Calle ZetaTwo Svensson | Säkerhets-SM 2020 Challenge Solutions Part 3/3 @ZetaTwo | Uploaded 4 years ago | Updated 1 hour ago
March 13-15, the 2020 edition of the Swedish High-School CTF championships, "Säkerhets-SM", took place. The competition aims to bring high school students (and others) some nice security challenges and expose them to the fantastic world of CTFs.

For more info and to participate: https://sakerhetssm.se/

I will host a stream where I will go through the challenges from Säkerhets-SM 2020, how to approach them and how to solve them. Note that the competition is (at least partially) in Swedish but this stream will be in English.

Contents:
00:00 - Introduction

Forensics challenges:
02:15 - Korrumperad Katt
06:30 - Beautiful Birds
13:15 - Unzip me
20:05 - Ett äpple om dagen
01:20:25 - Torktumlad zip

Web challenges:
01:41:20 - Dos protection

boot2root challenges:
02:19:50 - Knowit 1 - Initial
02:42:50 - Knowit 2 - User
02:55:15 - Knowit 3 - Root

Crypto challenges:
03:09:50 - Konstig kloss

03:18:45 - Outro

Part 1: youtube.com/watch?v=CYBGQ9Zp6UQ
Part 2: youtube.com/watch?v=mEeccIodvFQ
Part 3: youtube.com/watch?v=Od8QJwQpbkk