Set Up Wireless Router

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

Due to weaknesses in the way Wi-Fi works, it's extremely easy to disrupt most Wi-Fi networks using tools that forge deauthentication packets. The ease with which these common tools can jam networks is only matched by how simple they are to detect for anyone listening for them. ...more

Wireless networks. Nowadays, everyone uses 'em, but most don't secure 'em. On average, I can drive up and down any block in my city and find at least one or two open or semi-open networks on any given day. With some changed MAC addresses for good measure, an attacker can use y ...more

When you don't have a steady cellular signal or immediate Wi-Fi access but need to communicate with others around you, you can set up an off-the-grid voice communications network using a Raspberry Pi and an Android app. There are apps such as Bridgefy that will create a mesh ...more

With tools such as Reaver becoming less viable options for pen-testers as ISPs replace vulnerable routers, there become fewer certainties about which tools will work against a particular target. If you don't have time to crack the WPA password or it's unusually strong, it can ...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

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

With a cheap computer, smaller than the Raspberry Pi, an attacker can create a remote hacking device. The device can be attached to a target router without anyone's knowledge and enable the hacker to perform a variety of network-based attacks from anywhere in the world. As th ...more

These days, if you're having friends over, they'll probably ask to log into your Wi-Fi network before asking for a drink. But if you've forgotten your password, it can be quite hard to find, since most devices obscure the characters with asterisks. But it honestly doesn't tak ...more

With an ordinary birthday card, we can introduce a physical device which contains malicious files into someone's home and deceive them into inserting the device into a computer. In my last series, we used a Post-it note to trick a neighbor into visiting a website that we cont ...more

Using just a small sticky note, we can trigger a chain of events that ultimately results in complete access to someone's entire digital and personal life. Imagine arriving home one night after work and there's a Post-it note on your apartment door with the website "your-name- ...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

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

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

Google recently released a new mesh router known as Nest Wifi. The updated and rebranded Google Wifi brought many improvements, such as faster processing power and an increased level of wireless security called WPA3. But while it's not enabled by default, you can still get the ...more

Wouldn't it be nice to just sit at your buddy's house, plug into his network, and see exactly what he's doing? What if it was as easy as that? What makes packet sniffers like Wireshark such potent tools is that a majority of local area networks (LANs) are based on the shared E ...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

While Wi-Fi networks can be set up by smart IT people, that doesn't mean the users of the system are similarly tech-savvy. We'll demonstrate how an evil twin attack can steal Wi-Fi passwords by kicking a user off their trusted network while creating a nearly identical fake one ...more

SSL stands for Secure Socket Layer. It's an encryption standard used on most sites' login pages to avoid their users' passwords being packet sniffed in simple plain-text format. This keeps the users safe by having all of that traffic encrypted over an "https" connection. So, w ...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

Written by JD Coverly of WonderHowTo World, LoadSave:We've spent the last week with Sprint's new phone, the HTC Evo 4G. Specification wise, it's better than Verizon's Incredible and T-Mobile's HD2. Apple has unveiled the new version of their phone this week and thankfully it's ...more

Welcome back, my greenhorn hackers! Now that we're familiar with the technologies, terminology, and the aircrack-ng suite, we can finally start hacking Wi-Fi. Our first task will be to creating an evil twin access point. Many new hackers are anxious to crack Wi-Fi passwords t ...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 tools keep getting more and more accessible to beginners, and the LAZY script is a framework of serious penetration tools that can be explored easily from within it. This powerful and simple tool can be used for everything from installing new add-ons to grabbing a WPA ha ...more

The Watch Dogs video game series came out in 2014, enamoring audiences with the idea of a seemingly magical smartphone that could change traffic signals, hack web cameras, and even remotely control forklifts. This may sound like science fiction, but The Sonic uses a customized ...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

These days, there is hardly a place in America that doesn't have access to the internet. But with web usage fees and ridiculous cell phone provider contracts, sometimes it's still necessary to go a little DIY when it comes to staying connected. If you have a Windows 7 or 8 co ...more

