Hack a Computer Using Command Prompt

Recently, Sprint announced a partnership with Harman Kardon to deliver exclusive sound FX technology to their variant of the HTC One M8. The joint effort between the two companies is both to entice customers to switch to Sprint as well as improve the overall audio quality comi ...more

With apps and games getting bigger and more memory-hungry every year, storage space is at a premium. High-definition videos and photos of innumerable pixels certainly don't help the matter, either. Sometimes, the things that can soak up our storage the most are things we're n ...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

One feature of Samsung devices that's less useful than I had expected is S Voice, the voice assistant that ships with all new Galaxy devices. The voice is annoying, the features are lacking, and it's an all around subpar product. With Google Now, Siri, and now Microsoft's Cort ...more

This time it's serious. Really. The largest web security vulnerability of all time went public on Monday, April 7th, 2014, resulting in widespread panic throughout the Internet as system administrators scrambled to secure their websites from the OpenSSL bug known as Heartblee ...more

The all new HTC One M8 is the latest Android flagship making the rounds through major carriers hoping to beckon your purchase. Coming in at about $200 for most carriers with a contract, it makes a good case for itself with its advanced features and solid price point—but, there ...more

Google released its long-awaited Google Now launcher a couple months ago, allowing users to access Google Now with the simple command of the voice. As great as the feature is, it requires that our screens be on, unlike the Moto X's "active listening" service that operates with ...more

Welcome back, my hacker apprentices! To enter the upper echelons of hackerdom, you MUST develop scripting skills. It's all great and well to use other hacker's tools, but to get and maintain the upper hand, you must develop your own unique tools, and you can only do that by d ...more

Welcome back, my aspiring hackers! Those of you who've been reading my tutorials for some time now know that I am adamant regarding the necessity of learning and using Linux to hack. There is no substitute, period. In this tutorial, though, we will be setting up a system to ...more

Welcome back, my hacker novitiates! Recently, I demonstrated a hack where you could redirect traffic intended for one site, such as bankofamerica.com, to your fake website. Of course, to really make this work, you would need to make a replica of the site you were spoofing, or ...more

Out amongst the ether of the internet lies a completely different version of the Netflix library you've come to know and love. Because of licensing and rights fees, the streaming media giant maintains separate libraries for each country it services. Ultimately, this means that ...more

Welcome back, my fledgling hackers! A short while ago, I did a tutorial on conducting passive OS fingerprinting with p0f. As you remember, p0f is different from other operating system fingerprinting tools as it does not send any packets to the target, instead it simply takes ...more

Okay, so you're rooted and need to return your Nexus 5 to its stock firmware. Whether it's because you need to send your phone in to the manufacturer to fix a defect or you just want to use the device's over-the-air updating feature, unrooting and returning your Nexus 5 back t ...more

Google Glass is all about transforming the world around us with little to zero interaction from the wearer. Much of this is done using augmented reality—a live view of physical, real-world environments that are augmented by computer-generated input in the form of graphics, sig ...more

Welcome back, my novice hackers! There are SOOOO many ways to hack a system or network, which means you need to think creatively in order to be successful. Many novice hackers focus way too much energy on cracking passwords (which should be a last resort unless you have spec ...more

When Google introduced their new launcher alongside the Nexus 5, one of the most innovative features was the "always listening" voice search, meaning that at any time you were on your home screen, triggering a Google search was as simple as saying "Okay, Google." Combined wit ...more

Today, I'm going show you how to back up all of your apps and their data using Android Debug Bridge (ADB)—an essential function for all softModders. These commands will be especially useful when you are updating your version of Android, since they don't require a third-party p ...more

Welcome back, my greenhorn hackers! Earlier in this series, I showed a you a couple of different ways of fingerprinting webservers. Probably the easiest way, is to use netcat and connect to port 80 and pull the webserver banner. The banner is simply the application advertisi ...more

Welcome back, my novice hackers! I have tried to emphasize throughout this "Hack Like a Pro" series that good reconnaissance is critical to effective hacking. As you have seen in many of these hacks, the techniques that we use are VERY specific to the: Operating system, Serv ...more

With the the general computer users understanding of Information security rising (at least to the point of not clicking on unknown links), and operating system security getting better by default. We need to look for new and creative ways to gain a foothold in a system. Luckil ...more

I'm a pretty nice person, so when someone asks me to take a group picture of their friends or family, I can't easily say "no," even if I have somewhere else to be. Even worse—sometimes I'm the one asking, fully knowing just how annoying it can be. Maybe you've been told "no" b ...more

