String Coin Machine

The ability to execute system commands via a vulnerable web application makes command injection a fruitful attack vector for any hacker. But while this type of vulnerability is highly prized, it can often take quite a bit of time to probe through an entire application to find ...more

In the first part of my containers series, we learned how to install Docker on our local machine, pull down "hello-world" and Ubuntu containers, SSH into containers, and install software when in a container. Now, we're going to work on building, customizing, and storing our re ...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 people, I'm back for Part-3. In this part, as promised, we are going to create a client program and then we are going to test it with our server program made in Part-2. Much of the code that we are going to use in our client program as already been explained in Part-2 w ...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

Welcome back, my novice hackers! In this continuing series on Metasploit basics, let's next look at a module that many aspiring hackers find useful—autopwn. Generally, when we are trying to hack a target, we want to know as much as possible about the target through reconnais ...more

Emojis have transformed the way we laugh and cry, tell stories, give responses, and express excitement to get a drink after work — without any actual text required. Heck, in an incredibly meta move, the Oxford Dictionary even named the "Face with Tears of Joy" emoji as their w ...more

Welcome back, my aspiring hackers! In recent tutorials, I have made reference to the name and location of the Linux devices in the file system, such as sda (first SATA or SCSI drive). Specifically, I have mentioned the way that Linux designates hard drives when making an imag ...more

At one point in the '90s, about fifty percent of the CDs produced worldwide had an AOL logo. About fifty percent of the CDs in my home still have that AOL promise of 500 free hours on them. Though they never got me to join their internet service, I did get a lifetime supply of ...more

From Time Machine to Cartoon 3D Style, Snapchat has strung together a run of viral AR Lenses as consistently as Beyoncé drops hits songs. The latest example is Smile, an AR Lens that, according to a Snap spokesperson, uses a machine-learning algorithm to morph a person's like ...more

While our smartphones are many things, one of their primary functions is to make calls. Many of us try to avoid ever having to make calls, but there are situations when it's a must, such as wishing your grandma happy Birthday or calling 911 — and in those times you want stella ...more

Koadic allows hackers to monitor and control exploited Windows systems remotely. The tool facilitates remote access to Windows devices via the Windows Script Host, working with practically every version of Windows. Koadic is capable of sitting entirely in memory to evade detec ...more

The threat of an evil access point has been around for a long time, and with the rise of open public Wi-Fi, that threat is often overshadowed by how comfortable we are using third-party Wi-Fi hotspots at coffee shops and public spaces. While we've shown an evil twin attack usi ...more

This is a short explanation and tutorial on how to grab saved passwords from Google Chrome, ideally from a meterpreter session. The idea behind this is to understand how saved passwords work and how to keep them safe. Let's have some fun :D Understanding Google Chrome Saved Pa ...more

Welcome back, my hacker apprentices! Metasploit framework is an incredible hacking and pentesting tool that every hacker worth their salt should be conversant and capable on. In a previous post, I had provided you a cheat sheet of meterpreter commands. These commands are ess ...more

Without admin privileges, installing additional software, or modifying the Windows 10 firewall, an attacker can alter a router and perform a variety of exploits. It's accomplished by forwarding requests from Kali through a backdoored Windows computer to the router gateway with ...more

Gathering information on an online target can be a time-consuming activity, especially if you only need specific pieces of information about a target with a lot of subdomains. We can use a web crawler designed for OSINT called Photon to do the heavy lifting, sifting through UR ...more

Smartphone videos get better and better each year. Seven or eight years ago, who would have thought iPhone and Android phones could support 4K video recording. Some phones can even shoot slow-motion at 960 fps. But no matter the resolution or frame rate, a phone's rolling shut ...more

Information gathering is one of the most important steps in pentesting or hacking, and it can often be more rewarding to run things on the target itself as opposed to just running scripts against it remotely. With an SQL injection, a hacker can compromise a server and, ultimat ...more

With the number of web applications out there today, it comes as no surprise that there are just as many vulnerabilities waiting for hackers to discover. Finding those vulnerabilities can be a difficult task, but there are plenty of tools available to make the process easier. ...more

