Xmasctf2020

Xmas CTF 2020 - Day 18

December 18, 2020

1 minute read

Challenge: Isn’t 2fa fun? Especially when you forget to backup you code and can’t login anywhere anymore. Well, not even Santa is immune to mistakes like this. Fortunately his app creates a recovery token. The developers hoped that Santa would never need it, so they kinda slacked off when implementing the app. It’s up to us to find Santa’s recovery token.

Xmas CTF 2020 - Day 17

December 17, 2020

2 minutes read

Challenge: Santa made available a service that accepts only the best of jokes. Try it out, binary is available and service is listening at elfs.owasp.si:40003.

Xmas CTF 2020 - Day 16

December 16, 2020

2 minutes read

Challenge: It’s nearly Christmas and Santa’s very busy getting everything ready. He’s preparing his list of who’s been good. Write a letter to Santa, to let him know that you have been nice.

Xmas CTF 2020 - Day 15

December 15, 2020

2 minutes read

Challenge: Santa’s elves have found the following image with a secret message. Can you find it?

Xmas CTF 2020 - Day 14

December 14, 2020

3 minutes read

Challenge: Santa’s elves created a brand new API for naughty and nice list at <a href="http://elfs.owasp.si:8000/">http://elfs.owasp.si:8000/</a> with advanced protections. But did they get the protections right? Be nice.

Xmas CTF 2020 - Day 13

December 13, 2020

1 minute read

Challenge: Someone was monitoring weird transmissions on Santa’s network, fortunately their systems are outdated so you might have some luck decoding the message.

Damjan Cvetko

Xmasctf2020

Xmas CTF 2020 - Day 18

Xmas CTF 2020 - Day 17

Xmas CTF 2020 - Day 16

Xmas CTF 2020 - Day 15

Xmas CTF 2020 - Day 14

Xmas CTF 2020 - Day 13

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