Welcome back, my hackers novitiates! As you read my various hacking tutorials, you're probably asking yourself, "What are the chances that this hack will be detected and that I'll land behind bars, disappointing my dear mother who already thinks I'm a loser?" In this tutoria ...more

Welcome back, my greenhorn hackers! In a previous tutorial on hacking databases, I showed you how to find online databases and then how to enumerate the databases, tables, and columns. In this guide, we'll now exfiltrate, extract, remove—whatever term you prefer—the data from ...more

You can easily lock any folder on your Windows computer with a simple Notepad hack. By creating a batch file, you can hide a folder and require a password be entered before it becomes visible and accessible. This is a great tool for locking sensitive information, like pictures ...more

It's time. You've experimented with apps from the Play Store, you've switched your lock screen, and maybe you've taken different launchers out for a spin. If, throughout your tinkering, you've found yourself chanting, "More. More. Give me more!" then now is the time. It's time ...more

Welcome back, my amateur hackers! In this tutorial, we will follow up on a previous tutorial on MySQL. In that tutorial, I showed you the basics of running a MySQL server on BackTrack. In addition, you might want to take a look at my tutorial on the basics of databases, if yo ...more

NSA aside, Apple makes it difficult for users to extract and download text messages from their iPhones onto a computer. For whatever reason (legal, devious, neurotic, etc), we've all found a time where we'd like to save backups of certain meaningful, important, or perhaps incr ...more

Let's get one thing straight: CyanogenMod is one hell of a ROM. They've got a great community, a great product, and getting it on your HTC One couldn't be easier with their CyanogenMod installer, which does all the hard rooting and bootloader unlocking for you. If at all you ...more

Welcome back, my budding hackers! One of the keys to becoming a professional and successful hacker is to think creatively. There is always a way to get into any network or system, if you think creatively. In previous tutorials, I have demonstrated ways to crack passwords on b ...more

Welcome back, my hacker apprentices! I recently began a new series on digital forensics to show aspiring hackers what the forensic investigator can do and see while investigating a cyber attack. This is the second installment in that series and will focus upon network forensi ...more

Whether it's because you want to make a quick tutorial video or want to show off your gameplay skills, recording the screen your Nexus 7 tablet isn't an easy feat. At least, until now. Hidden inside Android 4.4 KitKat is a built-in screen capturing feature, but it takes a litt ...more

If you're marginally inclined towards computers, you've probably been approached at some point by a family member who wants you to "fix" their system during a visit home. With the holidays coming up, these opportunities (or ambushes) are even more likely. Even if nothing is w ...more

Welcome back, my budding hackers! In my continuing series on Linux basics for aspiring hackers, I now want to address Loadable kernel modules (LKMs), which are key to the Linux administrator because they provide us the capability to add functionality to the kernel without hav ...more

Need to clear you cache? This guide details how on any web browser (Chrome, Internet Explorer, Firefox, Opera, Safari, Internet, and Dolphin) for any platform (Windows, Mac OS X, iOS, and Android). What Is the Cache Exactly? The web cache stores certain information (HTML page ...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

If you're reading this, chances are you're a softModder, someone who doesn't let anything stand in his or her way from ultimate customization. That means you've probably rooted and unlocked the bootloader on your HTC One to upgrade to the Google Play Edition ROM or CyanogenMo ...more

Apple may have made Mavericks more accessible to Mac users everywhere at the fair price of zero dollars, but unfortunately, they made it trickier to create a bootable install drive of the Mac OS X 10.9 operating system. Don't Miss: How to Create a Bootable Install Drive of 10 ...more

Sugru is some pretty versatile stuff. The company's slogan is "Hack things better," and for good reason. It sticks to aluminum, steel, ceramics, glass and plastics, it's waterproof and heat-resistant, and it can be molded into any shape you can imagine. Anything from your kitc ...more

Welcome back, my budding hackers! One of the most time-consuming, but necessary, activities in hacking is reconnaissance. Before we can hack a system, we need to know what operating system it's running, what ports are open, what services are running, and hopefully, what appli ...more

Welcome back, my hacker apprentices! Although there is a multitude of different hacker types, the one target they all share is the database. I often refer to the database as the hacker's Holy Grail, or the ultimate prize for an effective hack. That's because the database—alm ...more

Update: The installation process for Xposed Installer is now dead simple—check out our updated guide! Xposed is a framework created by XDA developer rovo89, which allows the end user to customize their stock or custom ROM without having to modify any system applications or fi ...more

