CTF
GreHack CTF 2024
#2 with @everyone
GreHack CTF 2019
#1 with GreHax0r
GreHack 2019 AES WB Writeup
GreHack CTF 2018
#2 with donjon-qsec
Writeups
Hack.lu 2018 CTF by Fluxfingers
#34 (#3 local) with pollypocket
GreHack CTF 2017
#1 with qsec
Hack.lu 2017 CTF by Fluxfingers
#17 (#3 local) with pollypocket
Writeups
GreHack CTF 2016
#1 with qsec
Hack.lu 2016 CTF by Fluxfingers
#13 (#4 local) with pollypocket
Y-not-CTF at CybSec15
#2 with team1
Hack.lu 2015 CTF by Fluxfingers
#10 (#3 local) with pollypocket
Writeups
Brucon 2015 MWR challenges
There were three challenges proposed by MWR during Brucon 2015.
pollypocket won two of them, cf tweets here and there
CHES2015 CTF
Philippe Teuwen
#2 under pseudo yobibe
And BTW first to solve them all after 5.5 days
Writeups
Nuit du Hack CTF Finals 2015 by Hackerzvoice
#3 with pollypocket
Team: Vincent Hutsebaut, Marc Masure, Charles Hubain, Jeremie Boutoille, Philippe Teuwen
(#3 of the 10 CTF finalists, #4 including the public wargame participants)
SSTIC Challenge 2015
Philippe Teuwen write-up (pdf) (FR)
#2 classement qualité
#9 classement vitesse
Nuit du Hack CTF Quals 2015 by Hackerzvoice
#1 with pollypocket
Team: Vincent Hutsebaut, Philippe Teuwen, Charles Hubain, Marc Masure, Jeremie Boutoille, Matthieu Kaczmarek
Writeups
Codegate CTF preliminary 2015
#22 with pollypocket
Hack.lu 2014 CTF by Fluxfingers
#6 (#1 local) with pollypocket
Brucon 2014 CTF by Facebook
#2 (local) with pollypocket
Team: Vincent Hutsebaut, Marc Masure, Charles Hubain, Philippe Teuwen
#1 in Base points and in Bonus points ;-)
Nuit du Hack CTF Finals 2014 by Hackerzvoice
#6 with pollypocket
Team: Vincent Hutsebaut, Matthieu Kaczmarek, Hugo Caron, Philippe Teuwen, Charles Hubain
Writeups
Hacknowledge-Contest 2014-2015 selections for Belgium
#1 with pollypocket
Team: Vincent Hutsebaut, Marc Masure, Hugo Caron, Philippe Teuwen, Charles Hubain, Jeremie Boutoille
Nuit du Hack CTF Quals 2014 by Hackerzvoice
#2 with pollypocket
Team: Vincent Hutsebaut, Matthieu Kaczmarek, Hugo Caron, Philippe Teuwen, Charles Hubain, Jeremie Boutoille
Writeups
Brucon 2013 CTF by Facebook
#1 (local) with pollypocket
Team: Vincent Hutsebaut, Bert Veldeman, Guy Brismée, Philippe Teuwen
Hack.lu 2013 CTF by Fluxfingers
#5 (#2 local) with pollypocket
Team: Vincent Hutsebaut, Matthieu Kaczmarek, Hugo Caron, Charles Hubain, Philippe Teuwen
Troopers 2013 CTF by PacketWars
#1 (local) with Living Dead anti-Defamation League
Hack.lu 2012 CTF by Fluxfingers
#15 (#2 local) with woyouyizhixiaomaol
Team: Cédric Bonhomme, William Robinet, Guy Brismée, Raphaël Vinot, Philippe Teuwen, Christophe Kyvrakidis
T-Shirt challenge
I designed the Hack.lu 2012 T-Shirt backside, and a more visual version for online teams, see writeup
Writeups
Brucon 2012 CTF by The Hex Factor
#3(?) (local) with xflame_doegox(?)
Team: Guy Brismée, Philippe Teuwen
I don't remember exactly but we got a prize ;-)
BeNeLux OWASP Day 2012 CTF by Martin Knobloch, OWASP CTF Project
#2 (local) individual
Hack.lu 2011 CTF by Fluxfingers
#2 at pre-con crypto challenge
#21 (#5 local) with letmein
Brucon 2011 CTF by The Hex Factor
Member of The Hex Factor
That year I was part of The Hex Factor team to design "physical" challenges:
RFID, visual crypto & QR, Knock knock box
Hack.lu 2010 CTF by Fluxfingers
#2 at pre-con crypto challenge
#12 (#3 local) with xflame_doegox
Team: Guy Brismée, Philippe Teuwen
Brucon 2010 CTF by The Hex Factor
#1 at pre-con stegano challenge
#2 (local) with xflame_doegox
Team: Guy Brismée, Philippe Teuwen, ...