Crack a Wifi Password

Welcome back everyone. I apologize for the lack of training articles, but I've been rater busy lately. I've recently picked up a second job and my college courses are now back in session, so I'm a bit strapped for time. FTP is a very important protocol. It's not only importan ...more

After gaining access to a root account, the next order of business is using that power to do something more significant. If the user passwords on the system can be obtained and cracked, an attacker can use them to pivot to other machines if the login is the same across systems ...more

There has been significant debate over law enforcement's right to access our digital devices in recent years. New tools from Grayshift and Cellebrite are popping up faster than ever to help government agencies, as well as traditional hackers, break into iPhones. If you're conc ...more

Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of sk ...more

Welcome back, my budding hackers. So many of you are interested in hacking Wi-Fi that I have decided to revisit my Wi-Fi Hacking series with some updated and more in-depth material. I strongly suggest that you look at some of my earlier posts, such as "Getting Started with Te ...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

Welcome back, my neophyte hackers! Metasploit is such a powerful tool that I can only scratch the surface of its capabilities here. As it has developed over the years, it is now possible to use Metasploit for nearly everything from recon to post exploitation to covering your ...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

Earlier this week, Spiderlabs' vulnerability researcher Jonathan Claudius discovered a key in Windows 7 and 8 registries that makes it easy for anyone with physical or remote access to a computer get a hold of the user's password hints. When the "UserPasswordHint" key is read, ...more

With just two microcontrollers soldered together, you can inject keystrokes into a computer from a smartphone. After building and programming the device, you plug it into a desktop or laptop, access it over a smartphone, and inject keystrokes as you would with a USB Rubber Duc ...more

Not having internet sucks! We do a ton online these days, from working, shopping, studying, and collaborating, to watching fail videos and endlessly clicking through memes. But sometimes your mobile screen is just not big enough! So, wouldn't it be cool if you could use your ...more

Apple includes a lot of helpful features for iCloud email addresses, but one of its best-kept secrets will give you total control over organizing your inbox like a pro. So, what's the big secret? Subaddressing, also known as plus addressing, tagged addressing, email address ...more

Developers creating login systems know better than to store passwords in plain text, usually storing hashes of a password to prevent storing the credentials in a way a hacker could steal. Due to the way hashes work, not all are created equal. Some are more vulnerable than othe ...more

Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...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

Design flaws in many routers can allow hackers to steal Wi-Fi credentials, even if WPA or WPA2 encryption is used with a strong password. While this tactic used to take up to 8 hours, the newer WPS Pixie-Dust attack can crack networks in seconds. To do this, a modern wireless ...more

Getting root is considered the Holy Grail in the world of Linux exploitation. Much like SYSTEM on Windows, the root account provides full administrative access to the operating system. Sometimes even a successful exploit will only give a low-level shell; In that case, a techni ...more

Rooting. As an Android user, I'm sure you've heard the word once or twice. According to Kaspersky, 7.6% of all Android users root — but for the 92.4% who don't, we wanted to talk to you. Rooting allows you to remove barriers and open Android to a level of unprecedented contro ...more

There are many password-cracking tools out there, but one of the mainstays has always been John the Ripper. It's a powerful piece of software that can be configured and used in many different ways. Metasploit actually contains a little-known module version of JTR that can be u ...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

When it comes to security, Apple is usually at the top of the pack when it comes to your personal data, minus a few embarrassing flaws here and there. However, a new iOS security concern has been discovered that protects your data less than it did before — and Apple designed i ...more

Welcome back, my fledgling hackers! There's an evil dictator hellbent on destroying the world, and in one of our last hacks, we successfully compromised his computer and saved the world from nuclear annihilation. Then, we covered our tracks so no one would know what we did, a ...more

Passwords and data stored in web browsers are extremely valuable to hackers. If not for financial gain, black hat hackers may still leak your passwords and personal information for amusement. Never undervalue what you're worth to a hacker. While I'm definitely no black hat, d ...more

