Ph0wn CTF

A Capture The Flag for Smart Devices
November 24-25, 2023

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Ph0wn 2023

Ph0wn 2023 took place on November 24-25 2023. There was 182 participants in 46 teams.
41 teams scored at least once. Teams coming from mostly from France (Provence, Paris, Lyon, Grenoble, Rennes, Toulouse...), but also 3 teams from Switzerland. There were 35% of students, 65% of professionals.
Download Ph0wn eZine Issue #01!

Sponsors

The event was sponsored by:

Platinum Sponsors: Fortinet, RingZer0
Gold Sponsors: EchoStar Mobile, BSecure, SERMA, Penthertz
Bronze Sponsors: Hardwear.io, Hydrabus, Hackable Magazine, PiRogue Tool Suite
Venue & organization: Fortinet, Telecom Paris, Université Cote d'Azur, EURECOM, GreHack, Norton Research Group.

Organizers

The core organization team was made of (alphabetic order):
Axelle Apvrille (Fortinet), Ludovic Apvrille (Telecom Paris), Sandro Barbero (Fortinet), Romain Cayre (EURECOM), Savino Dambra (Norton Research Group), Fabien Ferrero (Université de Nice), Alain Forcioli (Fortinet), Romain Malmain (EURECOM), Philippe Paget, Bastien Sultan (Telecom Paris).

Thanks to Nils Amiet, Alexey Andriyashin, Tom and Sébastien Andrivet, Maximilien Bouchez, Fabrice Francès, Pascal Junod, Nicolas Oberli, Jeremy Parente, Maria Pavlova, Sylvain Pelissier, Mickael Peries, Paul Rascagnères, Philippe Rischebe for their help.

Prizes

The winners of this CTF was duks team! Congratulations to them, congratulations to all of you whatever your score.


1st: Duks
2nd: SouduRicard
3rd: sun on the screen

The top 3 teams were entitled to select prizes from the following:

3x LEGO boxes
2x UGEARS Mars Rover
3x M5GO kit
3x Raspberry Pi 4
1x PiRogue (based on Raspberry Pi 4)
3x Chronicles of Crime board game



The Ph0wn Trophy is a unique 3D printed trophy designed by R00tBSD

Challenges & Write Ups

A few statistics:
23 challenges
1 challenge involved a real and operational satellite
16 challenges involved specific equipment (antenna, 3D printing, Hydrabus, smartwatches, board games...)
6 Rookie challenges
Easiest challenges: Pico PCB, Satellite 1, Arkanoid, HydraJet 1
Most difficult challenges: HydraJet 2, Heavy Duty, Unbolted 2, PiRogue


   
   

Write-ups are available on Ph0wn's GitHub repository or download Ph0wn eZine Issue #01!

Badge Contest

The badges of this edition were beautiful and interactive. The "ph0wn" badge changed when you touched it. The Game & Watch badge implemented a full Parachute game. Another one was simulating the Flipper Zero. The winner badge implemented an adventure game.
Congratulations to LambdaHack, he got the most votes.

Badge Contest Winner

Free Workshops

Ph0wn 2023 hosted 4 free workshops during the afternoon. All workshops were full.

Software reverse engineering for beginners with Ghidra applied to a drone's firmware (ARM architecture) - Maximilien Bouchez
3D Printing - Sebastien et Tom Andrivet
Hands-on hardware security key - Sylvain Pelissier and Nils Amiet
Hacking d'architectures retro - Fabrice Francès

Pictures of the event

There were teams from ARM, BSecure, BUT Reseaux et Telecom, Ecole 2600, EDF, Epitech, EURECOM, Fortinet, GreHack, IRSN, Kudelski, Nagra, Naval Group, NXP, SERMA, Telecom Paris, Universite de Nice... and more!