After a long hiatus, we shall once again emerge from the shadowy depths of the internet to build an exploit. This time, we'll be looking at how to defeat a non-executable stack by using the ret2libc technique — a lean, mean, and brilliant way of exploiting a stack overflow vulnerability.
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.
Apple has tools built into iOS to help parents monitor the iPhone habits of their children. However, those same tools can be used by everyday iPhone owners to both hide apps they don't care about, as well as restrict features they don't need or that infringe on privacy. Whether you fit into one category or the other, all iPhone users can benefit from the "Restrictions" feature.
Over the years, the internet has become a dangerous place. As its popularity has increased, it has attracted more hackers looking to make a quick buck. However, as our dependency on the web grows, it becomes increasingly difficult to sever all ties. This means we have to protect one of our weakest points, the password.
Andre was enjoying the carefree life of a 12-year-old with his friends, riding his bike and playing sports, like all kids that age. Schoolwork wasn't hard for him, and his grades showed that.
The Raspberry Pi is a credit card-sized computer that can crack Wi-Fi, clone key cards, break into laptops, and even clone an existing Wi-Fi network to trick users into connecting to the Pi instead. It can jam Wi-Fi for blocks, track cell phones, listen in on police scanners, broadcast an FM radio signal, and apparently even fly a goddamn missile into a helicopter.
Whether scheduling meetings, events, tasks, or even keeping tabs on the weather, a good digital calendar can help you stay on top of your game in ways that a normal calendar could never do. Indeed, there are many calendars to choose from, but Google Calendar is one of the best due to Google's excellent cloud service, feature-rich web-client, and their easy-to-use Android and iOS applications.
The oven is arguably our most essential kitchen appliance (right alongside the fridge, freezer, and yes, even the microwave). But even though we've been using them for a few millennia, many of us know so little about our ovens that our cooking or baking can feel like a roll of the dice sometimes.
My first encounter with a phablet was late last year with the AT&T version of the Samsung Galaxy Note 2, having never touched or even seen its highly-acclaimed and pioneering predecessor. Initially, I was a bit overwhelmed by the enormous screen and taken aback by the dated stylus, which brought up ugly memories of my dad using his ten pound PalmPilot.
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 active users.
Getting hot and steamy can be awesome, as illustrated in the 1997 smash hit Titanic. But having the bathroom mirrors fog up during a nice hot shower can be very annoying. Getting ready in the morning can already be rushed, and wiping down your mirrors after your shower wastes time. Since most people like to shave or clean up after a shower, the need for a clear mirror is prime.
Safari is an excellent app for all your web browsing needs, but Apple gives you the freedom to choose a different default web browser on your iPhone to open links in. If you primarily use a third-party web browser like Chrome or Firefox on your computer or tablet, changing your default iOS web browser allows you to have a synced web browsing experience across all your devices.
The devices in the new iPhone 16 series lineup have one feature no other iPhone models have: a physical Camera Control button. If you use your iPhone to take photos or record videos, the Camera Control speeds up the process and gives you immediate control over adjusting settings and values using intuitive gestures. But what exactly can you do with it?
Apple's Calculator app received a massive redesign, making it so much more than a simple calculator with built-in scientific functions. There's a new Math Notes feature that ties in with the Notes app, it can keep a history of your calculations, and you can even convert over 200 currency and measurement units.
Your iPhone is fairly secure by default, but Apple's Lockdown Mode takes it to Fort Knox levels of protection. If you're a high-value target for spyware, phishing attempts, and other sophisticated cyberattacks, it's an essential feature. But for almost everyone else, it's an extreme move. If you simply want to verify someone's identity when chatting, Contact Key Verification is a more practical option.
Lidar, a technology first used by meteorologists and aerospace engineers and then adopted in self-driving vehicles, has slowly crept into consumer electronics over the last five years. If you have a Pro model iPhone or iPad, there's a good chance it has a lidar sensor, and you're likely using it whether you know it or not.
Are you thinking of switching from an iPhone to an Android phone? Before you make a permanent change from Apple to the other side, it's good to try out the other ecosystem and see if it makes sense for you. If you can't get your hands on an Android phone to try it out, you can simulate Android right on your iPhone. You can even see what a foldable smartphone feels like!
With iOS 17 on your iPhone, you have access to new health- and fitness-related features that can help you improve your mental well-being, reach your fitness goals, take your medication on time, avoid eye strain, and more.
The Camera app on your iPhone includes new features with the iOS 17 update that will help you take better photos and more impressive videos, but there are a lot of cool new things available that you might not see right away.
