/cddc_qualifiers-2019-writeups

Writeups for CDDC Qualifiers CTF 2019

Primary LanguageHTMLGNU Affero General Public License v3.0AGPL-3.0

CDDC 2019 Qualifiers Writeups

This is a collection of my writeups for challenges in CDDC 2019 Qualifiers

Details

Playtime
- Qualifiers: 31 May 2019 (Fri) 10:00 to 2 June 2019 (Sun) 10:00 (48 hours)
- Servers will stay open until 2 June 2019 23:59 for players to prepare documentation for challenge write-ups.

Score

My team (B55) scored 3rd place in the Poly/Uni category

Solved

Challenge Category Remarks
[R-0] Everyone <3 Fan Mail OSINT_RED x
[R-1] Travel to the Past OSINT_RED no writeup
[R-2] I'm Sho Done With This OSINT_RED no writeup
[R-3-1] Have They Been Pwned? OSINT_RED
[R-3-2] cHash Me Outside How 'Bout Dat OSINT_RED
[R-4-1-1] Who Uses Teams Anyway? OSINT_RED no writeup
[R-4-1-2] Don't Be A Git OSINT_RED
[B-0] What's in, Doc? OSINT_BLUE
[B-1] Fight the Binary Monster OSINT_BLUE
[B-2] I <3000 PHISH OSINT_BLUE
[B-3-1] Onion Sauce OSINT_BLUE
[B-3-2] When Your ZIL Turns to NIL :'( OSINT_BLUE
[B-4-1] Where I Get All My GIFs From OSINT_BLUE no writeup
[B-4-2] Hide N Seek OSINT_BLUE no writeup
[B-4-3] Caught by Summon Auntie OSINT_BLUE x
Not FairPrice, but FairPlay Crypto
FunShop Crypto
The Terrible Photographer Strikes Forensics x
UnZip Forensics
Slackers, Unite! Misc
Polyglot Misc
Very Serious Challenge Misc
Do You Fancy Numbers? Misc x
Super Strong TeleVision Misc x
Dot Misc x
TxT Network
Count 1: Baby Programming
Count 2: Wildness Programming
Count 4: Madness - Filter Programming
Lemonade RE
LSCVM: Immaculate Invasion RE
\'_'/ Web
EncryptSvc Pwn

Unsolved

Challenge Category Remarks
Do Not Accept Your Fate Misc
What Time Is It? Misc
Travel The World Misc
Count 3: Madness - Noise Programming
LSCVM: Quintessential Harlequin Programming
Come Back To Earth RE
PPAP Web

Other writeups

Other people's writeups for my own reference: