How to Use Else if for Java

Keystroke injection attacks are popular because they exploit the trust computers have in human interface devices (HIDs). One of the most popular and easily accessible keystroke injection tools is the USB Rubber Ducky from Hack5, which has a huge range of uses beyond simple HID ...more

If you normally take your iced coffee with plain old cream and sugar, you'll find that Starbucks recently-introduced Vanilla Sweet Cream Cold Brew will really hit the spot. It's icy, smooth, and perfectly sweetened with vanilla syrup. Maybe you've tried this drink at Starbuck ...more

Welcome back, my tenderfoot hackers! Web apps are often the best vector to an organization's server/database, an entry point to their entire internal network. By definition, the web app is designed to take an input from the user and send that input back to the server or datab ...more

Welcome back, my fledgling hackers! In an earlier tutorial, I introduced you to probably the most popular scripting language for hackers, Python. To become a professional hacker, you need to have some scripting skills and Python is a good choice if you want to master just one ...more

With an inconspicuous Android phone and USB flash drive, an attacker can compromise a Windows 10 computer in less than 15 seconds. Once a root shell has been established, long-term persistence to the backdoor can be configured with just two simple commands — all while bypassin ...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

Nearly two years ago, Peter Chou, CEO of HTC, confirmed that the company would no longer be locking bootloaders. Whether or not they've actually lived up to this claim is debatable. Any phone bought from a wireless carrier comes locked. Only the new HTC One Developer Edition s ...more

Step 1: What Exploit Development Is and Why Should I Be Interested on About This Topic An exploit is a piece of software, a chunk of data, or a sequence of commands that takes advantage of a bug or vulnerability in order to cause unintended or unanticipated behavior to occur ...more

One of the first steps when pentesting a website should be scanning for hidden directories. It is essential for finding valuable information or potential attack vectors that might otherwise be unseen on the public-facing site. There are many tools out there that will perform t ...more

During my time living in dorm rooms and small apartments, I would find myself in need of many different appliances—a food processor for making hummus, a blender for vegetable smoothies, or even a mortar and pestle for muddling mojito-bound mint leaves. Luckily, there was one t ...more

Leaked databases get passed around the internet and no one seems to notice. We've become desensitized to the data breaches that occur on a daily basis because it happens so frequently. Join me as I illustrate why reusing passwords across multiple websites is a truly awful prac ...more

One of the best ways to improve your skills as a hacker is to learn to combine different avenues of attack to achieve success. What if it were possible to get a victim to connect to our machine and execute a chosen payload on our behalf? This is indeed possible with the almigh ...more

Hello and welcome to my article. I have made this article for anyone who wants to become a hacker, and wants to know how to get started. OVERVIEW: As you'll get further into the hacking community, and learn more about how it's all put together, you'll also realize very quick ...more

Hackers rely on good data to be able to pull off an attack, and reconnaissance is the stage of the hack in which they must learn as much as they can to devise a plan of action. Technical details are a critical component of this picture, and with OSINT tools like Maltego, a sin ...more

As an avid coffee drinker, I used to be a big fan of single-serve coffee machines. One day, the machine decided to stop working—which does happen from time to time—so I decided to go old school and use my automatic drip. Then, I realized that all I had were pods of single-serv ...more

Introduction The 3 major anonymity networks on the Internet are Tor/Onionland, I2P and Freenet. If you feel confused on which one is the "best" one to use the answer is simple. Use all three! Each anonymity network is designed for a different specific purpose. One network al ...more

Social Engineering was mentioned a few times here on Null Byte, but not very many explained what it is, or how to do it. I love this quote because it's true: Social Engineering is the key to carrying out client side attacks, and all you need is a little creativity! Social Eng ...more

A lot of people still trust their web browsers to remember every online account password for them. If you're one of those users, you need to adopt a more secure way of managing passwords, because browser-stored passwords are hacker gold mines. With a USB Rubber Ducky and physi ...more

Sideloading apps on Android is incredibly easy—you just have to enable "Unknown sources" in your device's Security settings, then you're free to run an APK installer file to get the app installed. As simple as that sounds, the trouble comes when you're trying to find an APK t ...more