In a way, Twitter is the town square of our era, where people can share and discuss ideas on a wide variety of topics. While the tech giant has its own app for Android, it's pretty bare-bones when it comes to features. This has paved the way for third-party clients that are ri ...more

Cross-site scripting is one of the most common vulnerabilities found on the web today, with repercussions of this type of flaw ranging from harmless defacement to sensitive data exposure. Probing for XSS can be tedious and time-consuming for an attacker, but luckily there are ...more

Most users don't realize how much valuable data is in their network traffic. With a few simple tools, an attacker can quickly pick out cookies, passwords, and DNS queries from a macOS device as it covertly streams the victim's network traffic to the attacker's system. Here, we ...more

Its official: On May 8, T-Mobile finally released the Android Oreo update for the LG V30 and V30+. Now, every major US wireless carrier has pushed the update. For me, this update is a big deal. Not only does Android Oreo bring some new tools and features, but LG has also inclu ...more

With Gboard, Google created a keyboard with more functionality than just inputting words. The app includes features such as GIF search and live text translation, but it gets even better when you let it learn more about you. With this data, Gboard grows from a good keyboard to ...more

WordPress did not become what is arguably the most popular blogging and CMS platform on the planet because it was difficult to use. Rather, its user-friendly and rich feature set led to it finding a home on somewhere north of 70 million websites—and that's just counting blogs ...more

Hello everybody. I'm back with Part-2 of this series. In this part we will be programming in C our server and i will be explaining one more "key concept" so everybody got a better understanding on this. Ok first let's see that concept. Little Endian and Big Endian So, as pe ...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

NOTICE: Ciuffy will be answering questions related to my articles on my behalf as I am very busy. Hope You Have Fun !!! Hello Guys, Welcome to my tutorial and in this tutorial, We are going to talk as well as know of the possible dangers of metadata in our day to day images. ...more

There are a lot of manipulative people out there, but you don't have to let all of them push you around. It's time for the tables to turn. You already know how to manipulate people, how to lie to them, and how to convince them that you're trustworthy, but what about when some ...more

Welcome back, my novice hackers! The worst thing that can happen to any hacker is being detected by a security admin, the security technologies (IDS, firewall, etc.), or a forensic investigator. Every time we send a packet to our intended target, that packet contains our IP ...more

Hacker's are always looking for new ways to exploit systems and exfiltrate passwords, even in hashed form. Sophisticated brute-force attacks powered by high-end GPUs can perform millions of password attempts per second. But Ubuntu and Debian users aren't completely helpless. T ...more

When it comes to attacking devices on a network, you can't hit what you can't see. Nmap gives you the ability to explore any devices connected to a network, finding information like the operating system a device is running and which applications are listening on open ports. Th ...more

Developed by Open Whisper Systems, Signal is a free, open-source encrypted communications app for both mobile and desktop devices that allows users to make voice calls, send instant messages, and even make video calls securely. However, a vulnerability was recently discovered ...more

Hello people again, I wrote my last post about crypto about 10 months ago, now I will introduce something not fresh for the science, but fresh for the people who wants to learn. In my http://null-byte.wonderhowto.com/forum/cryptography-0161538/ post of crypto concepts, there i ...more

Greetings my fellow aspiring hackers, It's still Christmas and we have a lot of things and hugs and kisses and ... to share ( you know the things that you do ). I have never done this before but I just felt to encourage you on the quest for knowledge, security and defence, sk ...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

Welcome back, my aspiring hackers! In many of my earlier tutorials, I mentioned the complementary nature of hacking and forensics. Both disciplines, hacking and forensics, benefit from a knowledge of the other. In many cases, both disciplines will use the same tool. In this t ...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

Welcome back, my greenhorn hackers! Recently, I asked the Null Byte community what subject they would most like me to cover in future tutorials. Many of you cited scripting, and I decided it's best to cover this subject soon, so here goes. Any self-respecting hacker must be ...more

