John Pierce

This one stumped me. Overall, it was a great competition for me as I got to learn a whole lot of new things. I had never worked on a Mac, other than as a user, had never used Hopper, lldb or any of the other tools for reversing on a Mac, and haven't got any experience in the Objective C/Swift framework.

PANW CTF Labyrenth Unix Track Challenge 6

Categories: Reversing, Computer general

First bit::

4 rounds, lots of debugging

Videos

iptables Lesson 2

Categories: Network security, Videos

First bit::

Explains the workings of a DMZ, walks through setting up and testing of a DMZ in a virtual machine lab environment

SSH Tunneling

Categories: Network security, Videos

First bit::

In this video I go through the process of setting up an SSH tunnel to hide an IP and also setting

Buffer overflow demonstration

Categories: Exploits, Videos

First bit::

Useful for someone who is interested in what a buffer overflow is. Does not go into the details of development, just explains generally and demonstrates the use of one.

Buffer Overflow of SLMail 5.5.0.4433 - full development

Categories: Exploits, Videos

First bit::

a demonstration of a vulnerability discovered and published by Muts in 2004, exploited on a Windows XP SP3 machine using Python, Immunity Debugger, and Metasploit.

iptables Lesson 1

Categories: Network security, Videos

First bit::

In this video I demo some simple iptables rules and show them how to perform network traffic analysis to test them out.