Welcome back, my aspiring hackers! As mentioned several times in previous Linux tutorials, nearly everything in Linux is a file, and very often they are text files. For instance, all of the configuration files in Linux are text files. To reconfigure an application in Linux, w ...more

Welcome back, my novice hackers! I've written a couple of articles on reconnaissance and its importance, and as I've said before, a good hacker will spend 3 to 4 more times doing reconnaissance than actually exploiting the system. If your recon isn't good, you'll likely fail, ...more

Welcome back, my greenhorn hackers. When Wi-Fi was first developed in the late 1990s, Wired Equivalent Privacy was created to give wireless communications confidentiality. WEP, as it became known, proved terribly flawed and easily cracked. You can read more about that in my b ...more

Welcome back, my fledgling hackers! One of the first issues any hacker has to address is reconnaissance. Before we even begin to hack, we need to know quite a bit about the target systems. We should know their IP address, what ports are open, what services are running, and wh ...more

Welcome back, my rookie hackers! When Wi-Fi was first developed and popularized in the late '90s, security was not a major concern. Unlike wired connections, anyone could simply connect to a Wi-Fi access point (AP) and steal bandwidth, or worse—sniff the traffic. The first a ...more

I love surprises. Surprise parties, surprise visits, surprise Patrick... But there are times when a surprise is the last thing you want, like reaching into your pocket to find that your Samsung Galaxy S3 is not where it should be. Having your phone stolen used to be the end o ...more

Welcome back, my neophyte hackers! As part of my series on Wi-Fi hacking, I want to next look at denial-of-service (DoS) attacks, and DoSing a wireless access point (AP). There are a variety of ways to do this, but in this tutorial we'll be sending repeated deauthentication f ...more

Welcome back, my fledgling hackers! In the first part of my series on Wi-Fi hacking, we discussed the basic terms and technologies associated with Wi-Fi. Now that you have a firm grip on what Wi-Fi is exactly and how it works, we can start diving into more advance topics on h ...more

Welcome back, my nascent hackers! Earlier, I wrote a guide on finding operating system and application vulnerabilities in Microsoft's own security bulletins/vulnerability database. In this tutorial, I will demonstrate another invaluable resource for finding vulnerabilities an ...more

There are a ton of cool features available on your Samsung Galaxy Note 2, but if you're a softModder, you can make your phone do just about anything. Therein lies the problem…what do you want from your Android device? When you first start tinkering around, it can be troubles ...more

Welcome, my neophyte hackers! The aspiring hacker needs to know a bit of Linux to be successful, and probably most importantly, Linux networking. To fill that knowledge gap, I'm offering this guide on Linux networking basics. I assume that you understand a small amount of net ...more

Welcome back, my hacker wannabees! Since nearly all hacker tools and platforms are developed in the Linux/Unix operating systems, this series of tutorials are for those of you who want to be hackers, but are unfamiliar with Linux. We've looked at numerous basic commands in th ...more

Why can't I see who is stalking my Facebook profile? There are other social networks that do let you see who's viewed your profile, mainly LinkedIn and its "Who's Viewed Your Profile" feature. Regular users can see a recent list of who has been spying on you, along with some ...more

Welcome back, my budding hackers! I began this series on Linux basics because several of you have expressed befuddlement at working with BackTrack on Linux. As a hacker, there is no substitute for Linux skills. Linux beginners are often faced with the issue of how to find fi ...more

Welcome back, my hacker apprentices! My recent posts here in Null Byte have been very technical in nature, so I thought that I'd have a little fun with this one. Have you ever had an annoying neighbor whose dog barks all night, who has loud parties that keep you awake, or who ...more

In my first tutorial on Linux basics, I discussed the importance of hackers using Linux and the structure of the directory system. We also looked briefly at the cd command. In this second Linux guide, I'll spend a bit more time with changing directories, listing directories, c ...more

Welcome back my fellow hackerians, Today i'm going to tell a bit more about the famous DDOS thing. And on top of that we're going to DDOS a website. What is DDOS? Distributed denial-of-service attack, or just DDOS for short. Let me start with just one computer and a bank sit ...more

Welcome back, my fellow hackerians! Today we'll be hacking Facebook profiles on your local network. You may think, "How is this useful, nobody but me is using my network." Well, you can use this on other Wi-Fi networks that are available for free (like at Starbucks) and crack ...more

Welcome back, my fledgling hackers! In one of my recent articles, I showed you how to install BackTrack as a dual boot system on a Windows computer. In this tutorial, I will walk you through BackTrack, giving you a tour of the most salient features for the hacker-to-be. NOTE ...more