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Still gettin' busy!

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 – 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:′ The […]