CTF Writeups

CTF writeups for the CTF’s I’ve participated in. Mostly as part of Cyberlandsholdet (2017, 2018), dtuhax (2019-) or kalmarunionen (2020-).

• 2023
  • TencentCTF. (#2)
  • Bornhack CTF 2023. (1 of 42)
  • Google CTF 2023. (4 of 676)
  • hxp CTF 2022. (3 of 181)
  • KalmarCTF 2023. (Organizing)
  • bi0sCTF 2022. (7 of 294)
• 2022
  • Real World CTF 4rd. (13 of 947)
  • ASIS CTF Quals 2022. (1 of 532)
• 2021
  • hxp CTF 2021. (8 of 1035).
  • Union CTF 2021. (2 of 466).
  • BambooFox CTF. (9 of 513)
  • Real World CTF 3rd. (13 of 270)
  • TetCTF 2021. (8 of 519)
• 2020
  • TAMUctf 2020. (108 of 661)
  • Midnightsun CTF 2020. (42 of 932)
  • Cyberlandsholdet 2020.
  • Google CTF 2020. (47 of 625)
  • CSAW CTF 2020. (12 of 1214)
  • TokyoWesterns CTF 6th 2020. (143 of 648)
• 2019
  • BSides SF CTF 2019. (26 of 1068)
  • ångstromCTF 2019. (149 of 1570)
  • DEF CON CTF Qualifier 2019. (99 of 1262)
  • Facebook CTF. (233 of 1734)
  • TokyoWesterns CTF 5th 2019. (173 of 1005)
  • CSAW CTF’19 Quals. (127 of 1301)
  • Syskron Security CTF. (2 of 584)
• 2018
  • Capture The Flag at Accenture!. (1 of ?)
  • …
  • IceCTF 2018. (22 of 1746)
  • TJCTF 2018. (41 of 1016)
  • Google CTF. (65 of >2000)
  • NC3 Jule CTF 2018. (3 of 459)
  • European Cyber Security Challenge - London. (13 of 17)
• 2017
  • Pwn2Win CTF 2017. (10 of 207)
  • BackdoorCTF 2017. (49 of 212)
  • European Cyber Security Challenge - Malaga. (8 of 15)