TufMups Network Forensics Challenge Write-up

Recently I was browsing the DFIR.training CTF section and found a nice network forensics challenge released by Andrew Swartwood in December 2017 called TufMups Undercover Operation. We are given a PCAP to analyse, and the following briefing: You’re an agent with a government law enforcement agency. You’ve been tracking a group of criminal hackers known […]

OtterCTF 2018 – Network Challenges – Otter Leak Write-up

OtterCTF dates from December 2018 and includes reverse engineering, steganography, network traffic, and more traditional forensics challenges. This write-up covers the network forensics portion. I have previously written-up the memory forensics section, and the Birdman’s Data and Look At Me network challenges. The whole CTF is available to play as of the publication of this […]

13Cubed Mini Memory CTF Write-up

At the beginning of March 2020 Richard Davis published a small memory forensics CTF challenge to his 13Cubed Youtube channel, with four questions and the generous prize of a Nintendo Switch Lite for a randomly selected entrant with all four correct flags. Well, I didn’t win, but I did have a lot of fun digging […]

Security Blue Team VIP CTF #1 – “Twin” Write-up

The first CTF created by Security Blue Team was initially for subscribers only, but was made available to the public for a short time at the end of February 2020. While it covered network traffic analysis, password cracking, steganography, forensics, and some general knowledge challenges I didn’t have as much time as I would have […]

Security Blue Team VIP CTF #1 – Sneaky Transmission Write-up

The first CTF created by Security Blue Team was initially for subscribers only, but was made available to the public for a short time at the end of February 2020. While it covered network traffic analysis, password cracking, steganography, forensics, and some general knowledge challenges I didn’t have as much time as I would have […]

Memlabs Memory Forensics Challenges – Lab 1 Write-up

In an effort to improve my forensics skills I have been working through publicly available forensics CTFs when I have some free time. Memlabs is a set of six CTF-style memory forensics challenges released in January 2020 by @_abhiramkumar and Team bi0s. This write-up covers the first memory image which has three flags to uncover. […]