CTFtime.org

capitol

Alexander Kjäll
Capturing flags since Jan. 2016

Participate in teams

Hackeriet

capitols writeups

EventTaskAction
UTCTF 2019Super Secure Authentication [750]read writeup
UTCTF 2019Jacobi’s Chance Encryption [750]read writeup
nullcon HackIM 20192FUN [448]read writeup
35C3 CTFJuniorCTF - flags [37]read writeup
35C3 CTFJuniorCTF - Decrypted [80]read writeup
35C3 CTFJuniorCTF - DANCEd [500 (variable)]read writeup
35C3 CTFJuniorCTF - pretty-linear [158]read writeup
34C3 CTFJuniorCTF - Megalal [188]read writeup
SECCON 2017 Online CTFLog search [100]read writeup
SECCON 2017 Online CTFRun me! [100]read writeup
SECCON 2017 Online CTFVigenere3d [100]read writeup
TUCTF 2017future [250]read writeup
Boston Key Party CTF 2017RSA-buffet [150]read writeup
Insomni'hack teaser 2017smarttomcat [50]read writeup