While the iPhone came before the first Android smartphone, every new iOS version seems to include a wealth of features already existing on Android, and iOS 17 is no exception.
Whether you're staying in your hometown for the weekend or traveling to a nearby or faraway city, live music is always a great option for entertainment — but finding decent music or a good music venue isn't always easy. With new features added to two of its core apps, your iPhone just made it easier to do both.
Is the emoji you're using really the one you think it is? While you can use any emoji that looks like it fits what you have to say, it may have been created for a different purpose. On an iPhone, it's easy to find that purpose by retrieving the actual name of the emoji in Apple's operating system.
Live Activities is Apple's hottest new feature for iPhone, but it's not always straightforward. Sometimes you'll trigger one without realizing it, but it may seem frustratingly impossible to start one when you really want it.
When the topic of Pokémon Go comes up, the typical response is, "Do people still play it?" The answer is a resounding yes!
If you're tired of the default yellow link colors in your Notes app, which I find hard to look at in light mode, there's a way to change them to another color on your iPhone, iPad, and/or Mac running iOS 17, iPadOS 17, and/or macOS Sonoma 14 and earlier.
If you haven't noticed yet, there are a lot of new features hiding in your iPhone's Messages app, and some of them are things users have been requesting for a long time. While iMessage is getting a lot of attention by letting us edit and unsend messages, it's only just the start of a pretty big update.
Apple's Weather app has been around forever, at least for iPhone, and it's gone through many design changes over the years. But we're at a point now where we can actually customize how the Weather app looks and feels in many different ways, some of which you probably haven't even considered.
Some apps look great with Dark Mode, and some do not. So when you have system-wide Dark Mode enabled on your iPhone and are using an app that only looks good in Light Mode, you'd normally have to turn the dark appearance off manually, then switch it back on when you leave. But there's a workaround that can automate the process for you.
If you're like me, you don't have time to sit down and leisurely read an entire article from start to finish — but you still want to be informed throughout the day. Instead of just browsing the daily headlines, there's a free service that will summarize any article you throw at it, giving you a better idea of what's going on without committing to reading an entire article.
There are many things your iPhone or iPad can do, and Apple does an excellent job of documenting everything on its website. But there are some features that won't show up in any Apple manuals or help pages.
Apple doesn't include its Calculator app on the iPad and never did. One almost appeared over 12 years ago but was nothing more than a blown-up version of the iPhone app. Since then, the company still hasn't made an iPad-optimized calculator, and there is no shortage of third-party alternatives to fill the gap. It may happen one day, but for now, these are the best calculator apps for your iPad.
There is no iPad version of Apple's Calculator app (at least, not yet), so you won't find it on your Home Screen, in your App Library, or as a shortcut in the Control Center. But that doesn't mean your iPad doesn't have an official calculator.
Using an iPhone isn't difficult, but it can be if you're using it for the first time, especially if you switched from an Android phone. That's primarily because of the massive difference in the user interface between the two operating systems. And when it comes to taking screenshots, you have more options than just using the hardware buttons.
Gaming on smartphones has grown considerably since the days of The Impossible Game and original Temple Run. Mobile games can be just as in-depth as console and PC video games, but some of those require external controllers for the best gameplay possible. One controller you can use is the PlayStation 5's DualSense wireless controller, and it pairs nicely with most Android devices.'
If you've ever been in a crowded, noisy place, chances are you've dealt with having to talk louder just so the other person can hear, and vice versa. You can alleviate this headache in the latest Pixel update by using the Sound Amplifier app's new conversation-geared tool.
Whether it becomes mandatory or not to show your COVID-19 vaccination card at events, restaurants, bars, hotels, airports, and other public places, it's a good idea to digitize the paper card on your smartphone so that it's always with you. It's also wise to give yourself quick, convenient access to it, so you're not holding up lines while trying to locate the file, and there are a few ways to do that on your iPhone.
Kali Linux is the go-to Linux distribution for penetration testing and ethical hacking. Still, it's not recommended for day-to-day use, such as responding to emails, playing games, or checking Facebook. That's why it's better to run your Kali Linux system from a bootable USB drive.
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 all it takes is seconds of access to your iPhone or wireless account. These secret codes can help uncover them.
You might think that you have your microwave all figured out, but chances are you don't know all of its secrets. Some microwave tricks are truly hidden; obscure information nowhere to be seen in the user manuals. Other tricks are hiding in plain sight, often overlooked or tossed to the curb because a microwave oven is so simple that instructions aren't needed, right?
Bash scripting is a convenient way to automate things on any Linux system, and we're going to use it here to automate certain tasks we use all the time.
