Hack a Computer Using Command Prompt

Sometimes, doing the right thing is way more difficult than it should be, like trying to return a lost smartphone. Despite having the best intentions, it's often hard to track down the rightful owner, especially if the device is armed with a passcode. On the other hand, there ...more

Welcome back, everyone. In the previous part of this rapid-fire miniseries, we built the victim portion of the shell. Today, we'll be building the attacker portion. This script will initialize interaction with the victim portion of the shell, send commands, and receive the out ...more

While still extremely awesome, the Samsung Galaxy Gear smartwatch is limited as to what you can download on to it, especially apps. It also doesn't have its own internet access (only Bluetooth), so apps like Instagram, Facebook, and Vine have yet to make their way to the Gear ...more

Just because you wanted a stable, stock Android version on your HTC One doesn't mean you have to miss out on Sense because you bought or softModded to a Google Play Edition. As long as you have the Android SDK tools and you've unlocked your bootloader, you can turn your HTC On ...more

Much like the built-in screen recording tool on Android 4.4 KitKat, hidden features like the new battery Status bar icon must be manually unlocked on your Nexus 7 tablet. This is both exciting and annoying. On one side, I love figuring out how do these things, but on the othe ...more

There really isn't any custom manufacturer skin, like Sense, that can match the clean look and fluidity that comes with stock Android. HTC knows this, and they, just like Samsung, include a Google Play Edition version in their flagship lineup. In effect, these GPE variants pu ...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

If you use Ubisoft's uPlay browser extension, you should probably get rid of it right now. An Information Security Engineer at Google discovered that the plugin has a hole in it that allows programs to be installed through uPlay, essentially letting anyone who feels so incline ...more

Penetration-testing frameworks can be incredibly useful since they often streamline certain processes and save time by having a lot of tools available in one place. Of course, the most popular pentesting framework is undoubtedly Metasploit, but there are many others out there ...more

Hello fellow Null-Byters! This is my first post so please be respectful and constructed criticism is much appreciated. I am no professional, however I believe that it is important to understand technologies before you go poking at them and trying to break them, I therefore dec ...more

With the Samsung Galaxy Gear smartwatch only several weeks old, the extent as to what you can do with it is limited since there are only about 70 apps in the Gear Store right now, and a lot of those need the full app installed on your Samsung Galaxy Note 3 in order to function ...more

Welcome back, everyone! In this lesson, I'm going to go over the use of the echo function and variables, as well as basic syntax. You will need: A text editor - I personally recommend the free (and amazing) Notepad ++, but you can use any text editor you want, even Windows' ...more

Windows has always had an "Administrator" account that allowed you to install programs and manage system files with elevated privileges. The difference between this account and a regular user account with administrator access was that you never got bothered by annoying User Ac ...more

HTC thought it best to cover their own ass by placing a red warning whenever you start your device if you've unlocked your bootloader. While it may help them identify a tampered phone, it does not help you in any way. Luckily, XDA member santod040 created a modified HBOOT that ...more

Welcome back My sleepless army of young hackers, Everyone uses internet, right? So for this tutorial, i'll start with the basics and slowly we'll get to the UPD Protocol. Different Protocols The internet is like a freeway. There are certain rules just like driving to fast or ...more

So you've managed to get a shell on the target, but you only have measly low-level privileges. Now what? Privilege escalation is a vast field and can be one of the most rewarding yet frustrating phases of an attack. We could go the manual route, but like always, Metasploit mak ...more

The only thing better than programming MicroPython is programming MicroPython over Wi-Fi. So once you set up MicroPython on a microcontroller and have it on its own power source, you won't need to use a data cable to connect to it whenever you need to interact with it, program ...more

SSH, or the secure shell, is a way of controlling a computer remotely from a command-line interface. While the information exchanged in the SSH session is encrypted, it's easy to spy on an SSH session if you have access to the computer that's being logged in to. Using a tool c ...more

If you've ever needed to prove you have remote access to a device, or simply want a way to convince someone their computer is haunted, SSH can be used to make a device begin to show signs of being possessed. Spooky Action at a Distance If you need to prove you've got remote ...more

The next libSSH or OpenSSH exploit may be just around the corner. Keep your SSH service out of Shodan's database before hackers find new ways to bypass the password protecting the server. Shodan has been called the "hacker's search engine" because it's literally a searchable ...more

It only takes a few commands to manipulate a MacBook's secure HTTPS traffic and pluck login passwords out of the encrypted data. Let's take Facebook and Gmail hacking to the next level by intercepting Safari and Google Chrome web traffic in real time. Both Facebook and Gmail ...more

Nmap is possibly the most widely used security scanner of its kind, in part because of its appearances in films such as The Matrix Reloaded and Live Free or Die Hard. Still, most of Nmap's best features are under-appreciated by hackers and pentesters, one of which will improve ...more

