bzorigt / xmasctf-2018-writeups

Writeups and scripts for X-MAS CTF 2018

X-MAS CTF 2018 Writeups

This is a collection of my writeups for challenges in X-MAS CTF 2018.

Details

X-MAS CTF 2018 
Fri, Dec. 14, 2018 18:00 — Fri, Dec. 21, 18:00 UTC

Score

zst123

34th place

4282 points

Solved

Challenge	Category	Remarks
Hanukkah	Crypto
Special Christmas Wishlist	Crypto	Using OpenCV
Santa's list	Crypto
Santa's list 2.0	Crypto
~	~
Greetings from Santa	Pwn
Pinkie's Gift	Pwn
~	~
Mission: Save the Christmas	Misc/Forensics
~	~
Santa The Weaver	Misc
A Christmas Dilemma	Misc
Krampus' Code Blocks	Misc	Solved except Minecraft part -.-
A Weird List of Sequences	Misc
Weird Transmission	Misc
~	~
Endless Christmas	Reverse
Dataflow Programming Christmas Edition	Reverse	Intepreter + Graph
~	~
Let's Crack the Great lapland monolith	Web/Crypto
Let's Crack the Greater lapland monolith	Web/Crypto
~	~
Santa's Helper Mechagnome	Web
GnomeArena: Rock Paper Scissors	Web
Gnome's BU77ons	Web
Our Christmas Wishlist	Web
Reindeers and cookies	Web
~	~
Oh Christmas Tree	Forensics
Santa's Security Levels	Forensics
Message from Santa	Forensics

Attempted / Unsolved

Challenge	Category	Remarks
Xⁿ-Mas	Crypto
Probably Really Nice Goodies from Santa	Crypto
~	~
Random Present	Pwn
I want that toy	Pwn
Forbidden Documents	Pwn
~	~
BoJack Horseman's Sad Christmas	Misc/Forensics
Suspicious Hacking Game	Misc/Forensics
~	~
The ultimate Christmas game	Misc
~	~
CatanaGift	Reverse
A Christmas Carol	Reverse
Friedrich's Christmas Hangover	Reverse
~	~
Santa's lucky number	Web
Santa's No Password Login System	Web
~	~
Hidden in almost Plain Sight	Forensics