The IR challenges were a series of challenges based around a Windows virtual machine that had downloaded some malware and had encrypted some files. It is our task to discover everything we can about this malware and decrypt the files. Let’s get started!
NahamCon2023 time! Here are write-ups for the warmups, sans the flags you needed to grab from the discord channels. Enjoy!
A few weeks ago I suffered a failure of my Cisco 3750x core switch. This was a rather eye opening experience for me as my entire house moves through this switch, one way or another. Thankfully I was able to partially restore services but due to the advanced / modern networking I use (the main issue being the use of 10Gb fiber) my options were either to reconfigure all of my servers or tough it out until I could get a replacement switch. I spent a lot of this downtime planning on what I could do to improve this predicament and how I could handle this better if it happened again in the future.
Grab your favorite beverage and get comfortable because we are going on a journey. On this journey I will show you how I overcomplicated my homelab/pentesting setup to segregate it from my normal network while still retaining the functionality I wanted.