CTFtime.org

Tasks

NamePointsTagsWriteups
CTF Security 10 hacking ctf 0
A Weird List of Sequences 392 misc 3
Super Secure Siberian Vault 413 2
The Calculator 495 pwn 1
Reindeers and cookies 175 web 2
Santa's Whatsapp Wishing Hotline 591 / 1day misc exploit 1
A white rabbit in a snowstorm 482 crypto 2
The ultimate Christmas game 50 misc 3
Our Christmas Wishlist 50 web 1
Pinkie's Gift 50 pwn 2
Weird Transmission 465 miscellaneous 0
Mission: Save the Christmas 487 misc forensics 0
Krampus' Code Blocks 392 misc 3
Let's Crack the Great lapland monolith 413 web crypto 3
The Calculator 2.0 497 pwn 1
A black rabbit in the dark 497 crypto 1
Gnome's BU77ons 50 web 2
Santa's No Password Login System 128 web 2
GnomeArena: Rock Paper Scissors 50 web 3
Santa's lucky number 50 web 2
Santa's Helper Mechagnome 50 web 1
Endless Christmas 50 reverse 1
Santa thinks you're trustworthy 417 reverse 1
CatanaGift 59 reverse 3
Random Present 50 pwn 4
Forbidden Documents 442 pwn 3
Greetings from Santa 50 pwn 1
Review your Santa 349 pwn 0
BoJack Horseman's Sad Christmas 128 misc forensics 1
Santa The Weaver 25 misc 1
A Christmas Dilemma 205 misc 2
Santa's Security Levels 50 forensics 2
Oh Christmas Tree 25 forensics 2
Probably Really Nice Goodies from Santa 460 crypto 3
Xⁿ-Mas 383 crypto 3
Santa's Private Talks Room 5 check sanity 0
Let's Crack the Greater lapland monolith 451 web crypto 3
Let's Crack the Great lapland monolith 413 web crypto 1
Hidden in almost plain sight 374 forensics 1
Dataflow Programming Christmas Edition 454 reverse 1
A Christmas Carol 445 reverse 1
Unkown Gift 487 crypto misc 1
Suspicious Hacking Game 468 misc forensics 1
Special Christmas Wishlist 50 crypto 3
I want that toy 369 pwn 3
Message from santa 50 forensics 2
Friedrich's Christmas Hangover 445 reverse 2
Santa's Secret B(i)smuth 486 crypto chinese-remainder 3
Santa's list 2.0 328 crypto rsa 4
Santa's list 286 crypto rsa 4
Hanukkah 50 crypto rabin 2