HACKvent18 writeup

For the sixth time in a row now hacking-lab.com carried out the annual HACKvent. Each day from the 1st of december until the 24th a new challenge is published. I would have loved to spend more time on it, but time is a rare resource especially on the days before christmas 😉 After all I managed to solve 21 of 24 tasks:

Easy
Day 01: Just Another Bar Code
Day 02: Me
Day 03: Catch me
Day 04: pirating like in the 90ies
Day 05: OSINT 1
Day 06: Mondrian
Day 07: flappy.pl
Medium
Day 08: Advent Snail
Day 09: fake xmass balls
Day 10: >_ Run, Node, Run
Day 11: Crypt-o-Math 3.0
Day 12: SmartWishList
Day 13: flappy’s revenge
Day 14: power in the shell
Hard
Day 15: Watch Me
Day 16: Pay 100 Bitcoins
Day 17: Faster KEy Exchange
Day 18: Be Evil
Day 19: PromoCode
Day 20: I want to play a game
Day 21: muffinCTF (Day 1)
Day 22: muffinCTF (Day 2)
Day 23: muffinCTF (Day 3)
Final
Day 24: Take the red pill, take the blue pill

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HACKvent17 writeup

As every year hacking-lab.com carried out the annual HACKvent challenge. Each day from the 1st of december until the 24th a new challenge is published. The difficulty raises from day to day. After all I managed to solve 20 of 24 tasks:

Easy
Day 01: 5th anniversary
Day 02: Wishlist
Day 03: Strange Logcat Entry
Medium
Day 04: HoHoHo
Day 05: Only one hint
Day 06: Santa’s journey
Day 07: i know …
Day 08: True 1337s
Day 09: JSONion
Day 10: Just play the game
Hard
Day 11: Crypt-o-Math 2.0
Day 12: giftlogistics
Day 13: muffin_asm
Day 14: Happy Cryptmas
Day 15: Unsafe Gallery
Day 16: Try to escape …
Day 17: Portable NotExecutable
Final
Day 18: I want to play a Game (Reloaded)
Day 19: Cryptolocker Ransomware
Day 20: linux malware
Day 21: tamagotchi
Day 22: frozen flag
Day 23: only perl can parse Perl
Day 24: Chatterbox

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