Web applications are becoming more and more popular, replacing traditional desktop programs at an accelerated rate. With all these new apps out on the web comes various security implications associated with being connected to the internet where anyone can poke and prod at them ...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
Hackers often find fascinating files in the most ordinary of places, one of those being FTP servers. Sometimes, luck will prevail, and anonymous logins will be enabled, meaning anyone can just log in. But more often than not, a valid username and password will be required. But ...more
Does your network begin to crawl right around the time your sinister-looking next-door neighbors get home from work? Do you harbor suspicions that one or more of them may be stealing your Wi-Fi? It's easy to find out. And equally easy to give freeloaders the boot. In the guide ...more
When you're personal assistant needs to handle your e-mails for you, it can be quite daunting having to give out your personal account information just so they can have access to your e-mail. And more importantly, having to battle for log in time might also be quite the hassle ...more
How to Crack Passwords Faster by Putting Your GPU to Work with HashcatSecurity on the internet is always changing. Not too long ago, having a 10 character password meant that you were safe from all forms of hash cracking. Hash cracking is when you take a string of characters t ...more
How did it happen? How did your ultra-secure WPA password on your wireless network get broken into? Well, you might have just found yourself at the mercy of a cracker. Crackers are malicious computer users who specialize in breaking into things. Whether it be passwords, login ...more
This episode of Full Disclosure demonstrates how to hack/crack MD5 password hashes. MD5 (Message-Digest algorithm 5) is a hash function commonly used by websites to encrypt passwords. MD5 is a one-way hash; therefore, to crack the password you most try every possible dictionar ...more
Following the first part in this series on advanced cracking techniques, we are going to go over how we can intelligently crack passwords using the old-fashioned bruteforce method. These unique cracking techniques aren't widely used, because most crackers are Script Kiddies wh ...more
In the 3rd episode of thebroken Kevin and Dan show how to mod the original XBOX, the PS2, and the Gamecube. But the show kicks off with a couple 40z and some easy tips on how to crack windows passwords. Ramzi busts out with his best hacker tip yet, a self-destructing laptop! a ...more
Getting splinters is no fun, but making them can be if you've got the right tools and the proper technique. You Will Need * Wood * A chopping block * A splitting maul * A sledge hammer * Two wedges Step 1: Set your log Place your log on the chopping block, or if one is unavai ...more
There are loads of reasons for somebody to want to recover a Windows password, and there are lots of different ways of doing it. My favorite of all of these ways is to use a piece of software called Ophcrack because: The free tables are suitable for almost all uses (I've neve ...more
Our mission for this week's Community Byte was to create a Python program to crack web-based passwords, like the ones you would see on an email or router login. I wanted it to be universal in the sense that it could be easily modified and adapted to another website just by cha ...more
Welcome to another Community Byte announcement! In the past two sessions, we have coded an IRC bot in Python capable of issuing commands. Since it can issue commands and most of you are new to programming, that project will stay idle for a while. Other commands such as voice a ...more
I've previously mentioned how saving browser passwords is a bad idea, but I never went into much detail as to why. Passwords that are saved in your browser can be carved out and stolen very easily. In fact, even passwords you save for instant messaging and Wi-Fi are vulnerable ...more
This weekend, hackers broke into the servers of the popular shoe shopping site Zappos, giving them access to the personal information of 24 million Zappos customers. The user data taken included names, email addresses, billing and shipping addresses, phone numbers, the last fo ...more
Null Byte is looking for moderators. More threats to computers exist every day. Not only do we have computer viruses and malware, but we have rootkits and other nasty pieces of code that can log your keyboard strokes or even add your computer to a botnet to attack other websi ...more
Null Byte is looking for forum moderators! Welcome to the ninth Community Byte for coding in Python and completing the challenges presented to us by HackThisSite. These sessions are created to bring our community together, to learn from each other, and grow together. Everyone ...more
This past Sunday, a group called Gnosis launched a massive hacker attack on Gawker media, one of the web's most popular blog networks (Lifehacker, Gizmodo, Jezebel, io9, Jalopnik, Kotaku, Deadspin and Fleshbot). 1.3 million registered users' passwords were compromised, and 188 ...more
Paying for web hosting isn't ideal in most situations. If you have your own website, hosting it yourself is very acceptable and easy to do, assuming your internet bandwidth permits. Most people want to run a personal site, nothing crazy, so hosting from home on low-bandwidth i ...more
Welcome to the second Null Byte in a series educating you on Social Engineering awareness and techniques. Today, I'm going to show you how a saavy Social Engineer would trick a friend into unknowingly surrendering their Facebook password. My intent is to warn and demonstrate h ...more
This Null Byte is a doozey. On Sunday, September 19th, an exploit for the latest Mac OS X 10.7 "Lion" was discovered by Patrick Dunstan. This exploit allows for an attacker, even remotely, to request to have the root user's password changed without knowing the password to the ...more
In this video tutorial, you'll find a step-by-step guide to how a n00b hacker (like you?) can get usernames and passwords easily through one of the security flaws of the Ethernet ADSL router. More than half of Internet users never change their default password which makes this ...more
Welcome to the closing of the second HackThisSite and programming Community Byte. First and foremost, I would like to ask that people start showing up on time to the Community Bytes. If you need help converting your time zone to PST, go to Time Zone Converter. When users do no ...more
Back when I was a Windows user, I know I'm not the only one who has experienced password loss—that moment where you just can't remember your password. Sometimes it happens to the best of us. So, how can we get into the system without paying a local geek or geeksquad to do it? ...more
Six months ago, 1.3 million registered users of Gawker Media had their passwords compromised when the site was hacked by Gnosis. The passwords were encrypted, but 188,279 of them were decoded and made publicly available for all to see. Just three weeks ago, Sony Pictures was h ...more
Previously, we talked about how to secure Firefox. Today, we will talk about securing a Chromium based Browser. Why? Because Chrome recently beat Firefox in holding more customers. It is obvious that Google Chrome tracks our every move online, so what alternatives is out ther ...more