A router is the core of anyone's internet experience, but most people don't spend much time setting up this critical piece of hardware. Old firmware, default passwords, and other configuration issues continue to haunt many organizations. Exploiting the poor, neglected computer ...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

With Virtual Network Computing, you don't need to carry a spare keyboard, mouse, or monitor to use your headless computer's full graphical user interface (GUI). Instead, you can connect remotely to it through any available computer or smartphone. Virtual Network Computing, be ...more

In a previous guide, I demonstrated how to extract images from a security camera over Wi-Fi using Wireshark, provided you know the password. If you don't know the password, you can always get physical with the Hak5 Plunder Bug. Using this small LAN tap, we can intercept traffi ...more

While our smartphones are many things, one of their primary functions is to make calls. Many of us try to avoid ever having to make calls, but there are situations when it's a must, such as wishing your grandma happy Birthday or calling 911 — and in those times you want stella ...more

When joining a new network, computers use the Address Resolution Protocol to discover the MAC address of other devices on the same network. A hacker can take advantage of ARP messages to silently discover the MAC and IP address of network devices or actively scan the network w ...more

Despite the security concerns that have plagued Facebook for years, most people are sticking around and new members keep on joining. This has led Facebook to break records numbers with over 1.94 billion monthly active users, as of March 2017 — and around 1.28 billion daily act ...more

Wish your home wireless network was faster? You can always buy a signal booster, but if you'd rather not spend the money, here are a few tips and tricks to speed up your wireless connection, including how to make a homemade signal booster with things you probably already have ...more

It's always a big deal when the company that makes Android releases a new phone. Google's Pixel series has made a name for itself in three short years behind its camera prowess, but now it's time to start competing with the major players. That said, Google should like how thei ...more

Welcome back, my hacker apprentices! My recent posts here in Null Byte have been very technical in nature, so I thought that I'd have a little fun with this one. Have you ever had an annoying neighbor whose dog barks all night, who has loud parties that keep you awake, or who ...more

Spent the weekend with Sprint's new phone, the HTC Evo G4. Specification wise, it's better than Verizon's Incredible and T-Mobile's HD2. Apple will be announcing the new version of their phone this week. If it's comparable to leaked phone shown over at Gizmodo, then to say 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

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

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

Sharing your Wi-Fi password is like giving an unlimited pass to snoop around your network, allowing direct access even to LAN-connected devices like printers, routers, and security cameras. Most networks allow users to scan and attempt to log in to these connected devices. And ...more

Networking is built largely on trust. Most devices do not verify that another device is what it identifies itself to be, so long as it functions as expected. In the case of a man-in-the-middle attack, we can abuse this trust by impersonating a wireless access point, allowing u ...more

You're out and about, and nothing on your iPhone will load. A glance at the settings shows a saved Wi-Fi network with full bars that your iPhone had connected to automatically, but you're not getting any internet. If you've experienced this, you're not alone, and there's somet ...more

In October of 2017, Mathy Vanhoef released "Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2." This paper demonstrates a way to decrypt traffic on practically any WPA2 network, the most commonly used form of wireless security (seeing as all other forms of Wi-Fi encrypti ...more

While the security behind WEP networks was broken in 2005, modern tools have made cracking them incredibly simple. In densely populated areas, WEP networks can be found in surprising and important places to this day, and they can be cracked in a matter of minutes. We'll show y ...more

Tossing an old Android smartphone with a decent battery into your hacking kit can let you quickly map hundreds of vulnerable networks in your area just by walking or driving by them. The practice of wardriving uses a Wi-Fi network card and GPS receiver to stealthily discover a ...more

Welcome back, my neophyte hackers! Have you ever had a neighbor that you're certain is up to no good? Maybe you've seen him moving packages in and out at all hours of the night? Maybe you've seen people go into his home and never come out? He seems like a creep and sometimes ...more