Blog

OverTheWire – Narnia 3

OverTheWire – Narnia 3

Welcome back! Now that we've conquered Level 2 and gained the password for Level 3 it's time to keep pressing. Introduction Same thing from before. Log into the lab server as Narnia3 and look at the source code for narnia3.c. /* This program is free software; you can...

OverTheWire – Narnia 3

OverTheWire – Narnia 2

Introduction In the previous write up the environment variable was set to the exploit payload granting an escalated shell. This challenge is different however, it will be building upon the theme of binary analysis. Getting Started Once logged into the Narnia server as...

OverTheWire – Narnia 3

OverTheWire – Narnia 1

Introduction Narnia a series of reverse engineering puzzles developed by OverTheWire and is an introduction to reverse engineering. Below is the methodology used to solve these puzzles. Login and Execution In the previous level, Narnia 0, we covered the difference...

Hacking our first MIFAR/RFID Tag

Hacking our first MIFAR/RFID Tag

Easy tutorial about hacking our first MIFAR/RFID Tag. RFID is a technology widely used in our lives, from our building access badges, to payment facilities, or even our gates’ remotes. As we’ve seen in the previous post here, some of them are utilizing little to no...

Hacking MIFARE & RFID

Hacking MIFARE & RFID

Hacking MIFARE & RFID As we start this series, you won’t find anything that hasn't already been discussed before. This is not a new topic, but rather my own vision of the many different things that've been done concerning RFID. Other Proof of Concepts (PoCs) I've...

Hello 2019, Goodbye 2018!

Hello 2019, Goodbye 2018!

Before we get into it... Let's start this off the right way.  Thank you readers, community contributors, and supporters! We say this every year and each year it means more to us than you will know.  As the Information Security community continues to grow, we would be...