In our last blog in this series, we discussed FortiGuard Labs’ participation in Google’s second annual Capture The Flag (CTF) competition. In this blogpost, I want to share how I solved another challenge, called“ASCII Art Client”.
ChallengeDescription
For this challenge, participants were given two files: a binary file aart_client and a network capture aart_client_capture.pcap.
File1: aart_client
File2: aart_client_capture.pcap
The goal of the challenge was:
This client displays nice…
Article Link: https://blog.fortinet.com/2017/06/25/google-s-2017-ctf-the-ascii-art-client-challenge