While there aren't as many ways to customize your iPhone like there is on Android, there are still a lot of apps out there that can help streamline and enhance your experience beyond Apple's own default options — and we've hand-picked over 100 essentials. No matter if you've ...more

Passwords are everywhere. We use them to unlock phones, computers, websites, encrypted disks, encrypted files... the list just goes on and on. Savvy users will already have a password manager of some sort that can generate a very strong password on a per site basis. However, t ...more

Each day, we read about another security breach somewhere in our digital world. It has become so commonplace that we hardly react anymore. Target, J.P. Morgan, iCloud, Home Depot, and the list goes on and on. Those are just the big ones that get reported in the news. Millions ...more

The USB Rubber Ducky is a well-known hacking device in the cybersecurity industry, but it needs to be preprogrammed before it can be used. That means it's not easy to issue commands to a target computer since you can't interact with it from afar after plugging it in. And if yo ...more

Post-exploitation information gathering can be a long and drawn-out process, but it is an essential step when trying to pivot or establish advanced persistence. Every hacker should know how to enumerate a target manually, but sometimes it is worth it to automate the process. M ...more

Using a keylogger to intercept keys pressed on an infected computer can circumvent encryption used by email and secure chat clients. The collected data can often reveal usernames, passwords, and potentially compromising and private information which hackers abuse for financial ...more

This year's I/O was all about bringing Android into the future and onto new devices. On top of announcing the upcoming "L" release of its mobile OS, Google showcased Android Wear, Android Auto, and Android TV. With a unified design language and notification mirroring, the var ...more

Apple's macOS operating system is just as vulnerable to attacks as any Windows 10 computer or Android smartphone. Hacker's can embed backdoors, evade antivirus with simple commands, and utilize USB flash drives to completely compromise a MacBook. In this always-updated guide, ...more

iOS 12 has a feature that lets you instantly share saved Wi-Fi passwords with other iPhone users, but it can be finicky when you're sharing with multiple people. Then there's an even more pressing question: How do you share your password with Android users? Thankfully, there's ...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

With protests springing up across America, there's a chance you may have your first interaction with law enforcement. Many demonstrators will have their phones in-hand to film the action, which, sadly, could prompt an officer to demand the device and any self-incriminating dat ...more

Are you tired of your snoopy coworkers and friends lingering over your shoulder as you type in your security passcode? Unless you have the newer iPhone 5S with Touch ID that scans your fingerprint, you've only got a couple of security options—either a 4-digit numeric passcode ...more

The first question people ask me when they come to my apartment is usually "What's your Wi-Fi password?" While I'm happy to give my friends free access to the internet, it's hard to walk each person through my secure password. Luckily, there's a way to create a QR code that wi ...more

With the Wigle WiFi app running on an Android phone, a hacker can discover and map any nearby network, including those created by printers and other insecure devices. The default tools to analyze the resulting data can fall short of what a hacker needs, but by importing wardri ...more

Hacking Wi-Fi is a lot easier than most people think, but the ways of doing so are clustered around a few common techniques most hackers use. With a few simple actions, the average user can go a long way toward defending against the five most common methods of Wi-Fi hacking, w ...more

Have you ever used an open wifi, which after you connect displays a website to enter your credentials to get internet? That website is called captive portal and widely used in airports, hotels, universities etc. Have you ever wondered what would happen if someone would set up ...more

Null Byte users have often requested video content, but the question has always been what format would best serve our community. This week, we partnered with Null Space Labs, a hackerspace in Los Angeles, to test the waters by hosting a series of talks on ethical hacking for s ...more

Hashes containing login passwords are transmitted between Windows computers on local Wi-Fi networks. By intercepting and decrypting these hashes using Responder and John the Ripper, respectively, we can learn a target's login credentials which can be later used to gain physica ...more

Since I first announced the new Null Byte recognition for excellence a few weeks ago, several of you have written me asking, "How can I study for this certification exam, and what material will be covered on the exam?" Now I have an answer for you. The White Hat Hacker Associa ...more

