Machine Traits Search Results

How To: Perform Local Privilege Escalation Using a Linux Kernel Exploit

Getting root is considered the Holy Grail in the world of Linux exploitation. Much like SYSTEM on Windows, the root account provides full administrative access to the operating system. Sometimes even a successful exploit will only give a low-level shell; In that case, a technique called privilege escalation can be used to gain access to more powerful accounts and completely own the system.

How To: Exploit Shellshock on a Web Server Using Metasploit

One of the most critical bugs to come out in the last five years was Shellshock, a vulnerability which allows attackers to execute arbitrary code via the Unix Bash shell remotely. This vulnerability has been around for a while now, but due to the ubiquity of Unix machines connected to the web, Shellshock is still a very real threat, especially for unpatched systems.

How To: Use Command Injection to Pop a Reverse Shell on a Web Server

Command injection is a technique used by hackers to execute system commands on a server, usually via a web application or some kind of GUI. This can happen when an application provides some sort of functionality to the user involving the use of system commands. When the input is not properly sanitized, commands not originally intended to be run are allowed to be executed.

How To: Use UFONet

With the release of the Mirai source code, botnets are back in a big way. In the early days of botnets, zombies (infected hosts) would report to IRC (Internet Relay Chat) channels for CNC (command and control) instructions. Modern botnets have evolved, but they continue to use the same concepts as their predecessors.

How To: OSX VM Image Install Guide

I was on our new #nullbyte IRC channel when someone told me how tedious it is to install an OSX Virtual Machine on Virtual Box (I think it was wawa). We all know Linux rocks (gets acknowledgement from the crowd), but there are morons out there, multiplying at a never before seen rate, who use OSX. We at nullbyte should be prepared for anything and everything. So, in this guide I take you step by step to creating your OSX Yogemite VM.

How To: Writing 64-Bit Shellcode - Part 2 (Removing Null-Bytes)

Welcome to the sequel to the latest post on writing 64 bit shellcode! This tutorial will assume that you are aware of everything mentioned in the last one, as I will try to make this tutorial void of formalities and straight to the point! If you have not read the last one, I suggest doing so unless you are familiar with basic assembly programming and system calls. This is by no means rocket science, so therefore I will simply repeat my TL;DR from last time before we get started, so that the a...

How To: Make a latte with US barista champ Heather Perry

This is a video showing how to make a perfect latte at home. First the coffee is ground and then she pours some milk. The presenter says that 1/3 of the daily requirement of milk can be found in a latte. Once the coffee is ground it is brewed. She uses a lot of coffee so that it is richer. While the espresso is being made, the milk is steamed. The espresso should drip out like honey. The steamed milk is then poured over the coffee.

How To: Machine knit a vinyl hem bond

Watch this instructional knitting video to bond a vinyl hem with a knitting machine. Hang an elastic or ravel cord and push it against the bed. Fold the hem over the ravel cord. If you knit with a knitting machine, this is an essential trick for getting started with larger projects.

How To: Decrease width using a knitting machine

This instructional knitting video provides tips for making interesting patterns using a knitting machine. This is a demonstration of how to use a knitting machine to decrease the size of your knit piece. Use a single prong tool to unhook and tie off a single stitch on either side of the piece before completing each row to gradually decrease the width of the knit work. You may want to reference written instructions in addition to watching this knitting video.

How To: Weave a cast on for a knitting machine

This instructional knitting video provides tips for making interesting patterns using a knitting machine. This is a demonstration of how to use a knitting machine to weave a cast on. This is a cast on that many people find difficulty with. You may want to reference written instructions in addition to watching this knitting video.

How To: Install memory in a 2009 Mac Pro

MacOSG demonstrates how to install memory in a 2009 Mac Pro. When performing this upgrade, be sure to take precautions for static by discharging static electricity before beginning. Shut down, unplug and place the Mac Pro on a static-free surface. To access the memory, you need to open the side access door by lifting the latch located on the rear of the Mac until it locks in the open position. You can then the door forward and then remove from the body. The memory is attached to the processor...

How To: Draw a part in CAD and cut it out with the CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: MIG weld two pieces of sheet metal together

This Mig Welding Video Demo shows how simple and easy it is to use a MIG welding machine. Mig Welding Machines are use throughout the world. They are the suited for many welding applications. This video demonstration demonstrates Mig welding by welding two pieces of sheet metal together. Watch this video welding tutorial and learn how to fuse two pieces of sheet metal together with a Mig welder.

How To: Use the USB Rubber Ducky to Disable Antivirus Software & Install Ransomware

Ransomware is software that encrypts a victim's entire hard drive, blocking access to their files unless they pay a ransom to the attacker to get the decryption key. In this tutorial, you'll learn how easy it is to use the USB Rubber Ducky, which is disguised as an ordinary flash drive, to deploy ransomware on a victim's computer within seconds. With an attack that only takes a moment, you'll need to know how to defend yourself.