CTF Resources


Stay tuned for more resources from the past and present as we find them. We're still gathering...

History


A brief history of the Capture the Flag contest by DDTek's vulc@n.

Organizers


DDTek: 2009 - Present
Kenshoto: 2005 - 2008
Ghetto Hackers: 2002 - 2004

Resources


Caezar's (Ghetto Hackers) presentation from Black Hat Japan on CTF Games: Slides | Audio

CTF Explained - Youtube Video: http://www.youtube.com/watch?v=9PNBeTtf8pQ

Archive of 2006 to 2009 DEF CON CTF and CTF Quals: http://nopsr.us/

Getting the Most Out of Capture the Flag at DEF CON 17: https://media.defcon.org/dc-17/video/DEFCON 17 Hacking Conference Presentation By Psifertx - Matimum CTF Getting the most out of Capture the Flag - Video and Slides.m4v

This page is devoted to collecting accounts, walk throughs and other resources of Capture the Flag at DEF CON over the years, not only for history's sake but so the uninformed can better grasp the epic journey that teams must face on the road to CTF victory!

If you know of a resource that should be included on this page, feel free to pass it along to neil ]at[ defcon [dot] org.

DEF CON 19 Capture the Flag Write-ups

Plaid Parliament of Pwning write up
http://ppp.cylab.cmu.edu/wordpress/?p=592

Routards Blog
http://www.routards.org/2011/08/defcon-19-ctf-ctf-inside.html http://www.routards.org/2011/08/defcon-19-ctf-bunny.html http://www.routards.org/2011/08/defcon-19-ctf-castle.html http://www.routards.org/2011/08/defcon-19-ctf-sheepster.html http://www.routards.org/2011/08/binjitsu-iii-game-scoring.html

DEF CON 19 Capture the Flag Quals Write-ups

Challenge repository at Shell-storm.org
http://repo.shell-storm.org/CTF/Defcon-19-quals/

Several write-ups at http://daxnitro.com/quals/

Binary 100
http://blog.securestate.com/post/2011/06/06/Defcon-19-CTF-Pre-Quals-Binary-100-Challenge.aspx
http://neobits.org/?p=825 (Espanol)

Forensics 100
http://blizz.se/f100.html
http://www.bryceboe.com/2011/06/05/defcon-19-quals-forensics-100-and-forensics-300-solution/
http://www.phx2600.org/archive/2011/06/05/forensics-100-defcon-ctf-quals/

Forensics 300
http://www.bryceboe.com/2011/06/05/defcon-19-quals-forensics-100-and-forensics-300-solution/
http://blog.securestate.com/post/2011/06/06/DEFCON-19-CTF-Quals-Forensics-300.aspx

Grab Bag 100
http://michele.spagnuolo.me/articles/web-security/defcon-ctf19-quals-grab-bag-100-writeup.html

Grab Bag 200
http://securityblackswan.blogspot.com/2011/06/defcon-19-ctf-qualifiers-gb200.html
http://nonroot.blogspot.com/2011/06/writeup-gb200-ctf-quals-defcon.html (Espanol)

Retro Revisited 300
http://blizz.se/rr300.html
http://files.skyshadows.net/ctf/retro300.txt

Retro Revisited 500
http://dpaste.com/hold/551499/

Potent Pwnables 300
http://securityblackswan.blogspot.com/2011/06/defcon-19-ctf-qualifiers-pp300.html

DEF CON 18 Capture the Flag Quals Wrap-up

Unofficial Results from DEF CON 18 CTF Quals: http://ddtek.biz/qualsDC18scores.txt

Video - pwning binary 300 at DEF CON 18 CTF quals: http://www.screentoaster.com...pwning_binary_300_at_defcon_18_quals

Write-ups for DEFCON 18 CTF Quals, including Trivia 500, Packet Madness 200, Binary L33tness 300, Pwtent Pwnables 200, Forensics 100, Forensics 400, and Forensics 500, and more to come: http://scott.wolchok.org/ctf2010/

PT400 Walkthrough: http://cvk.posterous.com/defcon-18-quals-pt400-walkthrough

Pwtent Pwnables 200 Write Up: http://www.rajatswarup.com/blog/2010/05/25/pwtent-pwnable-200-writeup-ctf-quals-2010/

Packet 100 Write Up: http://blog.stalkr.net/2010/05/defcon-18-ctf-quals-writeup-packet-100.html

Forensics 200 Write Up http://www.bryceboe.com/2010/05/25/defcon-18-quals-forensics-200-write-up/

Crypto 400 Write Up: http://barok.foi.hr/~tkisason/ Team: gn00bz

Defcon ctf quals trivia 500 music remix version volume up plz!! http://carstory.co.kr/1021 from wowhacker

French Language Write Up: http://www.segmentationfault.fr/securite-informatique/resume-dc18-ctf-quals/ (en français)