Linux Ip Network

The world is full of vulnerable computers. As you learn how to interact with them, it will be both tempting and necessary to test out these newfound skills on a real target. To help you get to that goal, we have a deliberately vulnerable Raspberry Pi image designed for practic ...more

If you want to carry a variety of network adapters without looking suspicious, a perfect solution is accessing them through Airserv-ng. Tucked away in the Aircrack-ng suite, this tool allows a hacker to plug any number of network adapters into a Raspberry Pi and access them ov ...more

ARP spoofing is an attack against an Ethernet or Wi-Fi network to get between the router and the target user. In an ARP-spoofing attack, messages meant for the target are sent to the attacker instead, allowing the attacker to spy on, deny service to, or man-in-the-middle a tar ...more

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 vulnerabiliti ...more

SSH is a powerful tool with more uses than simply logging into a server. This protocol, which stands for Secure Shell, provides X11 forwarding, port forwarding, secure file transfer, and more. Using SSH port forwarding on a compromised host with access to a restricted network ...more

Electronic warfare tactics work by jamming, disrupting, or disabling the technology a target uses to perform a critical function, and IoT devices are especially vulnerable to attacks. Wireless security cameras like the Nest Cam are frequently used to secure critical locations, ...more

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 attac ...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

While hackers have taken advantage of numerous vulnerabilities in Adobe's products to deliver payloads to Windows users via PDF files, a malicious PDF file can also wreak havoc on a Mac that's using the default Preview app. So think twice before double-clicking a PDF open on y ...more

Most newer computers come with a webcam, but if you're using an older system, you may not have one. If you only need to use a webcam occasionally, it may not be worth putting the money into, so why not just use your smartphone? There are a few apps out there that can help you ...more

In my last tutorial, I talked about creating a virus inside of a Word Document in the scenario of a mass-mailer attack. In this post, however, I'm going to be covering creating a fake image or screenshot with a meterpreter backdoor hidden inside to be used in a similar scenari ...more

When performing something such as a mass mailer attack on a company, sending executables usually isn't the best option. That's why, in this tutorial, I'll be teaching you how to code a VBA script macro into a Word document in order to compromise a system. Combined with a littl ...more

A mention of the deep web can bring to mind images of drugs, hackers, and other criminal activity. Despite the presence of these elements, the Tor network is a valuable tool for preserving privacy and anonymity. And browsing the deep web and any hidden services can be as simpl ...more

A weak password is one that is short, common, or easy to guess. Equally bad are secure but reused passwords that have been lost by negligent third-party companies like Equifax and Yahoo. Today, we will use Airgeddon, a wireless auditing framework, to show how anyone can crack ...more

Welcome back, my rookie hackers! Most often, the professional hacker is seeking protected information from the target system or network. This might be credit card numbers, personally identifiable information, or intellectual property (formulas, plans, blueprints, designs, etc ...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

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 interce ...more

Computers all over the world rely on a program called "libssh" to use the SSH communications protocol, which allows trusted users to log in and administer computers remotely. Due to a flaw in libssh, fooling a computer into granting SSH access is as easy as telling it you alre ...more

The dark web is an intimidating place for a newbie hacker, but it's a powerful tool once you've learned to navigate it safely. To help you out with that, this guide will cover some need-to-know information for traversing the dark corners of the internet while keeping your iden ...more

Surveillance is always a useful tool in a hacker's arsenal, whether deployed offensively or defensively. Watching targets yourself isn't always practical, and traditional surveillance camera systems can be costly, lacking in capabilities, or both. Today, we will use motionEyeO ...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

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

Coinhive, a JavaScript cryptocurrency miner, was reportedly discovered on the BlackBerry Mobile website. It was placed there by hackers who exploited a vulnerability in the site's e-commerce software that allowed them to anonymously mine cryptocurrency every time the website w ...more

I assume you are on the same network with your router 1 - open a terminal window 2 - type telnet 192.168.1.1 (your routers ip) 3 - admin: admin 4 - password: CalVxePV1! (case sensitive) 5 - type reboot (hit enter) Done!.. your router will reboot instantly now... for spanish ...more

Welcome back, my greenhorn hackers! Lately, much of the discussion here on Null Byte has revolved around evading detection and not getting caught hacking. Several of you have written me asking for a series on evading detection and forensics, and while I began a series 5 month ...more

Welcome back, my greenhorn hackers! Before we attempt to exploit any target, it is wise to do proper reconnaissance. Without doing reconnaissance, you will likely be wasting your time and energy as well as risking your freedom. In previous guides, I have demonstrated multiple ...more

Samsung's One UI 3.0 skin is built on top of Google's Android 11 open source code base, which means you get all of the standard features, plus some cool bonus stuff from Samsung. However, it's one of those standard AOSP features that you might find most useful if you send a lo ...more

ProtonMail has long been the favorite of journalists and security-conscious professionals, with Edward Snowden the most famous example. But these days, everyone cares about anonymity, so it's no surprise that ProtonMail currently has over 2 million users. And now the service i ...more

Shodan calls itself "the search engine for internet-connected devices." With so many devices connected to the internet featuring varying levels of security, the special capabilities of this search engine mean it can provide a list of devices to test and attack. In this tutoria ...more

