Defcon 22 Quals Writeupとかをまとめる予定地

2014年5月17日より開始されたDefcon CTF 22の予選(オンラインCTF)のWriteUpとかをまとめます。

予選結果

決勝は他大会上位入賞チームを除く、上位12チームが決勝に出場。

• 大会結果速報(CSV)

以下、速報値から上位約30位までのチーム(赤文字は決勝出場確定チーム)

Rank	team_name	score	defcon CTF Qualified	Prequalified
1	Gallopsled	49	1	-
2	Dragon Sector	42	-	Yes(Ghost In The Shellcode)
3	9447	39	2	-
3	Reckless Abandon	39	3	-
5	tomcr00se	37	4	-
6	Routards	35	5	-
7	More Smoked Leet Chicken	34	-	Yes(RuCTFe)
7	raon_ASRT	34	6	-
9	KAIST GoN	32	7	-
10	shellphish	29	8	-
10	CodeRed	29	9	-
12	HITCON	28	10	-
13	blue-lotus	27	(11)	-
13	HackingForChiMac	27	(11)	-
13	Rainbow Pixies of Delight	27	(11)	-
13	(Mostly) Men in Black Hats	27	(11)	-
13	w3stormz	27	(11)	-
18	Samurai	26	-	-
18	Robot Mafia	26	-	-
20	int3pids	24	-	-
20	Stratum Auhuur	24	-	Yes(Boston Key Party)
20	ReallyBalalaika	24	-	-
23	OMGACM	23	-	-
24	SpamAndHex	22	-	-
25	0x8F	21	-	-
25	Acme Pharm	21	-	-
27	Marauders	20	-	-
27	TRAPS	20	-	-
29	sutegoma2	19	-	-
29	0ops	19	-	-
29	EpsilonDelta	19	-	-
29	[SEWorks]penthackon	19	-	Yes(Olympic CTF)
33	gn00bz	17	-	-
33	Alternatives	17	-	-
33	katagaitai	17	-	-
33	bamboo	17	-	-
33	PPP	17	-	Yes(Defcon 21 CTF)
33	☠☠☠☠	17	-	-
33	H4x0rPsch0rr	17	-	-
33	cisspgroupies	17	-	-
33	SIGINT	17	-	-

• 1問以上解いたチームは402チーム。
• 登録チーム数は1061チーム。*1
• 2014年5月19日時点で以下の大会からの決勝出場枠がTBD(未確定)扱いとなっている。
  • Codegate Finals
  • PHDays
  • SecuInside

WriteUp

Baby's First

• 3dttt
  • http://pastebin.com/iM6wCRqa
  • DEFCON 22 CTF Qualifiers Writeup - SpiderLabs Anterior
  • [CTF]Defcon-CTF-Quals-2014-Routarded/Hackertool/3dttt-Writeup | Sword Soul
  • https://github.com/isislab/CTF-Solutions/tree/master/DEFCONQUALS2014/3dttt
• hackertool
  • DEFCON 22 CTF Qualifiers Writeup - SpiderLabs Anterior
  • [CTF]Defcon-CTF-Quals-2014-Routarded/Hackertool/3dttt-Writeup | Sword Soul
  • hackertool | UCF Collegiate Cyber Defense Club
• heap
  • SHALL WE PLAY A GAME? :: DEFCON 2014 babyfirst heap writeup
  • DEFCON 2014 writeup - Epsilon-Delta's blog
  • DEF CON 22 CTF Qualifiers heap Writeup(@segfoのCTF参戦.log)
  • Defcon CTF Quals 2014 write-up Exploitation 1 ("baby-first heap") (AHack.Ru)
• routarded
  • DEFCON Quals 2014 | UCF Collegiate Cyber Defense Club
  • DEFCON 22 CTF Qualifiers Writeup - SpiderLabs Anterior
  • [CTF]Defcon-CTF-Quals-2014-Routarded/Hackertool/3dttt-Writeup | Sword Soul
  • https://github.com/ctfs/write-ups/tree/master/def-con-ctf-qualifier-2014/routarded

Duchess

• zombies
  • DEFCON 2014 Quals : Zombies(SIGINT)
  • https://gist.github.com/hiromu/6d1bf682dcaf2eb871e7

Gynophage

• polyglot
  • SHALL WE PLAY A GAME? :: DEFCON 2014 polyglot writeup
  • DEFCON 2014 writeup - Epsilon-Delta's blog
  • DEFCON CTF 2014 Quals Writeups Gynophage 4 - Polyglot(SIGINT)
• sftp
  • SHALL WE PLAY A GAME? :: DEFCON 2014 sftp writeup
  • #9191375 - Pastie
  • DEFCON 2014 writeup - Epsilon-Delta's blog
  • sftp writeup – defcon quals ctf 2014
• shitsco
  • https://github.com/iagox86/defcon-ctf-2014/tree/master/shitsco
  • DEFCON Capture the Flag Qualification Challenge #1 | Endgame.
  • Unlearning Security: Write-Up Quals Defcon 2014 - Shitsco
  • DEFCON 2014 writeup - Epsilon-Delta's blog

HJ

• byhd
  • https://github.com/iagox86/defcon-ctf-2014/tree/master/byhd
  • SHALL WE PLAY A GAME? :: DEFCON 2014 byhd writeup
  • DEFCON 2014 writeup - Epsilon-Delta's blog
  • tunz :: [Defcon 2014] HJ(2) byhd write up]
  • Defcon CTF Quals 2014 – byhd | zepvn
• nonameyet
  • Orange: Defcon CTF Quals 2014 - Nonameyet write up
• sick

Jymbolia

• 100lines
  • Defcon CTF Quals 2014 – 100lines(zepvn)
  • DEFCON 2014 writeup - Epsilon-Delta's blog
  • tunz :: [Defcon 2014] 100 lines exploit]
  • DEF CON Quals 2014, 100lines writeup(balidani)
• rebaby

Lightning

• dosfun4u
  • https://github.com/ctfs/write-ups/tree/master/def-con-ctf-qualifier-2014/dosfun4u(not yet)
• dosfun4u round 2

Selir

• bbgp
  • https://privatepaste.com/6afd54f16c
  • SHALL WE PLAY A GAME? :: DEFCON 2014 bbgp writeup
• turdedo
  • https://github.com/maraud3rs/writeups/tree/master/dc22quals_turdedo

Sirgoon

• blackbox
• ????

Vito Genovese

• choripan
• fritas
  • https://gist.github.com/IdolfHatler/d952bf797a4d71cddbba
• medianoche

問題データ

• DEFCON CTF Qualifiers 2014 by Legitimate Business Syndicate

過去のdefcon CTF Writeup

• 2013年 Defcon 21 Quals Writeupとかをまとめる予定地
• 2012年 Defcon 20 Quals Writeupとかをまとめてみた。

*1:https://twitter.com/LegitBS_CTF/status/468184147933290497