Write Simple Dictionary Program

I have an absolutely wonderful time making projects and writing articles for all of you mad scientists! Today, I will bring you behind the scenes for a look at the workbench, tools, and software that make the Mad Science World possible. Above is my beautiful workbench! My who ...more

Note: The article assumes that the reader has a fundamental understanding of at least one other programming language, and that this is intended serve as a quick reference for Perl's basic syntax & behavior in regards to Variables, Control Structures, & Functions. Learning to ...more

In this article, we're going to create an additional button in our Word toolbar which creates a PDF file of our loaded file with one simple click. We are going to use the function to create Macros, which are little 'programs' in Office applications. The Macro we are going to w ...more

The road to becoming a skilled white hat is paved with many milestones, one of those being learning how to perform a simple Nmap scan. A little further down that road lies more advanced scanning, along with utilizing a powerful feature of Nmap called the Nmap Scripting Engine. ...more

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 ha ...more

For anyone interested in using cheap, Wi-Fi-connected microcontrollers like the ESP8266, the Arduino programming language can be a barrier to entry. Based on C++, Arduino requires knowledge of more computer science than languages like Python. Fortunately for beginners, setting ...more

The USB Rubber Ducky is a famous attack tool that looks like a USB flash drive but acts like a keyboard when plugged into any unlocked device. The Ducky Script language used to control it is simple and powerful, and it works with Arduino and can run on boards like the ultra-ch ...more

In my last article, I explained why text adventure games are some of the most Steampunk computer games out there. I even shared a free Steampunk text adventure game that I'd made myself! Now, I grew up playing text-based games (which are now known as interactive fiction) such ...more

A relay is an electrical component that works like a light switch, where it's turned on or off with an electrical signal. By connecting a relay to a Wi-Fi connected microcontroller like an ESP8266, you can build a connected switch that can be controlled from the web browser of ...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

While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. ...more

AppleScript is quite an easy scripting language to use. In this guide, I will be showing you several commands. Near the end, I will show how these can be used to create a fake virus that actually does no harm. Of course, this is only one way to use these commands—use your ima ...more

Hello null_byters, after some time out here we are again with another tutorial, continuing our beautiful series, today we will write our first real world bash script. BEFORE WE START Before we start today's lesson Let's recap what we learned in the previous lesson, right now ...more

Greetings fellow students! I'm currently reading a book called "Violent Python: A Cookbook for Hackers, Forensic Analysts, Penetration Testers and Security Engineers" This book will teach you different kinds of Python programs for hacking, forensics or penetration purposes ! ...more

Hello again, readers! In our previous crypter tutorial, we looked at how we could obfuscate our malware (or any program) by using a simple one-byte XOR key. In this quick tutorial, we will be looking at how a simple little tweak can create a better means of obfuscation. Let's ...more

In this article, we will build a parallel password cracker using the techniques explained in the previous part. As SHA-512 is the digest function that Kali (and most modern Linux distributions) use to store our passwords, we will make a SHA-512 password cracker. I will use Ka ...more

Welcome back, my amateur hackers! Over the course of the next year, we will be developing our own zero-day exploits. In my first article in this series, I introduced you to buffer overflows, which are the source of some of the most lethal exploits, particularly the "remote co ...more

In this article, I'll be continuing my series on microcontrollers. If you haven't read part one, I'd recommend heading over there and reading it! So How Does Arduino Think? Arduino is programmed with ones and zeros, but hopefully that's not how we programmers have to write t ...more

TouchDevelop is a browser-based programming tool that allows anyone to build your own Windows 8 apps directly from any touchscreen device, including iPad, iPhone, Windows Phone, Android, PC and Macs. Once the script is created and the app proves to work, it can be placed in th ...more

Thanks to Flutter, it's now possible to control the music on your computer simply by making a few hand gestures. The app is available for both Windows and Mac and uses your computer's webcam to monitor your hand movements. Through the use of a few simple hand movements, you ca ...more

