Developing

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

Welcome back, my tenderfoot hackers! I have written many tutorials on hacking using Metasploit, including leaving no evidence behind and exploring the inner architecture. Also, there are my Metasploit cheat sheets for commands and hacking scripts. With this guide, I'm starti ...more

Wouldn't it be nice to just sit at your buddy's house, plug into his network, and see exactly what he's doing? What if it was as easy as that? What makes packet sniffers like Wireshark such potent tools is that a majority of local area networks (LANs) are based on the shared E ...more

Welcome back, my novice hackers! Episode 6 of Mr. Robot has come and gone and, as usual, it did not disappoint. Once again, our hero, Elliot, has used his extraordinary intellect and hacking skills to awe and inspire us. In this episode, Elliot is being blackmailed by the ru ...more

People use browsers for all types of things, and in general, we trust a lot of personal information to them. That's why browsers are a perfect attack surface for a hacker, because the target may not even know they are infected and feed you all of the information you could want ...more

Past video recording apps we've covered made it easy to turn your Android device into a hidden spy camera, even allowing you to inconspicuously record videos using your volume buttons. While both are viable options that can secretly capture video, today we're going over an add ...more

For over 20 years, a tiny but mighty tool has been used by hackers for a wide range of activities. Although well known in hacking circles, Netcat is virtually unknown outside. It's so simple, powerful, and useful that many people within the IT community refer to it as the "Swi ...more

Welcome back, my greenhorn hackers! Many new hackers come from a Windows background, but seldom, if ever, use its built-in command-line tools. As a hacker, you will often be forced to control the target system using just Windows commands and no GUI. Although we would love to ...more

Welcome back, my tenderfoot hackers! Have you ever wondered where the physical location of an IP address is? Maybe you want to know if that proxy server you are using is actually out of your local legal jurisdiction. Or, maybe you have the IP address of someone you are corres ...more

SSH is one of the most common protocols in use in modern IT infrastructures, and because of this, it can be a valuable attack vector for hackers. One of the most reliable ways to gain SSH access to servers is by brute-forcing credentials. There are a few methods of performing ...more

Welcome back, my greenhorn hackers! Sometimes, we don't have a specific target in mind, but rather we are simply looking for vulnerable and easy-to-hack targets anywhere on the planet. Wouldn't be great if we had a search engine like Google that could help us find these targe ...more

Android comprises an entire ecosystem of apps, games, functions, and features, so it would only make sense that it has its own lexicon. Words, phrases, and acronyms that didn't exist ten years ago are now used in an off-the-cuff style by developers and support technicians acro ...more

Once upon a time in America, there was coffee and there was decaf. That's it. No capuccinos. No espressos. And certainly no Starbucks. Coffee was just coffee, something that you bought at a gas station or donut shop. If you made it at home, it was either in a metal pot or inst ...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

With more digital content than ever, the search feature on smart TVs is essential. But typing is such a terrible experience when you're forced to use voice dictation or peck around with the remote control. Thankfully, there's a better way. Most smart TVs support using your ph ...more

There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. The first part is the actual making of a functional radio, and the second part is making the whole arrangement look nice. In this part, I'm actually going t ...more

A trip to any grocery store's produce section will quickly reveal that bananas are often picked from the tree well before their prime—which is necessary for them to arrive at our local store without going bad. In fact, bananas are refrigerated en route to our supermarkets in o ...more

Welcome back, my fledgling hackers! Over the years, we have examined multiple ways to own, exploit, or compromise a system. On the other hand, we have not spent a lot of time on denial-of-service (DoS) attacks. For those of you who are new here, a denial of service is basica ...more

Welcome back, my tenderfoot hackers! We have looked at a number of ways that we sniff traffic on the network with such tools as Wireshark, tcpdump, dnsiff, and others, but each of these tools is only capable of pulling packets off the wire. Those packets can be examined for ...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

Particular vulnerabilities and exploits come along and make headlines with their catchy names and impressive potential for damage. EternalBlue is one of those exploits. Originally tied to the NSA, this zero-day exploited a flaw in the SMB protocol, affecting many Windows machi ...more

Welcome back, my neophyte hackers! Several of you have written me asking how to crack passwords. The answer, in part, depends upon whether you have physical access to the computer, what operating system you are running, and how strong the passwords are. In this first install ...more

