Deloitte Hackazon Writeups
HackyHolidays SpaceRace writeup (2021)
BusyR
SANS Holiday Hack Challenge writeups
Writeup: ‘Jack’s Back! featuring KringleCon 4: Calling Birds (2021) Writeup: ‘Zat You, Santa Claus? featuring KringleCon 3: French Hens (2020) Writeup: KringleCon, the first-ever cyber security conference hosted by Santa and his elves (2018) Writeup: Wintered: The untold story of the Elves of the North Pole (2017) Writeup: Santa’s Business Card (2016) Writeup: A Gnome […]
#Crimediggers bonus-challenges
De #Crimediggers Experience bevat 9 steganografie-challenges voor extra bonus-punten. De Radio-commerical Het startpunt voor deze challenges is de radio-commercial, welke te downloaden is dmv het icoontje linksboven in de homepage. Challenge #1 Als we de mp3-file met strings bekijken valt gelijk een linkje naar pastebin.com op: Deze tekst staat in de id3v2-tag van de mp3-file. […]
31c3 CTF – Rick write-up
This is my write-up for the Rick-challenge in the 31c3 CTF. A little warning for those playing along: visiting the starting URL http://188.40.18.67/ with JavaScript enabled will get you Rick-rolled ;-) The information to get started the challenge with the challenge was:
31c3 CTF – 5CHAN Write-up
This is my write-up for one of the easier challenges in the 31c3 CTF: 5CHAN. The information to get started the challenge with the challenge was: When visiting the URL, we are presented with an nice image-board. Fuzzing around a little with the URL-parameters shows that this board is clearly vulnerable to SQLi: http://188.40.18.89/?page=pic&id=1′ The […]