Want to know someone's private website password? It's the biggest wanted hack: passwords, but how do you do it? Well, this tutorial shows you how to hack any password on any site with JavaScript. But this works best on public computers because multiple people log on to them, w ...more
Dawn your flannel and grow out your beard, it’s time to do some log cutting. Put good use to unwanted trees or extra lumber by making proper logs. It may seem self explanatory but the correct form will create uniform, crack free logs and keep you with all your fingers. You ha ...more
Dr. Michael Pound, a computer science researcher and professor at the University of Nottingham, uses hashcat and 4 GPUs in parallel to go through 1o billion hashes a second in this Computerphile video. He calls his deep-learning server the "Beast." If you're new to cracking pa ...more
Cracking the password for WPA2 networks has been roughly the same for many years, but a newer attack requires less interaction and info than previous techniques and has the added advantage of being able to target access points with no one connected. The latest attack against t ...more
Welcome, my hacker novitiates! As part of my series on hacking Wi-Fi, I want to demonstrate another excellent piece of hacking software for cracking WPA2-PSK passwords. In my last post, we cracked WPA2 using aircrack-ng. In this tutorial, we'll use a piece of software develop ...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
Password cracking is a specialty of some hackers, and it's often thought that raw computing power trumps everything else. That is true in some cases, but sometimes it's more about the wordlist. Making a custom, targeted wordlist can cut down cracking time considerably, and Wor ...more
Everybody knows not to store sensitive information in unencrypted files, right? PDFs and ZIP files can often contain a treasure trove of information, such as network diagrams, IP addresses, and login credentials. Sometimes, even certain files that are encrypted aren't safe fro ...more
Hashes are commonly used to store sensitive information like credentials to avoid storing them in plaintext. With tools like Hashcat, it's possible to crack these hashes, but only if we know the algorithm used to generate the hash. Using a tool called hash-identifier, we can e ...more
Microsoft Office files can be password-protected in order to prevent tampering and ensure data integrity. But password-protected documents from earlier versions of Office are susceptible to having their hashes extracted with a simple program called office2john. Those extracted ...more
People who know that I am a professional hacker often ask me what they can do to make their computers and personal information safe from people like me. The answer, of course, is that nothing will make you completely safe, but there are a number of measures any computer user c ...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
Any internet user will need to download files eventually, and most simply have faith that what they are downloading is trustworthy. This doesn't give much clarity into the contents of the file, but if the file's author published the original checksum, comparing it to the SHA-2 ...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
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
WPA Enterprise is widely used in large corporations as it offers individual and centralized control through a server that authenticate the users (RADIUS server). In this tutorial I will show you how to break the barrier and obtain the user credentials. How It Works? Let's ha ...more
There are many tools out there for Wi-Fi hacking, but few are as integrated and well-rounded as Bettercap. Thanks to an impressively simple interface that works even over SSH, it's easy to access many of the most powerful Wi-Fi attacks available from anywhere. To capture hands ...more
To name just a few companies, VK, µTorrent, and ClixSense all suffered significant data breaches at some point in the past. The leaked password databases from those and other online sites can be used to understand better how human-passwords are created and increase a hacker's ...more
Hi, my name is Alan, and I am not a script kiddy brat from Xbox Live asking you how to boot someone offline for being mean to me. I am an amateur white hat hacker hoping to learn and teach and this is my first tutorial. THC Hydra is very prominent online brute-force tool and ...more
It's gotten so much easier to screen record on your Galaxy thanks to One UI 2. You no longer need third-party apps — just tap a button. And while the built-in recorder doesn't have an indicator to show what's being touched on the screen, there's a simple way to enable it. Don ...more
While One UI 2 comes with a slew of improvements like native screen recording and more intuitive gestures, it also includes some redundant features such as button shortcuts for "Media" and "Devices" that many of us can do without. Granted, these new buttons found inside your ...more
After exploiting a vulnerable target, scooping up a victim's credentials is a high priority for hackers, since most people reuse passwords. Those credentials can get hackers deeper into a network or other accounts, but digging through the system by hand to find them is difficu ...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
Welcome back, my novice hackers! As we saw in my first tutorial on Facebook hacking, it is not a simple task. However, with the right skills and tools, as well as persistence and ingenuity, nothing is beyond our capabilities. One of the cardinal rules of hacking is: "If I ca ...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
If you're interested in joining the increasingly popular and lucrative world of ethical or "white hat" hacking, you're far from alone. More and more coding and programming pros are turning to this field thanks to the high pay, countless opportunities, and exciting work environ ...more
Using Hydra, Ncrack, and other brute-forcing tools to crack passwords for the first time can be frustrating and confusing. To ease into the process, let's discuss automating and optimizing brute-force attacks for potentially vulnerable services such as SMTP, SSH, IMAP, and FTP ...more
Passwords stored in web browsers like Google Chrome and Mozilla Firefox are a gold mine for hackers. An attacker with backdoor access to a compromised computer can easily dump and decrypt data stored in web browsers. So, you'll want to think twice before hitting "Save" next ti ...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
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
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
Malevolent hackers can divert your incoming calls and texts to any number they want, and they don't need to be a criminal mastermind to do it. Even friends and family members can reroute your incoming calls and messages so that they know exactly who's trying to reach you, and ...more
It seems like every day now that we see a new headline on a cyber security breach. These headlines usually involve millions of records being stolen from some large financial institution or retailer. What doesn't reach the headlines are the many individual breaches that happen ...more