PowerShell Empire is an amazing framework that is widely used by penetration testers for exploiting Microsoft Windows hosts. In our previous guide, we discussed why and when it's important to use, as well as some general info on listeners, stagers, agents, and modules. Now, we ...more

The easiest way around a security policy is to find users who don't follow it. The Have I Been Pwned database identifies accounts with information breached by major third parties like Yahoo and LinkedIn. With Maltego, hackers can locate breached accounts created using company ...more

Firefox's hidden advanced menu gives you several ways to tweak the way it works under the hood. Here are a set of settings to change to get it to browse faster than ever. Step 1: Go to About:Config Go to the URL bar (A.K.A awesome bar) and enter about:config. If you want to ...more

One of the coolest features that Samsung built into the Galaxy S4 is the infrared (IR) blaster and WatchON software to control your television. I've been using my GS4 for the past few weeks to control my DirecTV setup and it works great. Smartphones are truly becoming all-in-o ...more

One of the things that sets a seasoned hacker apart from the script kiddies is the ability to effectively sneak past antivirus defenses when executing an attack. One way to do this is to use custom shellcode in an exploit. Not everyone is an expert at writing shellcode, but lu ...more

A good, sharp knife is a cook's best friend, which is why there's so much passionate debate about what kind you should get. Most enthusiastic home cooks opt for a stainless steel knife, but it turns out there's a different option that the pros favor, and that's carbon steel. T ...more

Ransomware is software that encrypts a victim's entire hard drive, blocking access to their files unless they pay a ransom to the attacker to get the decryption key. In this tutorial, you'll learn how easy it is to use the USB Rubber Ducky, which is disguised as an ordinary fl ...more

If you need a tiny, flexible attack platform for raining down human-interface-device (HID) attacks on unattended computers, the USB Rubber Ducky is the most popular tool for the job. By loading the Ducky with custom firmware, you can design new attacks to be effective against ...more

Today's post is a small go-to guide for beginner programmers in Null Byte. With many of our community members picking up programming from our Community Bytes, it only makes sense to lay out a one-stop guide for your reference. Hopefully this guide will help you make an educate ...more

I've been an Android user almost as long as the operating system has existed, so when I received my first iPhone in April, I felt like I was in a foreign land. Sure, it runs most of the apps I'm used to, and the phone itself feels about the same in my hand as any similarly-siz ...more

Know thy enemy — wise words that can be applied to many different situations, including database hacking. It is essential to performing adequate reconnaissance on a system before even thinking about launching an attack — any type of attack — and this is no different for SQL in ...more

We all know about PRISM. The Surveillance Program allowing the U.S Government to access private user information. Such as, Google Searches, Tweets, Facebook Posts, Private Images, and other private user data. "Hiding" yourself can be very difficult, but it is possible. I'm her ...more

Thanks to Yifan Lu, it's been discovered that the operating system running on the Kindle Touch is written mostly in HTML5 and JavaScript, unlike the previous models which used Java. This is exciting, because when a device is hacked or rooted, that means homebrew programs can b ...more

Russian cyber disinformation campaigns have many missions, but one of particular interest is using technology to monitor, influence, and disrupt online communications surrounding culturally sensitive topics or protests. The ability to watch these events, and even filter positi ...more

Hello everyone Today I will show a different way to exploit a windows machine with a reverse https payload..."wait...why https? Isn't tcp good anymore?" The answer is yes...and no...Actually https has few but very important benefits that tcp hasn't : 1)HTTPS hides what is b ...more

The ability to stay organized and be resourceful with data gathered from recon is one of the things that separates the true hackers from the script kiddies. Metasploit contains a built-in database that allows for efficient storage of information and the ability to utilize that ...more

hello hackers,newbies and followers of this great community, after some research here in our community, I noticed that there is not even one tutorial that teach Web Development. We have a lot of tutorials on how to hack web site but many do not know exactly how a web site is c ...more

+Nik Cubrilovic discovered last week that Facebook could track your web activities even after you logged out of your Facebook account. After some blatant denials from Facebook spokespeople, Facebook decided to fix the logout issue, but not before +Michael Arrington, on his new ...more