Ports allow network and internet-connected devices to interact using specified channels. While servers with dedicated IP addresses can connect directly to the internet and make ports publicly available, a system behind a router on a local network may not be open to the rest of ...more

This is my first article on here, it's based off of a project that I'm working on at school which is on three ways to bypass windows user password's. If all goes as planned and you all would like I'll work on part two and part three and post them as soon as I can. I do have to ...more

Welcome back, my hacker novitiates! There are many ways to hack databases, and most of these techniques require SQL injection (SQLi), which is a way of sending SQL commands back to the database from a web form or other input. In this tutorial, we will use SQL injection to get ...more

Slowly but surely, Microsoft seems to be steering Windows in the direction of Google's Android. First, they released Windows 10 as a free upgrade, mainly because they wanted to cash in on the revenue that they hoped would come when more users had access to the Windows Store. T ...more

Hello all, this is my first submission to null byte! I noticed something a little strange, particularly that whenever Meterpreter is discussed, it is virtually always in the context of Windows. Granted, the Windows Meterpreter is more powerful than the version that can run on ...more

Disclaimer: All information in this tutorial is for entertainment and educational purposes ONLY. You pesky teenagers. In my previous tutorial, I covered how to make a backdoor in an OSX system. I also covered some fun commands to try whilst the backdoor connection is in tact. ...more

Welcome back, my greenhorn hackers, and happy New Year! Now that your heads have recovered from your New Year's Eve regaling, I'd like to grab your attention for just a moment to preview 2015 here at Null Byte. I hope you will add your comments as to what you would like to se ...more

Did you know Kali 1.0.8? You probably did, and you probably know about the EFI boot option that has been added. That's a very interesting new feature because it allows Kali to be easily booted on Mac too, and every EFI-supported device. First three preview lines gone? As alw ...more

Sometimes, stock just doesn't cut it. When you're sick of the limitations in Sense on your HTC One, a new ROM can be a ray of sunshine. By installing a custom ROM, you can add or unlock new features in Sense, or you can get a pure Android experience instead. It's all up to you ...more

People are always looking for ways to save money, and for the most part, saving money and cheating the system are synonymous when it comes to things like free internet access. Practically every new gadget is capable of connecting to the web, which means more and more people ar ...more

Over the years, I have enjoyed playing with Asterisk. I have found Asterisk to be extremely powerful and fun to play with. There are several books and many scattered how to articles out there, but most are outdated and the information required to build Asterisk from beginning ...more

Last weekend, some unlucky Gmail users inadvertently had their email accounts wiped out. Actually, it was 0.02 percent of all Gmail users—or roughly 40,000 of the 200 million who use the email service, due to an "unexpected bug" which affected copies of the data. Gmail does ma ...more

I remember a time when I had to rent a VHS from the local video rental store. It wasn't all that bad, with the only real annoyances being the trip to and fro, having to rewind the movie and the possible malfunction of my VHS player, which liked to eat tape from time to time. ...more

Did you know that you can use Gmail to make free phone calls to anywhere in North America? We're not talking computer to computer, but actual free phone calls to cell phones and home phones. All you need is a Gmail account, a microphone, and speakers plugged into your compute ...more

Many FarmVille farmers want money fast, or experience fast, or want to level up, or want to speed things up— make and earn things faster. No matter how long they play, they're not getting what they want, and that is to outshine everybody else. But you can't reach the top by si ...more

I was looking around on this site and this article caught my eye. It was about hiding text in ADS or Alternate Data Streams. While this is nothing new in the tech world, it seems that more and more people are looking at ADS for one reason or another. Years ago, I created a si ...more

Have you ever wanted to make your own Minecraft server on Windows? This tutorial will teach you how, without having to download Hamachi. The whole process is a lot simpler than you might think, and it will only take a few minutes! You will need: Firefox web browser Computer ...more

The Ubuntu experience has improved greatly with version 10.04, providing an easy-to-use interface. Especially when it comes to installing programs. However, it still relies on an online internet connection for installing additional software. Well, not anymore. You can collect ...more

Social Profile Change the privacy settings on your social profile (Facebook, MySpace, Friendster, Twitter, etc.) so that the following information can't be found by a random person who you didn't accept you as a friend: Birthdate E-mail address Hometown Pictures A hacker ca ...more

It isn't a new gadget, but the EyeClops Mini Projector still makes a great stocking stuffer for Christmas Day. It's great for kids to play with, but for techies— it's sure to be something fun to hack and mod this holiday season. The EyeClops Mini Projector looks more like Wal ...more

Christmas is the time to splurge— not just with presents and food— we're talking decorations. It's that time of year when verdurous fir trees take up half of your living room, when waving elf figurines silhouette your front windows, when Rudolph flies from the rooftops, Santa ...more