If you've spent enough time in an arcade like me, you're probably well acquainted with the dreaded "ran out of quarters syndrome." Just when you're about to beat the last boss in Marvel vs. Capcom, or make it to the next level in Donkey Kong, you're all out of quarters to cont ...more

So, the in-person conversations between you and your friends has slowed down to a near halt, thanks to everyone's obsession with texting, Facebook, and over-uploading pics to Instagram—socializing at its best. It could also be that you're just not interesting enough anymore in ...more

Apple's upcoming iOS 17 is expected to include many new features first seen on Android, but there are also some exciting, unique features that Android needs to steal pronto. It's common practice for Apple to adopt new features for iOS that were first seen on Android, but the ...more

RedRabbit is an ethical hacking toolkit built for pen-testing and reconnaissance. It can be used to identify attack vectors, brute-force protected files, extract saved network passwords, and obfuscate code. RedRabbit, which is made specifically for red teams, is the evil twin ...more

A lot of digital ink has been spilled heaping scorn on Magic Leap. Much of that media schadenfreude was due to what some believed were unmet promises versus some of the early hype around the product. Others just seemed to be rubbed the wrong way by the startup's Apple-esque se ...more

Browser extensions are extremely useful since they can expand web browsers like Google Chrome and Mozilla Firefox beyond their built-in features. However, we don't always know who's behind a browser add-on or what it's doing beyond what's advertised. That's where ExtAnalysis c ...more

PowerShell is an essential component of any Windows environment and can be a powerful tool in the hands of a hacker. During post-exploitation, PowerShell scripts can make privilege escalation and pivoting a breeze, but its execution policy can put a damper on even the best-lai ...more

Smartphones are inherently bad for privacy. You've basically got a tracking device in your pocket, pinging off cell towers and locking onto GPS satellites. All the while, tracking cookies, advertising IDs, and usage stats follow you around the internet. So no, there's no such ...more

It's easier than you might think to hack into Wi-Fi routers using just one unrooted Android phone. This method doesn't require brute-forcing the password, a Windows OS for converting PowerShell scripts into EXE format, a reliable VPS for intercepting hacked Wi-Fi passwords, or ...more

The gym can be pretty distracting. With the slamming of weights and pieces of equipment, loud music blasting through the speakers, and plain old grunting, it can be challenging to focus on your workout. However, with your just your phone, you can not only eliminate these distr ...more

Analysis of photographs and social connections can be a huge component of social engineering. Understanding who a person is, as well as who they know, can establish links within a company. This information could be used by hackers to execute elaborate social engineering attack ...more

Web applications are becoming more and more popular, replacing traditional desktop programs at an accelerated rate. With all these new apps out on the web comes various security implications associated with being connected to the internet where anyone can poke and prod at them ...more

Conducting phishing campaigns and hosting Metasploit sessions from a trusted VPS is important to any professional security researcher, pentester, or white hat hacker. However, the options are quite limited since most providers have zero-tolerance policies for any kind of hacki ...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

On April 7, 2017, residents in Dallas, Texas, woke to the sound of emergency sirens blaring all over the city. No one could shut them off, and after repeated efforts to contain the situation, the city had to shut down the entire system. While the media reported a sophisticated ...more

Welcome back Hackers\Newbies! Hey guys first of all I would like to explain my absence here in NullByte. I got a little "occupied" with "other things". When I got back, I saw all these HowTo's, articles, Help Questions, I decided, I need to share more of what I have, to you g ...more

The camera situation on the all new HTC One is a little daunting. The M8 has not one, not two, but three camera lenses built in. First, there's the 5 megapixel selfie machine up front, then around back, there's the new Duo Camera with a refined UltraPixel sensor. HTC has done ...more

The very first banknotes were used by the Chinese in the 7th century, during the Tang Dynasty. Before it was used as an actual currency, paper money was part of a deposit system in which merchants would leave large amounts of coins with a trusted associate and receive a paper ...more

Hello again, faithful readers. For today's lesson, we will be learning the correct way to restring and tune an electric guitar. I almost wasn't going to post this because it is so basic. But, as with many basic tasks, there are a lot of people who know how to do it, but can't ...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