ctf

SANS Holiday Hack Challenge write-ups

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Write-up: A Gnome in your Home (2015) Write-up:  Santa’s Business Card (2016) Write-up: Wintered: The untold story of the Elves of the North Pole (2017). This writeup received an Honorable Mention from the SANS-team. Write-up: KringleCon, the first-ever cyber security conference hosted by Santa and his elves (2018). This writeup received a Super Honorable Mention […]

31c3 CTF – Rick write-up

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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: [code]Seems like somebody got pwned http://188.40.18.67[/code]

31c3 CTF – 5CHAN Write-up

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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: [code] 5CHAN? never heard of this image board, but they have exactly what we need, the picture we’re looking for is not for public, so can you get it? […]