CTF/wargames/boxes writeups

I’ve been inspired by my friends to make a writeup for even the easiest challenges, because they are really helpful for others :)

CTF

Hardware:

• Registers Matter [347 points] (12 solves)
  GoogleCTF 2020 qualifiers (ctftime) - solved together with @psrok1
  writeup
• Comlink [394 points] (7 solves)
  GoogleCTF 2021 qualifiers (ctftime) - solved together with @NieDzejkob
  writeup

Reverse Engineering:

• ArchRide [456 points] (~40 solves)
  InCTF 2020 (ctftime)
  writeup (coming soon)

Web:

• urlcheck v1 [98 points] (160 solves)
  TokyoWesterns CTF 6^th 2020 (ctftime) - solved together with dominikoso
  writeup
• Angular of the Universe (flag 1) [139 points] (39 solves)
  TokyoWesterns CTF 6^th 2020 (ctftime) - solved together with kannthu
  writeup
• Angular of another Universe [239 points] (8 solves)
  TokyoWesterns CTF 6^th 2020 (ctftime) - solved together with kannthu
  writeup

Misc:

• Does Linux Dream of Windows? (flag 1) [163 points] (7 solves)
  TokyoWesterns CTF 6^th 2020 (ctftime) - solved together with entire p4 team
  writeup (coming soon)
• babyshell [242 points] (38 solves)
  Dragon CTF 2020 (ctftime) - solved together with @ptrcnull
  writeup
• CoolNAME Checker [324 points] (19 solves)
  Dragon CTF 2020 (ctftime) - solved together with @ptrcnull
  writeup

Wargames

• OverTheWire - narnia
  writeups
• OverTheWire - vortex
  writeups
• OverTheWire - leviathan
  writeups
• pwnable.kr
  (coming soon)

Pwnboxes

maybe sommething will be here sometime