Thanks to Verizon Wireless, I pay over $220 a month for my phone bill. It's just me on the plan—no family members, and it's not even unlimited data. So, when I receive that data alert message telling me that I've used up 90% of my plan and that I've still got a few more week u ...more

Passwords on Windows are stored as hashes, and sometimes they can be tough to crack. In certain situations, though, we can get around that by using the hash as is, with no need to know the plaintext password. It's especially interesting if we can manage to get the hash of an a ...more

Smartphones and laptops are constantly sending Wi-Fi radio signals, and many of these signals can be used to track us. In this guide, we'll program a cheap IoT device in Arduino to create hundreds of fake networks with common names; This will cause nearby devices to reveal the ...more

Welcome back, my nascent hackers! Like anything in life, there are multiple ways of getting a hack done. In fact, good hackers usually have many tricks up their sleeve to hack into a system. If they didn't, they would not usually be successful. No hack works on every system a ...more

A rainbow table can be thought of like a dictionary, except instead of words and their definitions, it holds combinations of characters on one side and their hashed form on the other. What is a hash and why would you want to know what random combinations of characters are hash ...more

Losing your phone is a much bigger ordeal today than it was just 10 years ago. Our smartphones carry with them lots of sensitive data that, in the wrong hands, is capable of being used for identity theft and fraud. One of the smartest things you can do to help avoid such a di ...more

If you're ever faced with a situation of handing over your iPhone to law enforcement (or getting it taken forcibly), whether by the police, feds, or court system, there are things you can do to prevent them from getting access to all that potentially self-incriminating data. A ...more

RouterSploit is a powerful exploit framework similar to Metasploit, working to quickly identify and exploit common vulnerabilities in routers. And guess what. It can be run on most Android devices. I initially covered RouterSploit on Kali Linux and macOS (OS X), but this tuto ...more

When hacking into a network during a penetration test, it can sometimes be useful to create your own wireless AP simply by plugging a Pi into an available Ethernet port. With this setup, you have your own backdoor wireless connection to the network in a matter of seconds. Crea ...more

Containers are isolated software instances representing applications, servers, and even operating systems—complete with all of their dependencies, libraries configuration files, etc.—and they're taking over the corporate world. The ephemeral, portable nature of containers help ...more

What's your Twitter handle worth? If it's considered "desirable" (aka short and simple), it'll get you around 100 bucks, or, if you prefer, the affections of a teenage girl. A user with the handle @blanket found out the hard way that Twitter's security is atrocious when his a ...more

You've probably noticed how we like to stress the importance of a strong password. After all, there are still people out there who continue to use passwords like 123456 and even just "password". But passwords aren't the only barriers that protect your information. According t ...more

One thing that makes Signal Private Messenger better on Android over iOS is that you can better secure the app with a password or passphrase. Best of all, you don't need to install an app locker to get this working — you can do it right from inside Signal. Your messages alway ...more

Wi-Fi signals have limited range, so if you live in a two-story house or work in a larger office, you may have set up multiple routers or repeaters to ensure full wireless coverage. Sadly, Android handles the transition between networks pretty poorly. The main issue here is t ...more

This is second post in my series of posts for finding hacked accounts online. Please do read the part 1 of the post at http://null-byte.wonderhowto.com/how-to/find-hacked-accounts-online-part-1-0164611/ In this post we will explore more about finding hacked accounts online, w ...more

With over 10,000 possible combinations, a four-digit passcode may seem secure, but it's fairly easy for someone to crack your code—no matter how clever you think it is. Luckily, there are many other options for securing your iPhone's lock screen—especially if your running iOS ...more

If you somehow forgot the pattern, PIN, or password that locks your Android device, you might think you're out of luck and are destined to be locked out forever. These security methods are hard to crack by design, but in many cases, it's not entirely impossible to break into a ...more

After finding and monitoring nearby wireless access points and devices connected to them, hackers can use this information to bypass some types of security, like the kind used for Wi-Fi hotspots in coffee shops, hotels, and in flights high above the ground. By swapping their M ...more