When you want to install a new tool or game on your iPhone, you go straight to the App Store to do so — but it's not the only place you can get apps from. Some developers use back alleys to get their apps to you, while others can trick you into installing them without giving i ...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

Kodi, formerly known as XBMC, is one of the most versatile media players available. With it, you can play virtually any internet and media file in a large variety of formats, and it can be used on practically every single operating system out there, including iOS 10. Kodi, an ...more

There's a lot going for the Samsung Galaxy Note 2—smart screen rotation, huge HD display, great rear camera—which makes it an awesome device for reading, watching videos, and taking pics. But all of those luxuries will end up hogging up your internal memory, which is one of th ...more

In 1987, two brothers, Thomas and John Kroll, began work on an image editing software, which was eventually acquired in 1988 and released to the world in 1990 by Adobe. That software was Photoshop 1.0, initially exclusive for the Macintosh platform. Over the years, Photoshop b ...more

Apple Watch owners know there's a built-in way to remove water from the device's speaker. However, even though modern iPhones are IP67 and IP68 water resistant, there's no official way to deal with water-clogged speakers that can muffle audio and cause prolonged damage if not ...more

If you're an owner of a BlackBerry smartphone, chances are you're going to want to use BBM, which for all of you newbie BlackBerry owners, stands for BlackBerry Messenger. BBM is an instant messaging application developed solely for BlackBerry device owners. Video: Add contact ...more

Keeping your online data and identity private is an uphill battle, but with the anonymity network Tor, you have a pretty decent line of defense from prying eyes. But while Tor is great for desktop users, since they can simply install a Tor browser or plugin, it's a bit more c ...more

There are over one million apps in the Google Play Store, and many of them are restricted to certain device types, brands, and Android systems. If you're using one of the new, high-end devices like the HTC One M8 or Sasmsung Galaxy S5, pretty much all apps will be available t ...more

Keeping unwanted clowns off on my Samsung Galaxy S3 is priority number one. I've shown you how to snag a picture of people opening your apps and how to lock your screen for whenever you hand off your phone, allowing them to access only the page you left open. Well, with App L ...more

Xposed, by XDA developer rovo89, is a framework for your Samsung Galaxy S4 (or other Android device) that lets you add tweaks and customizations to your ROM (either stock or custom) without any real hassle. This pretty much means that your GS4 can have the features of a custo ...more

Most of us lead busy, work-filled lives, often clocking in a 9-to-5 five days a week. And when that clock signifies the hour to leave, the last thing on anyone's mind is: "Time to go to the grocery store to pick up more fresh produce!" (Well, to be fair... maybe more people ar ...more

Though many were hoping for it, a notification indicator around the Galaxy S10's front camera punch hole never came to fruition. Since then, we've been finding other uses for the camera cutout, from turning it into a circular battery meter to using creative wallpapers. Thankfu ...more

Besside-ng is the hidden gem of the Aircrack-ng suite of Wi-Fi hacking tools. When run with a wireless network adapter capable of packet injection, Besside-ng can harvest WPA handshakes from any network with an active user — and crack WEP passwords outright. Unlike many tools, ...more

Welcome back, my budding hackers! When we are looking for ways to hack a system, we need a specific exploit to take advantage of a certain vulnerability in the operating system, service, or application. Although I have shown you multiple ways to exploit systems here in Null B ...more

Identifying vulnerable devices and services on a target router can be difficult without leaving logs and other traces of an active attacker on the network. However, there is a way to covertly decrypt and view Wi-Fi activity without ever connecting to the wireless network. Whe ...more

Welcome back, my rookie hackers! Many newbie hackers focus upon the technical aspects of hacking and fail to give enough attention to social engineering. In fact, I would say that technical hacks should ONLY be attempted if social engineering attacks fail. Why bother spending ...more

A powered-off Windows 10 laptop can be compromised in less than three minutes. With just a few keystrokes, it's possible for a hacker to remove all antivirus software, create a backdoor, and capture webcam images and passwords, among other highly sensitive personal data. The ...more

