Null Byte How-Tos

How To: Security-Oriented C Tutorial 0x08 - A Trip Down Memory Lane

Before I continue with a topic on strings, we first require some fundamental understanding of how memory works, i.e. what it is, how data looks in memory, etc. as this is crucial when we are analyzing vulnerabilities and exploitation. I highly suggest that your mind is clear and focused when reading the following article because it may prove to be confusing. Also, if you do not understand something, please verify all of your doubts, otherwise you may not completely understand when we touch on...

How To: Web Development 01 - Setting Everything Up

Hello fellow Null-Byters! This is my first post so please be respectful and constructed criticism is much appreciated. I am no professional, however I believe that it is important to understand technologies before you go poking at them and trying to break them, I therefore decided to make this series. In this "tutorial" we are going to setup a web server with php and mysql. I will be doing this with a raspberry pi because a pi is quite versatile.

How To: Protect Yourself from Someone Trying to Hack into Your Mac

If you read my previous post, "How to Hack into a Mac Without the Password", you know that it is very easy to break into someone's Mac if you have physical access to the computer. Now the question that lies is, how do we protect ourselves from this happening to us? Well, here is a way that guarantees that no one will be able to change your password through OS X Recovery.

Botnets and RATs : Precautionary Measures and Detection (Part 2)

Hola my fellow hackers! I promised you the tutorials on setting up RAT's and Botnets, but before jumping into those, i want you to know about the precautionary measures and detection of RATs which might be on the system without your prior knowledge. Of course the Anti-virus do most of the job but there are some RATs which slips past the Anti-viruses (This is where Hacker's skill come into play).

How To: Security-Oriented C Tutorial 0x01 - Hello, World!

Welcome back, reader! In this tutorial, we will be covering our first program! So let's get to it. We all know the unspoken tradition of the first program when learning a language and of course, here we will respect and complete it. Fire up your favorite text editor (be it vim, emacs, gedit, it's all the same to me, no h8) and try to keep up.

How To: Hack into a Mac Without the Password

Hello, my fellow hackers. My name is cl0ck. I am a senior majoring in Computer Engineering with an emphasis is Security. I have been lurking the site for a while now reading and learning from the great minds that reside here. I, too, have some knowledge that I would like to share with all of you. This post actually comes from a personal problem I faced and had to find a solution for. Without further ado, here it is:

How To: Fake Captive Portal with an Android Phone

Have you ever used an open wifi, which after you connect displays a website to enter your credentials to get internet? That website is called captive portal and widely used in airports, hotels, universities etc. Have you ever wondered what would happen if someone would set up an open wifi with the same name displaying a very similar web page asking for credentials? Usually if there are multiple wifi networks with the same name and encryption, devices only display the one with the highest sign...

How To: Web Development for Hackers 1.1: HTML,CSS,JS

hello hackers,newbies and followers of this great community, after some research here in our community, I noticed that there is not even one tutorial that teach Web Development. We have a lot of tutorials on how to hack web site but many do not know exactly how a web site is composed, then I decided, meeting the community's needs, begin to teach people how to develop web sites.

How To: Embed a Metasploit Payload in an Original .Apk File

UPDATE: This post is outdated, the latest version with the correct links and updated instructions can be found UPDATE: This post is outdated, the latest version with the correct links and updated instructions can be found at my blog, here - at my blog, here - https://techkernel.org/2015/12/11/embed-metasploit-payload-in-apk-easily/

How To: Displaying Text from a File C++

This is a little c++ program that I thought would be handy in the future. Although, I apologize in advance for any errors in the code since I haven't had the chance to compile it yet. Anyway, please if you are a script kiddie please do me a favor and at least read this article fully. :)

How To: Antisocial Engine

A.E Hi again this is my second post on nullbyte. The first one was on how to make a remote screenshot captor, now I will give you a presentation for a project of mine(I have named It Antisocial Engine) that It is not something extraordinary but will help many guys.

How To: Learn How Elliot from Mr. Robot Hacked into His Therapist's New Boyfriend's Email & Bank Accounts (Using Metasploit)

Social engineering is a pretty important item in a hacker's toolkit. In Mr robot there was a time, we saw Elliot using social engineering to gain access to his therapist's boyfriend's email and bank accounts by calling him and pretending to be someone from his bank, then Elliot asked him for some info that were really useful to gain access to his account, the target believed to be someone from the bank and gave him the info Elliot was looking for. But How Is It in the Real World?