Bash scripting is a convenient way to automate things on any Linux system, and we're going to use it here to automate certain tasks we use all the time. Bash is a simple language for stringing together several different Linux utilities. Its simplicity makes it easy for beginn ...more

Choosing which programming language to learn next can be a truly daunting task. That's the case regardless of whether you're a Null Byter just beginning a career in development and cybersecurity or you're a seasoned ethical hacking and penetration tester with years of extensiv ...more

Hello fellow training hackers. I do not know if many of you are familiar with ruby, but since it is a useful scripting language, that hasn't been covered too much here on Null Byte, I thought why not do some How-tos about it now and then. The idea is to write simple scripts ...more

Millions of travelers pass through airports each day without understanding how powerful and insecure a boarding pass can be. Anyone can scan the boarding pass barcode with a mobile app, allowing access to frequent-flyer accounts and even a passenger's temporary airline account ...more

Web application vulnerabilities are one of the most crucial points of consideration in any penetration test or security evaluation. While some security areas require a home network or computer for testing, creating a test website to learn web app security requires a slightly d ...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

In our previous article, we learned how to take advantage of a feature, Dynamic Data Exchange (DDE), to run malicious code when an MS Word document is opened. Because Microsoft built DDE into all of its Office products as a way to transfer data one time or continuously between ...more

The pictures we upload online are something we tend to think of as self-expression, but these very images can carry code to steal our passwords and data. Profile pictures, avatars, and image galleries are used all over the internet. While all images carry digital picture data ...more

Welcome to a tutorial on crypting technology. In this article, we will be discussing types of crypters, how they work and why they work. After defining these, we will then make our own basic crypter using the function I gave to you as a task to complete by yourself in the prev ...more

Combination locks in Minecraft can be really simple or frustratingly difficult, but no matter how complicated they are, some of them fall victim to the same simple exploits. First, I suggest you watch this video, which will explain the whole thing for you. Then I'll go over i ...more

This is my first ever how-to so I apologize in advance for any grammar mistakes or spelling errors. Introduction This is what I'm planning on being a series of c++ coding articles. This one in particular are gonna be a series of programs for various password cracking methods ...more

Hello fellow gray hat hackers, I wrote a program in python that helps me to fill up my proxychains.conf file, so I don't have to manually enter in the proxies. I figured I will give a little how-to of how I did it and maybe I could help some of you(hackers) out there to stay a ...more

Welcome back to a tutorial on malware. We'll be discovering a method to beef up our little trooper. Without further ado, let's jump right in! Recap In the previous tutorial, we learned how to write a program which opened itself for reading to write to a host file, overwritin ...more

OK, In my last Tutorial we made a Server for sending Instructions to a Client. This time we will build the Client. Fire up your favourite Python environment and get the Code here. The Server Code ---Imports--- -socket is again for the connection -time is for pausing the Clie ...more

Ruby is a dynamic, general-purpose programming language created by Yukihiro "Matz" Matsumoto in Japan around the mid-90's. It has many uses but with it's flexibility, it makes a great language to write exploits in. In fact, the entire Metasploit Framework is written in Ruby! T ...more

Welcome back, friends! Many times, businesses, friends, and family will lock their zip files with a password to keep their files secure. It is reasonable, and understandable. Well, thanks to hackers, there are many ways to get past this wall of security. (The idea and recourc ...more

Welcome back, my hacker apprentices! In recent weeks, the revelation that the NSA has been spying on all of us has many people up in arms. I guess I take it all in stride as I just assume that the NSA is spying on all of us—all of the time. Don't get me wrong, I don't condone ...more

I obviously do a lot of Steampunk projects, but there are a ton of things out there that I haven't tried yet. So, in an effort to broaden my horizons, I recently taught myself how to use Arduinos, which I plan to incorporate into some of my future Steampunk builds. Since ther ...more

UnrealIRCd is an open-source IRC server that has been around since 1999 and is perhaps the most widely used one today. Version 3.2.8.1 was vulnerable to remote code execution due to a backdoor in the software. Today, we will be exploiting the vulnerability with Metasploit, exa ...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