I'll admit it: I ignore expiration dates. No matter if it's a sell-by date, "best if used before" date, or even a use-by date, I don't care. I just check for signs of food decay and keep on eating. Not everyone is as lax as I am about expiration dates, though. Some people tos ...more

Android phones may soon be able to send and receive iMessages thanks to a new open-source app called PieMessage. You can check out the work-in-progress app in action in the video below. It was created by iOS/Android app developer Eric Chee, who has the source code for PieMess ...more

For me, the idea of a smartphone with internet access was overkill for a cell phone. Wasn't that what my computer was for? Do I really need immediate access to the web? Must I update my Facebook every hour, from the palm of my hand? Do I need turn-by-turn directions from Googl ...more

Everyone starts their mornings differently, but one common thread amongst the masses tends to be the consumption of coffee, albeit in many different forms—instant, pre-ground, K-Cups, Nespresso, and so on. And I'm sure that we all have our own preferred methods, as well. Don' ...more

Robots are always really cool, if you ask me. Sometimes they're made out of Legos, and that's even cooler. The Papercube, previously called the Legomaschine, is a fully automated Lego "factory" created by students in the Management, Information, and Technology program at Germ ...more

Every summer for the last 26 years, hoards of hackers have descended on the Las Vegas Strip for DEFCON, the biggest hacker conference in the US. There's a wealth of talks every season (DEFCON 27 has at least 95 scheduled), and there have been some essential topics to learn fro ...more

Greetings my fellow aspiring hackers, Huh :) . Its that part of the year when friends and family come together for reunions and family gathering. Christmas is the only time of the year where the sensation and desire to bond and repair lost and broken relationships becomes str ...more

Welcome back, my novice hackers! This next subject might seem a bit obscure, but I promise you, this lesson will benefit you significantly either as a hacker or system admin. This tutorial will cover what is usually referred to as a regular expression, or regex for short. Ma ...more

What is a Data Structure? When we think of a "structure" we often think of architecture, but data also often has structure. There are many different types of data structures: arrays, graphs, queues, stacks, and so on. We use these structures in order to be able to effectively ...more

Nothing gets me functioning in the morning better than strong coffee. And if I'm going to start my day with a dreaded workout, that steaming cup of caffeine is the exact motivation I need to get going. Although coffee might not seem like the best beverage to drink before hitti ...more

WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the most ...more

Injection is an attack vector that involves breaking out of a data context and switching into a programming context through the use of special characters. These characters are significant to the interpreter being used, but not needed for the general user input being asked for. ...more

Hair dyers are pretty straightforward tools, but they can actually do way more than just dry your wet hair or defog your bathroom mirror. From the kitchen to the backyard, a blowdryer can help you solve common problems around the house and beyond, and here are our 10 favorite ...more

IFTTT is a fantastic tool that lets you trigger actions on your smartphone that normally require more advanced hacking. With the help of its friendly user interface, turning your phone into a more personal device has never been easier. However, the app has some more intricate ...more

Just last week, the Flashback trojan scared a lot of Mac users. Now, there's yet another trojan spreading across Mac computers—SabPub. The same Java vulnerability that allowed Flashback in seems to be how this SabPub malware snuck in, along with an Office vulnerability, which ...more

Another week has passed on the online battlefield as the CISPA legislation continues to grind away at our freedom. Here at Null Byte, we try to keep our community informed and knowledgeable at the same time—and that means creating content for them to learn from. After last we ...more

Coffee shops are a relaxing place to get work done on your laptop; there's free Wi-Fi, fresh coffee, and people generally leave you alone. Inevitably, those cups of coffee will go straight through you, resulting in a much-needed bathroom break. But while you're attending to yo ...more

Watch out Macs. Flashback is back. Variations of the trojan have reportedly infected 600,000 Mac computers around the globe, with about 57 percent in the U.S. and another 20 percent in Canada. Dr. Web, who discovered the spreading Flashback, said that these trojans install t ...more

Greetings my fellow aspiring hackers, Android Development like other programming languages requires the use of some basic essential components, programs and configurations to get started. Android Development requires a little bit of knowledge of the Java language which means ...more