Hot Null Byte Posts

How To: Dox Anyone

Doxing is the act of finding one's personal information through research and discovery, with little to no information to start with. You may have seen doxing in the news, for instance when not so long ago, hacker team Anonymous doxed and reported thousands of twitter accounts related to ISIS. Doxing can be useful for finding the address of a coworker, or simply investigating people on the internet. The tutorial I will provide to you now will teach you the basics of doxing and how you can prot...

How To: Exploit EternalBlue on Windows Server with Metasploit

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 machines and wreaking havoc everywhere. Here, we will use EternalBlue to exploit SMB via Metasploit.

How to Hack Wi-Fi: Cracking WPA2 Passwords Using the New PMKID Hashcat Attack

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 the PMKID uses Hashcat to crack WPA passwords and allows hackers to find networks with weak passwords more easily.

Hack Like a Pro: How to Crack Passwords, Part 3 (Using Hashcat)

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 enables us to crack multiple types of hashes, in multiple ways, very fast.

How To: Find Identifying Information from a Phone Number Using OSINT Tools

Phone numbers often contain clues to the owner's identity and can bring up a lot of data during an OSINT investigation. Starting with a phone number, we can search through a large number of online databases with only a few clicks to discover information about a phone number. It can include the carrier, the owner's name and address, and even connected online accounts.

How To: Scan for Vulnerabilities on Any Website Using Nikto

Before attacking any website, a hacker or penetration tester will first compile a list of target surfaces. After they've used some good recon and found the right places to point their scope at, they'll use a web server scanning tool such as Nikto for hunting down vulnerabilities that could be potential attack vectors.

How To: Make Your Own Bad USB

Hello, everyone! Many of you don't even know about my existence here on Null Byte, so I thought of contributing something rather interesting. Recently, someone asked how to make your own "Bad USB," and I promised to make a how-to on this topic. In addition, it would be nice to have something related on our WonderHowTo world. So here it is!

How To: Brute-Force WPA/WPA2 via GPU

Most of you lot would be aware what WPA/WPA2 is so I won't bang on about the encryption or protocols a great deal. In short WPA and WPA2 both have a maximum of 256bit encrypted with a maximum of 64 characters in the password. The encryption is really only 64bit but x 4 because of the way the authentication functions as a 4 way handshake.

How To: Create an Encryption Program with Python

Hello, fellow grey hat hackers and aspiring coders. I'm back again with another python tutorial. Just that this one is gonna be a lot cooler ;-). We gonna make an encryption program, that well you know encrypts all the files on your pendrive or hdd or whatever you want....Also lots of thanks to DrapsTV. They have helped me a lot with Python and making awesome programs. The video is here:

How To: GPU Accelerate Cracking Passwords with Hashcat

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 that have been passed through a cryptographic hash and try to reverse them. The normal processors that are housed inside of our computer cases are general purpose. The processors are not meant for handling complex math an...

How To: Use Burp & FoxyProxy to Easily Switch Between Proxy Settings

One of the best ways to dig into a website and look for vulnerabilities is by using a proxy. By routing traffic through a proxy like Burp Suite, you can discover hidden flaws quickly, but sometimes it's a pain to turn it on and off manually. Luckily, there is a browser add-on called FoxyProxy that automates this process with a single click of a button.

How To: Use Kismet to Watch Wi-Fi User Activity Through Walls

Your home has walls for privacy, but Wi-Fi signals passing through them and can be detected up to a mile away with a directional Wi-Fi antenna and a direct line of sight. An amazing amount of information can be learned from this data, including when residents come and go, the manufacturer of all nearby wireless devices, and what on the network is in use at any given time.

How To: Find Vulnerable Webcams Across the Globe Using Shodan

Search engines index websites on the web so you can find them more efficiently, and the same is true for internet-connected devices. Shodan indexes devices like webcams, printers, and even industrial controls into one easy-to-search database, giving hackers access to vulnerable devices online across the globe. And you can search its database via its website or command-line library.

How To: Perform Advanced Man-in-the-Middle Attacks with Xerosploit

A man-in-the-middle attack, or MitM attack, is when a hacker gets on a network and forces all nearby devices to connect to their machine directly. This lets them spy on traffic and even modify certain things. Bettercap is one tool that can be used for these types of MitM attacks, but Xerosploit can automate high-level functions that would normally take more configuration work in Bettercap.

How To: Fuzz Parameters, Directories & More with Ffuf

The art of fuzzing is a vital skill for any penetration tester or hacker to possess. The faster you fuzz, and the more efficiently you are at doing it, the closer you come to achieving your goal, whether that means finding a valid bug or discovering an initial attack vector. A tool called ffuf comes in handy to help speed things along and fuzz for parameters, directors, and more.

How To: Find Passwords in Exposed Log Files with Google Dorks

You may not have thought of dorks as powerful, but with the right dorks, you can hack devices just by Googling the password to log in. Because Google is fantastic at indexing everything connected to the internet, it's possible to find files that are exposed accidentally and contain critical information for anyone to see.

How To: Intercept Images from a Security Camera Using Wireshark

It's common for IoT devices like Wi-Fi security cameras to host a website for controlling or configuring the camera that uses HTTP instead of the more secure HTTPS. This means anyone with the network password can see traffic to and from the camera, allowing a hacker to intercept security camera footage if anyone is watching the camera's HTTP viewing page.

How To: Write an XSS Cookie Stealer in JavaScript to Steal Passwords

JavaScript is one of the most common languages used on the web. It can automate and animate website components, manage website content, and carry out many other useful functions from within a webpage. The scripting language also has many functions which can be used for malicious purposes, including stealing a user's cookies containing passwords and other information.

Tutorial: Create Wordlists with Crunch

Greetings all. Before I get into the tutorial, I would like to mention that I am fairly new to Null Byte (been lurking for some time though), and what really appeals to me about this place is its tight, family-like community where everyone is always willing to help each other and the constant search for knowledge that inhabits this subdomain is a driving motivator for me to join in. I'm glad I arrived at the right time. Anyway, wipes tears (not really)...

How To: Enumerate SMB with Enum4linux & Smbclient

SMB (Server Message Block) is a protocol that allows resources on the same network to share files, browse the network, and print over the network. It was initially used on Windows, but Unix systems can use SMB through Samba. Today, we will be using a tool called Enum4linux to extract information from a target, as well as smbclient to connect to an SMB share and transfer files.

How To: Set Your Wi-Fi Card's TX Power Higher Than 30 dBm

Do you have an Alfa AWUS036NH Wi-Fi adapter that claims it can go to 2000 mWs, or some card that can supposedly transmit power over 1000 mW? If so, you may have run into problems setting your card's TXPOWER higher than 30 dBm, which is about 1000 mW. Well, I will show you how to break that barrier and go as high as you want!

Steganography: How to Hide Secret Data Inside an Image or Audio File in Seconds

Steganography is the art of hiding information in plain sight, and in this tutorial, I'll show you how to use Steghide — a very simple command line tool to do just that. In addition, I'll go over a bit of conceptual background to help you understand what's going on behind the scenes. This is a tool that's simple, configurable, and only takes a few seconds to hide information in many file types.

How To: Crack Shadow Hashes After Getting Root on a Linux System

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. There are two tried-and-true password cracking tools that can accomplish this: John the Ripper and Hashcat.

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