Your iPhone has hidden apps that work behind the scenes to filter SMS messages, trust computers, deal with payments, test ads, and perform other actions. You won't find any of them in your App Library, but there are tricks you can employ to unlock and use some of these secret ...more

I love me some salad, but I'm also kind of a big baby when it comes to eating them. The greens have to be perfectly crisp and fresh, which is why I'm such a nut about storing them properly, including rethinking how I use my refrigerator, using a paper towel or dry cloth to wra ...more

Welcome back, my greenhorn hackers! Before we attempt to exploit any target, it is wise to do proper reconnaissance. Without doing reconnaissance, you will likely be wasting your time and energy as well as risking your freedom. In previous guides, I have demonstrated multiple ...more

Welcome back, my hacker apprentices! A you know, Mr. Robot is my favorite TV show this year, and not just for the realistic hacking. Rami Malek, the actor who plays Elliot, is incomparable in his depiction of a young man with social anxiety who is alienated from a superficial ...more

Fresh herbs are a surefire way to enhance a dish, but buying them at the store each time you need them is costly. Luckily, growing your own herbs is a lot easier than it seems: You can even using cuttings from the herbs you already buy to start your own little herb garden. An ...more

Probably one of the most sought after features of the LG G2 is its "Knock Knock" capabilities. Rather than dealing with that pesky power button, you simply double-tap portions of the screen to either sleep or wake your device. The G2 is the Nexus 5's bigger brother of sorts, ...more

Smartphones are like high tech buckets that collect our personal information through constant use. This has some obvious benefits, like getting a more personalized experience with our devices. On the other hand, this data is a tempting target for bad actors looking to make a b ...more

While the Galaxy S10 is a beautiful phone, its software isn't for everyone. One UI makes huge strides toward undoing the mess known as TouchWiz, but for purists, it's still not quite on par with stock Android. Fortunately, the beauty of Android is you can change this with a fe ...more

Most newer computers come with a webcam, but if you're using an older system, you may not have one. If you only need to use a webcam occasionally, it may not be worth putting the money into, so why not just use your smartphone? There are a few apps out there that can help you ...more

Two slices of whole-wheat toast with lots of butter. Two eggs, poached to a firm yet custardy texture. The yolks should absolutely not be hard-cooked and the whites should be tender, not rubbery. That's my idea of the perfect breakfast. A golden, runny-but-not-liquid yolk, cre ...more

Welcome back, my hacker novitiates! Many of you have written me that you're having difficulty installing and running Metasploit on a variety of platforms. No matter if you're using Mac, Linux, or Windows, I strongly recommend you install BackTrack as your secondary OS, a virt ...more

OneDrive, formerly known as SkyDrive, is a free online storage solution developed by Microsoft. If you're a fan of using cloud-based storage systems, then OneDrive offers you plenty of benefits. It's also heavily integrated into Windows 10, including the new File Explorer, in ...more

Welcome back, rookie hackers! We recently began an exploration of ways to hack using the Bluetooth protocol. As you know, Bluetooth is a protocol that connects near field devices such as headsets, speakers, and keyboards. Its minimum range is a 10-meter radius (~33 feet) and ...more

There are certain ingredients that chefs regularly use to elevate their food beyond the status of what us mere mortals can create. Shallots are one. Good, real Parmesan cheese is another. And the rind of that real Parmesan cheese just so happens to be one of the culinary world ...more

If you've grown bored of day-to-day hacking and need a new toy to experiment with, we've compiled a list of gadgets to help you take password cracking and wireless hacking to the next level. If you're not a white hat or pentester yourself but have one to shop for, whether for ...more

When you don't have anyone to play with in the flesh, nothing beats a round of competitive online Scrabble. If you're constantly on the move, the Scrabble app developed by Electronic Arts (EA) for Android and iOS mobile devices is probably your favorite way to play. But let's ...more

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 ...more

Google Now, Siri, and Cortana aside, the main way you interact with your smartphone is through the keyboard. Every app you use, every search you perform, every message you send—the most fundamental interface between you and your device is that handful of characters and those 2 ...more

Welcome back, my novice hackers! In my series on cracking passwords, I began by showing off some basic password-cracking principles; developed an efficient password-cracking strategy; demonstrated how to use Hashcat, one of the most powerful password-cracking programs; and sh ...more