CTF Competition

The T2 2017 conference took place on October 26 and 27, 2017 at the Radisson Blu seaside hotel in Helsinki, Finland. As in every edition, a CTF (Capture The Flag) competition is organized prior the conference, with the winner receiving a free ticket. This year, a private bug bounty was held by LähiTapiola, a well-known insurance company in Finland, under the supervision of T2 organizers through the HackerOne platform. As there were zero submissions, it was decided to reward Harri Kuosmanen, who was the LähiTapiola HackDay CTF winner. The... [Read More]
by RSS Francois Ropert    |  Nov 06, 2017  |  Filed in: Security Research
    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... [Read More]
by RSS Honggang Ren  |  Jun 25, 2017  |  Filed in: Security Research