: Use Gtfo to Search for Abusable Binaries During Post-Exploitation

GTFOBins and LOLBAS are projects with the goal of documenting native binaries that can be abused and exploited by attackers on Unix and Windows systems, respectfully. These binaries are often used for "living off the land" techniques during post-exploitation. In this tutorial, we will be exploring gtfo, a tool used to search these projects for abusable binaries right from the command line.

How To: Escape Restricted Shell Environments on Linux

The moment arrives when you finally pop a shell on the web server you've been working on, only you find yourself in a strange environment with limited functionality. Restricted shells are often used as an additional line of defense and can be frustrating for an attacker to stumble upon. But with enough patience and persistence, it is possible to escape these restricted environments.

How To: This Extensive Adobe Design Training Is on Sale for Just $50

If you want to be truly competitive and successful in the world of web and app development, it's not enough to simply know a handful of programming languages and coding platforms. Today's best sites and apps require pro-level graphics and user interfaces, and knowing how to work with a wide range of graphic design tools is essential if you want to land lucrative positions as either an employee or a freelancer.

How To: Use Mitaka to Perform In-Browser OSINT to Identify Malware, Sketchy Sites, Shady Emails & More

Web browser extensions are one of the simplest ways to get starting using open-source intelligence tools because they're cross-platform. So anyone using Chrome on Linux, macOS, and Windows can use them all the same. The same goes for Firefox. One desktop browser add-on, in particular, makes OSINT as easy as right-clicking to search for hashes, email addresses, and URLs.

How To: Use Linux Smart Enumeration to Discover Paths to Privesc

Privilege escalation is the technique used to exploit certain flaws to obtain elevated permissions relative to the current user. There are a vast number of methods out there to go from user to root on Linux, and keeping track of them all can be difficult. This is where automation comes into play, and a privilege escalation script called Linux Smart Enumeration is one to take advantage of.

How To: Get 50+ Educational Apps for Your Kids for Just $20

It's common knowledge that when it comes to your child being happy and successful in life, giving them access to an excellent education is paramount. Whether your son or daughter grows up to be an engineer or an artist, they should be well-rounded in a wide range of diverse disciplines to take advantage of all the opportunities that will inevitably come their way.

How To: Fuzz Parameters, Directories & More with Ffuf

The art of fuzzing is a vital skill for any penetration tester or hacker to possess. The faster you fuzz, and the more efficiently you are at doing it, the closer you come to achieving your goal, whether that means finding a valid bug or discovering an initial attack vector. A tool called ffuf comes in handy to help speed things along and fuzz for parameters, directors, and more.

How To: This Best-Selling VPN Is on Sale for Just $12 Today

Now that more people are working from home on unsecured networks and personal devices, hackers are having a field day accessing everything from private browsing histories to personal banking information. A virtual private network (VPN) is the first and most important line of defense when it comes to protecting all of your devices from digital intrusions, but not all VPNs are created equal.