Airgeddon is a multi-Bash network auditor capable of Wi-Fi jamming. This capability lets you target and disconnect devices from a wireless network, all without joining it. It runs on Kali, and we'll cover installing, configuring, and using its jamming functionalities on a smal ...more

This is my first contribution in an ongoing series on detailing the best free, open source hacking and penetration tools available. My goal is to show you some of the quality tools that IT security experts are using every day in their jobs as network security and pen-testing p ...more

Some of you might be using Tor to host hidden services, and some of you might not even know what hidden services are. If the latter's you, do not miss this article. Why? Because you can host your websites and services on the I2P darknet. It's safe and secure—it's anonymous. I ...more

In this tutorial I am going to look at what services are running on our Metasploitable machine and setup firewalls. This is more basic scanning of our machine to get an idea of how to get in. Obviously in a real engagement you would want to do research on Google and whatnot to ...more

Very often we have processes in Linux that we want to always run in the background at startup. These would be processes that we need to start at bootup and always be available to us. If we are running a Linux distribution with a GUI (graphical user interface) like Kali or Ubu ...more

Welcome back, my greenhorn hackers! Many new hackers come from a Windows background, but seldom, if ever, use its built-in command-line tools. As a hacker, you will often be forced to control the target system using just Windows commands and no GUI. Although we would love to ...more

Welcome back, my aspiring hackers! Those of you who use Windows in a LAN environment understand that Windows machines can share directories, files, printers, etc. using "shares." This protocol dates back to the 1980s when the then dominant computer firm, IBM, developed a way ...more

If you have never heard of a Virtual Machine (VM) before you might think it to be some new kind of gamers virtual reality system, and that would be incorrect. A virtual machine is a Virtually a real computer that exists inside of your own computer. You can run Kali inside of a ...more

The Fire TV Stick, as well as the Fire TV, may be limited by Amazon's fight on piracy, but after a quick sideloading of Kodi, the floodgates are back open with the freedom to stream just about any video or song you want. This is a great new feature to have, but with the locke ...more

This tutorial is one technique to use the full functionality of your Pi. The small size makes it ideal for inside hacks, but still has the capabilities of a average desktop or computer. I should mention that a tutorial that OTW has done, but I'm gonna take it a step further. O ...more

What appears to be an ordinary MP4 may have been designed by an attacker to compromise your Linux Mint operating system. Opening the file will indeed play the intended video, but it will also silently create a connection to the attacker's system. Understanding the Attack Whi ...more

When your computer first connects to a nework, it sends out a request on the network to lease an IP from the router. The router then leases your computer an unused IP address, which is used as a unique routing address for sending traffic that is meant for you, to you. As every ...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

Welcome back, my budding hackers! One of the keys to being successful as a hacker, pentester, or cyber warrior is the ability to find vulnerabilities or flaws in the target system, which are what we exploit when we hack. We have looked at several ways to do that including var ...more

Welcome back, my greenhorn hackers! Continuing with my Wi-Fi hacking series, this article will focus on creating an invisible rogue access point, which is an access point that's not authorized by the information technology staff and may be a significant security vulnerability ...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

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

Welcome back, my hacker novitiates! Every so often, a MAJOR vulnerability appears that makes millions of systems vulnerable to attack. The most recent, named Shellshock, basically leaves every Mac OS X, Linux, and UNIX system on the planet vulnerable. As nearly two-thirds of ...more

Welcome back, my tenderfoot hackers! This is the third installment of my series on basic Linux skills that every hacker should know. Although some hacking tools are available for Windows and Mac, every real hacker uses Linux—for good reason. Make sure to check out Part 1 and ...more

Welcome back, my hacker apprentices! I recently began a new series on digital forensics to show aspiring hackers what the forensic investigator can do and see while investigating a cyber attack. This is the second installment in that series and will focus upon network forensi ...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

Welcome back, my nascent Hackers! In my last blog, we looked at a passive way to gather information necessary for a hack. The advantage of using passive recon is that it's totally undetectable, meaning that the target never knows you're scouting them and you leave no tracks. ...more

I am very new to Null Byte but I find much of its content and community incredibly interesting. I spent quite a bit of time just chronologically going through the posts and I noticed a common theme in many of the beginner posts. Many people seem to want to know the 'secret' or ...more

Welcome back, my rookie hackers! The more we know about a system or network, the better our chances of owning it and not leaving a trace for investigators to follow. One of the often overlooked sources for information is the Simple Network Management Protocol (SNMP). Many roo ...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

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

Welcome back, my tenderfoot hackers! We have looked at a number of ways that we sniff traffic on the network with such tools as Wireshark, tcpdump, dnsiff, and others, but each of these tools is only capable of pulling packets off the wire. Those packets can be examined for ...more

Your IP (Internet Protocol) address is your unique ID on the internet. It's synonymous with your home address. Anyone in the world can contact your computer through its IP address, and send a retrieve information with it. I'm sure at one time or another you've heard that hack ...more

A flaw in WPS, or WiFi Protected Setup, known about for over a year by TNS, was finally exploited with proof of concept code. Both TNS, the discoverers of the exploit and Stefan at .braindump have created their respective "reaver" and "wpscrack" programs to exploit the WPS vul ...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

Big name individual hackers and hacker groups everywhere in the news are getting caught and thrown in jail. Everytime I see something like this happen, I won't lie, I get a little sad. Then I wonder, how are these guys getting caught? If a group like LulzSec, with all the fame ...more