When performing something such as a mass mailer attack on a company, sending executables usually isn't the best option. That's why, in this tutorial, I'll be teaching you how to code a VBA script macro into a Word document in order to compromise a system. Combined with a littl ...more

What's up readers? Today I'll be introducing to you a new vulnerability called the Format String vulnerability (in case you missed the title). It won't be much, just a little motivation to keep you guys going. A little teaser, if you may. Pre-requisite information: For those ...more

Do you ever thought that you can't control an Internet disconnected system? I saw a funny video in Chema Alonso's youtube channel (A well-known hacker of my country and creator of Fingerprinting Organizations with Collected Archives among other security tools), and decided to ...more

Hi there, Crackers, Welcome to my 7th post (Part-1), this tutorial will explain about the basics of Batch Scripting. Why Batch? Batch is a really easy and interesting scripting language, it is used for malicious purposes, i.e. how can you exploit the victim's PC/life, furthe ...more

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 tangib ...more

Coders are accustomed to working remotely. The beauty of coding is that all you need is a laptop and a WiFi connection, which makes working anywhere a fairly simple transition. If you're looking for a career change, now might be the perfect time to give coding a try. There ar ...more

Individually addressable LEDs, also commonly called "NeoPixels" after the popular Adafruit product, are a bright and colorful way to get started with basic Python programming. With an inexpensive ESP8266 or ESP32 microcontroller, it's easy to get started programming your own h ...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

When we are building programs that communicate over a network, how can we keep our data private? The last thing we want is some other lousy hacker sniffing our packets, so how do we stop them? The easy answer: encryption. However, this is a very wide-ranging answer. Today we'r ...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

Welcome back! In our last training session we covered classes and how OOP can make programming/scripting easier. Today we'll be taking a breather and covering something fairly simple, bitwise operators. Bitwise operators are relatively simple. Essentially, when we use bitwise ...more

When the Galaxy S6 hype-train was building momentum ahead of the phone's release, many reports had Samsung cutting back on its much-maligned TouchWiz skin. In the end, these reports were either highly exaggerated or entirely fabricated, because while not as egregious as previo ...more

Welcome back, my rookie hackers! So many readers come to Null Byte to learn how to hack Wi-Fi networks (this is the most popular hacking area on Null Byte) that I thought I should write a "how-to" on selecting a good Wi-Fi hacking strategy. Many beginners come here looking t ...more

Hi nullbytes! I've been recently reading the whole Linux Basics for the Aspiring Hacker series and felt like it was missing some stuff I know, so I felt like sharing it with anyone who might find it useful too. Apt-Get I wonder why this was omitted in Chapter 5, apt-get is a ...more

Welcome to the sequel to the latest post on writing 64 bit shellcode! This tutorial will assume that you are aware of everything mentioned in the last one, as I will try to make this tutorial void of formalities and straight to the point! If you have not read the last one, I s ...more

In this simple tutorial you will be shown step-by-step how to write local shellcode for use on 64-Bit Linux systems. Shellcode is simple code, usually written in assembly that is used as payload in exploits such as buffer overflow attacks. Payloads are the arrow head of an exp ...more

Video: . Project Overview Have any old school floppy drives lying around? Get hacking... and transform them into an electronic orchestra! This project uses a myRIO embedded controller and four floppy disk drives. The myRIO effectively plays the disk drives like musical instru ...more

Without a comprehensive root method for all Android phones and tablets, a device-specific approach is needed. And since we always cover new rooting methods for all the popular phones here at Gadget Hacks, we've built this always-updated guide to rooting many mainstream Android ...more

Welcome back, my apprentice hackers! In this series on password cracking, I have been attempting to develop your skills in the age-old art of password cracking. Although it might seem like a simple and straightforward exercise, those of you who have attempted password crackin ...more

Do you take your notes on a word processor while browsing the web? Well, stop. There's an easier, less RAM hungry way to take notes by turning the tab of your web browser into a notepad. Whether it's an email address, a line of code, a new how-to, or an idea you don't want to ...more