Hacky Easter 2021 writeup

HackyEaster was awesome again. From a technical point of view there weren’t too much new things, but the creativity of the provided challenges made it really fun. Including the little teaser challenge there were a total amount of 37 challenges. These challenges were divided into different levels. You could only proceed to the next level, if you have earned enough points in the current level. I really liked that new idea.

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HACKvent20 writeup

This year’s HACKvent hosted on competition.hacking-lab.com has been as great as every year.
There was a total amount of 28 awesome challenges with varying difficulties.
HV20.(-1) Twelve steps of christmas
HV20.01 Happy HACKvent 2020
HV20.02 Chinese Animals
HV20.03 Packed gifts
HV20.04 Br❤celet
HV20.05 Image DNA
HV20.13 Twelve steps of christmas
HV20.14 Santa’s Special GIFt
HV20.15 Man Commands, Server Lost
HV20.16 Naughty Rudolph
HV20.17 Santa’s Gift Factory Control
HV20.18 Santa’s lost home
HV20.19 Docker Linter Service
HV20.06 Twelve steps of christmas
HV20.07 Bad morals
HV20.08 The game
HV20.09 Santa’s Gingerbread Factory
HV20.10 Be patient with the adjacent
HV20.11 Chris’mas carol
HV20.12 Wiener waltz
HV20.20 Twelve steps of Christmas
HV20.21 Threatened Cat
HV20.22 Padawanlock
HV20.23 Those who make backups are cowards!
HV20.24 Santa’s Secure Data Storage
HV20.H1 It’s a secret!
HV20.H2 Oh, another secret!
HV20.H3 Hidden in Plain Sight
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HACKvent19 writeup

This year’s HACKvent was hosted on the brand new Hacking-Lab 2.0 plattform. Each day from the 1st of december until the 24th a new challenge is published raising in difficulty. The flag format changed from HV18-xxxx-xxxx-xxxx-xxxx-xxxx to HV19{...}. After all I managed to solve all 28 challenges 🙂
Hidden
HV19.H1 Hidden One
HV19.H2 Hidden Two
HV19.H3 Hidden Three
HV19.H4 Hidden Four
Easy
HV19.01 censored
HV19.02 Triangulation
HV19.03 Hodor, Hodor, Hodor
HV19.04 password policy circumvention
HV19.05 Santa Parcel Tracking
HV19.06 bacon and eggs
HV19.07 Santa Rider
Medium
HV19.08 SmileNcryptor 4.0
HV19.09 Santas Quick Response 3.0
HV19.10 Guess what
HV19.11 Frolicsome Santa Jokes API
HV19.12 back to basic
HV19.13 TrieMe
HV19.14 Achtung das Flag
Hard
HV19.15 Santa’s Workshop
HV19.16 B0rked Calculator
HV19.17 Unicode Portal
HV19.18 Dance with me
HV19.19 U+1F385
HV19.20 i want to play a game
HV19.21 Happy Christmas 256
Leet
HV19.22 The command … is lost
HV19.23 Internet Data Archive
HV19.24 ham radio

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Hacky Easter 2018 writeup

As every year hacking-lab.com carried out the annual Hacky Easter event with 27 challenges. I could not spend as much time as I would have liked to on solving the challenges, but after all I managed to collect 25 of the 27 eggs and focused on this writeup.
Easy
01 Prison Break
02 Babylon
03 Pony Coder
04 Memeory
05 Sloppy & Paste (mobile)
06 Cooking for Hackers
07 Jigsaw
08 Disco Egg
09 Dial Trial (mobile)
Medium
10 Level Two
11 De Egg you must (not solved)
12 Patience (mobile)
13 Sagittarius…
14 Same same…
15 Manila greetings
16 git cloak –hard
17 Space Invaders
18 Egg Factory
Hard
19 Virtual Hen
20 Artist: No Name Yet (not solved)
21 Hot Dog
22 Block Jane
23 Rapbid Learning
24 ELF
Hidden
25 Hidden Egg #1
26 Hidden Egg #2
27 Hidden Egg #3

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