Hack Using Wireshark

Imagine being able to play a video instantly on hundreds of thousands of devices across the globe. It's totally possible, as long as all of those devices have a Chromecast plugged in. When Chromecasts are left exposed to the internet, hackers can use add them to a botnet that ...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

The Jetsons may not have gotten everything right about the future, but even though we may not have flying cars or live in the sky (yet), one thing they imagined correctly was our electronics eventually being able to understand us. Speech recognition technology has come a long ...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 back, my greenhorn hackers! In previous Wi-Fi hacking tutorials, I have shown you ways to create an Evil Twin, to DoS a wireless AP, and to crack WEP and WPA2 passwords, but in this tutorial, I will show you something a little bit different. In many restaurants, hote ...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 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

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

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

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 hacker novitiates! When we are trying to find vulnerabilities in a website to attack, we need a solid web server vulnerability scanner. Internet-facing web apps can open enormous opportunities for us as they are often riven with vulnerabilities and can often ...more

Welcome back, my novice hackers! New hackers often ask me the same question: "What is the easiest platform to hack?" My response is always the same—it is not a platform, but rather a particular piece of software that is easiest to hack, which is on nearly every client-side sy ...more

Welcome back, my greenhorn hackers! My preference for Linux as a hacking platform is well documented, and I have even created a series of tutorials to train new hackers. Without being proficient in Linux, you can't really call yourself a hacker. Every once in while, though, ...more

Welcome back, my novice hackers! Before we try to attack a website, it's worthwhile understanding the structure, directories, and files that the website uses. In this way, we can begin to map an attack strategy that will be most effective. In addition, by knowing what files ...more

While password cracking and WPS setup PIN attacks get a lot of attention, social engineering attacks are by far the fastest way of obtaining a Wi-Fi password. One of the most potent Wi-Fi social engineering attacks is Wifiphisher, a tool that blocks the internet until desperat ...more

Welcome back, my greenhorn hackers! Continuing with my series on how to crack passwords, I now want to introduce you to one of the newest and best designed password crackers out there—hashcat. The beauty of hashcat is in its design, which focuses on speed and versatility. It ...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

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

Welcome back, my novice hackers! In a recent tutorial, I showed how the SNMP protocol can be a gold mine of information for reconnaissance on a potential target. If you haven't already, I strongly suggest that you read it before progressing here, as little of this will make m ...more

Welcome back, my hacker noviates! In a recent post, I introduced you to Shodan, the world's most dangerous search engine. Shodan crawls the globe from IP to IP address, attempting to pull the banners of each web-enabled device and server it finds. These banners are what the ...more

Welcome back, my aspiring hackers and those who want to catch my aspiring hackers! As most of you know, this series on digital forensics is inspired by the motivation to keep all of you all out of custody. The more you know about the techniques used by law enforcement and for ...more

Welcome back, my greenhorn hackers! Digital forensics and hacking are complementary disciplines. The better you are at digital forensics, the better hacker you are, and the better hacker you are, the better you are digital forensics. Unfortunately, few people in either profes ...more

Welcome back, my neophyte hackers! Digital forensics is one of the fields often overlooked by aspiring hackers. In a rush to exploit every and any system they can, they often ignore learning digital forensics—the field that may lead to them being traced. In addition to learn ...more

Welcome back, my fledgling hackers! Nearly every commercial enterprise worth hacking has an intrusion detection system (IDS). These network intrusion detection systems are designed to detect any malicious activity on the network. That means you! As the name implies, a networ ...more

Hi all, Pro Hackers/Crackers, Let's see how we can use batch for our own Protection instead of exploiting someone with it. And this tutorial is going to explain the same. #1 Protection, PC Security: I will tell you how to add another level of security to your PC, instead of j ...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

The Windows 10 desktop and microphone can be livestreamed without using Remote Desktop Protocol (RDP) software and without opening any ports on the target computer. A hacker with low user privileges can monitor and exfiltrate a target's every move and private conversation in r ...more

