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Hack Like a Pro: How to Build Your Own Exploits, Part 3 (Fuzzing with Spike to Find Overflows)

Welcome back, my hacker novitiates! In the previous two posts in this series, we looked at the basics of buffer overflows. In this post, we will look at one technique for finding buffer overflows. We will try to send random, oversized, and invalid data at a variable to see whether we can make it crash or overflow. This process is known as fuzzing. It is often the first step to developing an exploit, as we need to find some variable that is susceptible to overflowing.

How To: What Do All Those 5G Status Icons Mean on Your iPhone 12, 12 Mini, 12 Pro, or 12 Pro Max?

If you upgrade to an iPhone 12, 12 mini, 12 Pro, or 12 Pro Max, you can take advantage of super-fast 5G speeds, but which 5G network are you actually getting and is it better than the others? Depending on your carrier, you may see 5G, 5G+, 5G UW, or 5G E in the status bar next to the signal strength, and there's a pretty big difference between them.

News: How Does the Samsung Galaxy S22 Ultra's Battery Life Compare to the iPhone 13 Pro Max's?

With the new Samsung Galaxy S22 Ultra release, the first thing you may be wondering is how its battery life compares to the iPhone 13 Pro Max, Apple's biggest model from 2021. We've rounded up some of the most popular Galaxy S22 Ultra and iPhone 13 Pro Max battery tests from across the internet to bring you answers.

How To: Everything You Should Know About Rolling Shutter on Your Phone's Camera

Smartphone videos get better and better each year. Seven or eight years ago, who would have thought iPhone and Android phones could support 4K video recording. Some phones can even shoot slow-motion at 960 fps. But no matter the resolution or frame rate, a phone's rolling shutter can make quick movements in front of the camera appear wobbly, distorted, or with artifacts.

Vacationing for the 'Gram: How Instagram Is Changing Hotels & Restaurants

I noticed the neon yellow sign at the new location of Pho Bar in Chinatown right away. The sweeping cursive yellow letters spell out "Crazy Rich Broth"; the same phrase printed on the back of servers' shirts. It's the kind of minimalist but colorful design feature that is especially popular on Instagram at the moment — shots of patrons in front of a glowing sign.

News: Meet Samsung's Crazy, Innovative & Flawed Galaxy Fold

After years of rumors and waiting, Samsung's first foldable smartphone is finally a reality. The phone itself is a bit wild, but with Samsung going so far out of their comfort zone with this one, there were some bumps in the road that caused a delayed release. The launch has been pushed back yet again, but when it does hit stores, it could end up being one of the most influential devices in years.

October 30: The OnePlus 6T — What's Rumored & What We're Hoping For

OnePlus will be releasing a new phone in the second half of 2018, specifically, an upgrade to their T-series. Over the past two years, #T versions have come out about five months after their predecessors and have included small updates that fix any problems from the previous OnePlus device. While we do know a bit about OnePlus 6T, what it could be is much more exciting.

How To: Install & Lock Down Kali Linux for Safe Desktop Use

Kali Linux is established as the go-to operating system for penetration testing, but in its default configuration, it's less than ideal for regular desktop use. While in many scenarios, a live boot or virtual environment can resolve these issues, in some situations, a full installation is better. A few simple changes can be made to a Kali Linux desktop to make it safer to use in this environment.

Exploit Development: How to Learn Binary Exploitation with Protostar

Being able to write your own hacking tools is what separates the script kiddies from the legendary hackers. While this can take many forms, one of the most coveted skills in hacking is the ability to dig through the binary files of a program and identify vulnerabilities at the lowest level. This is referred to as binary exploitation, and today we're going to check out a tool known as Protostar.

How To: The Ultimate Guide to Using the Duo Camera on Your HTC One M8

The camera situation on the all new HTC One is a little daunting. The M8 has not one, not two, but three camera lenses built in. First, there's the 5 megapixel selfie machine up front, then around back, there's the new Duo Camera with a refined UltraPixel sensor. HTC has done things differently here, and the UltraPixels and dual lenses means that the M8 doesn't necessarily take pictures like you'd expect—and that's not a bad thing. With a little guidance and some easy tricks, you can use all ...

How To: Restring & Tune an Electric Guitar

Hello again, faithful readers. For today's lesson, we will be learning the correct way to restring and tune an electric guitar. I almost wasn't going to post this because it is so basic. But, as with many basic tasks, there are a lot of people who know how to do it, but can't really do it right. If you are a new guitarist, this is an essential piece of maintenance work, because guitar shops usually charge way too much for this task. Of course, I'm kinda cheap, so even 5 bucks is too much for ...

How To: Replace the Goals Function in Google Calendar After Google Kills It for Good

If you use Goals in Google Calendar, you've probably already received the notification that Google, in typical executioner fashion, has marked the feature for death. As of November 2022, you can't create new goals, and your current goals won't repeat anymore. Google suggests switching to repeating events or tasks, but there's a better option to use on your Android and iOS device.

How To: Disable Vanish Mode in Facebook Messenger & Instagram

Facebook recently implemented "Vanish Mode" into Messenger and Instagram, which lets you have an end-to-end encrypted conversation in a chat that will disappear as soon as you leave the thread. As cool as it sounds, it's easy to enable accidentally, and a friend could force you into using it. In some cases, that may not be ideal since everything you or the recipient said will disappear.

How To: Lock Down Your DNS with a Pi-Hole to Avoid Trackers, Phishing Sites & More

The Pi-hole project is a popular DNS-level ad blocker, but it can be much more than that. Its DNS-level filtering can also be used as a firewall of sorts to prevent malicious websites from resolving, as well as to keep privacy-killing trackers such as Google Analytics from ever loading in the browser. Let's take a look at setting a Pi-hole up and customizing a blacklist to suit your needs.

How To: 17 Things You Didn't Know Your iPhone's Home Button Could Do

The Home button on an iPhone does a lot. That's not necessarily news for anyone who's ever owned an iPhone with a Home button, but what you might not know is that it's capable of so much beyond the standard everyday functions. So if you have an iPhone 7, 8, or the new SE model running iOS 13 or later, keep reading to learn about 17 secret Home button tricks you're missing out on.

How To: The Best Phones for Watching Movies & TV Shows — Under $500

You might think you need to buy a thousand dollar phone to get a great experience while streaming movies and TV shows from services like Netflix, Hulu, and YouTube, but that's just not true anymore. While phone prices keep rising and the midrange segment now ranges from $300–$500, there are still cost-effective options that come with top-notch displays and media features.

How To: The 5 Best Calendar Apps to Keep Track of Your Schedule on Your iPhone

The calendar app is one of the unsung heroes found within your iPhone. It's the ultimate personal assistant that you've come to rely on to keep track of your schedule and ensure you never miss a class or meeting, all while reminding you of upcoming birthdays and deadlines to help maintain good relationships with loved ones and colleagues.