A hacker with privileged access to a Windows 10 computer can configure it to act as a web proxy, which allows the attacker to target devices and services on the network through the compromised computer. The probes and attacks appear to originate from the Windows 10 computer, m ...more

Many of my aspiring hackers have written to me asking the same thing. "What skills do I need to be a good hacker?" As the hacker is among the most skilled information technology disciplines, it requires a wide knowledge of IT technologies and techniques. To truly be a great h ...more

As Android bug bounty hunters and penetration testers, we need a properly configured environment to work in when testing exploits and looking for vulnerabilities. This could mean a virtual Android operating system or a dedicated network for capturing requests and performing ma ...more

Wi-Fi networks come in two flavors: the more common 2.4 GHz used by most routers and IoT devices, and the 5 GHz one offered as an alternative by newer routers. While it can be frustrating to attack a device that moves out of reach to a 5 GHz Wi-Fi network, we can use an Alfa d ...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

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

Hello, Null Byte! Mkilic here. I doubt anyone knows I even exist on Null Byte, so hopefully this post will allow me to become more involved in the community and also help me learn even more. This project is somewhat similar to OTW's article here, and pry0cc's here, in which b ...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

People are always looking for ways to save money, and for the most part, saving money and cheating the system are synonymous when it comes to things like free internet access. Practically every new gadget is capable of connecting to the web, which means more and more people ar ...more

Welcome back, my budding hackers! As I have mentioned many times throughout this series, knowing a bit of digital forensics might keep you out of a lot of trouble. In addition, digital forensics is a burgeoning and high paying career. Some knowledge and certifications in this ...more

Data can be injected into images quickly without the use of metadata tools. Attackers may use this knowledge to exfiltrate sensitive information from a MacBook by sending the pictures to ordinary file-sharing websites. Continuing on the topics of DPI evasion, payload obfuscat ...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

With the rise of website encryption (TLS), sniffing passwords from network activity has become difficult. However, it's still possible to quietly exfiltrate a target's network traffic in real time to extract passwords and sensitive information. Pertaining to macOS, there are t ...more

With more people joining the internet scene each day it's important that it's security is.. well it has to be good. Of course everything can be hacked and that's the way hackers work. They know there IS a vulnerability but they don't don't know the rest. in this article i'll t ...more

Complex shell scripts can be implanted into photo metadata and later used to exploit a MacBook. In addition to obfuscating the true nature of an attack, this technique can be used to evade network firewalls as well as vigilant sysadmins. In this attack scenario, a malicious c ...more

Welcome back, my novice hackers! It has become clear from some of your questions that quite a few of you are unfamiliar with the hexadecimal system, or simply, hex. The hexadecimal system is used throughout computing and if you have never studied this Base16 numering system, ...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

It only takes a few commands to manipulate a MacBook's secure HTTPS traffic and pluck login passwords out of the encrypted data. Let's take Facebook and Gmail hacking to the next level by intercepting Safari and Google Chrome web traffic in real time. Both Facebook and Gmail ...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

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

Welcome back, my hacker apprentices! Several of you have written asking me how you can check on whether your boyfriend, girlfriend, or spouse is cheating on you, so I dedicate this tutorial to all of you with doubts about the fidelity of your spouse, girlfriend, or boyfriend. ...more

Kali Linux, by default, probably doesn't have everything you need to get you through day-to-day penetration testing with ease. With a few tips, tricks, and applications, we can quickly get started using Kali like a professional white hat. Most Linux distributions are highly c ...more

The most common Wi-Fi jamming attacks leverage deauthentication and disassociation packets to attack networks. This allows a low-cost ESP8266-based device programmed in Arduino to detect and classify Wi-Fi denial-of-service attacks by lighting a different color LED for each ty ...more

Here at Null Byte, we've spoken a lot about securing and anonymizing traffic. This is a big deal. With all of today's business taking place electronically via computers, we need to be secure when on-the-go. A lot of businesses don't even train their employees to secure their c ...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