ctf.harrison.green
a collection of ctf writeups
homepage: https://harrison.green
technical blog: https://c.mov
2025
2022
2021
- PBCTF 2021 - Not Password (2 solves)
- MidnightSunCTF Finals 2021 - Climb & Crackme (4 solves & 2 solves)
- GoogleCTF 2021 - I can't believe it's not crypto (314pts / 17 solves)
- pwn2win 2021 - Highest Power (500pt / 1 solve)
- PlaidCTF 2021 - minipokemon (450pt / 12 solves)
- MidnightSun CTF 2021 - twi-light (428pt / 4 solves)
2020
- Google CTF - Registers Matter (347pt / 12 solves)
- Google CTF - Exceptional (363pt / 10 solves)
- Samsung CTF - Legitimate (240pt)
- PoseidonCTF 2020 - VM & VM Reloaded (1000+1000pt)
- ASIS CTF 2020 - sshateau (285pt)
- 0CTF/TCTF 2020 - sham (733pt)
- redpwnCTF 2020 - r1sc (487pt)
- redpwnCTF 2020 - JavaIsEZ2 (497pt)
- PlaidCTF 2020 - The Watness 2 (450pt)
- PlaidCTF 2020 - That's a lot of fish (400pt)
- MidnightSunCTF 2020 - AVR rev/pwn/own (185+328+363pt)
- HackTM 2020 - PLOP (488pt)
- HackTM 2020 - mama bear (499pt)
2019
- hxpctf 2019 - splitcode (256pt)
- hxpctf 2019 - flag concat (244pt)
- justCTF 2019 - Walking Simulator (474pt)
- X-MAS CTF 2019 - What's Up, Santa? (451pt)
- X-MAS CTF 2019 - Kernel Crackme (484pt)
- X-MAS CTF 2019 - Discount VMProtect (465pt)
- TCTF 2019 - sanitize (282pt)
- TCTF 2019 - flropyd (366pt)
- TCTF 2019 - Elements (107pt)
- CONFidence CTF 2019 Teaser - Pudliszki (128pt)
- CONFidence CTF 2019 Teaser - Neuralflag (188pt)
- UTCTF 2019 - PPower enCryption (1150pt)
- UTCTF 2019 - FaceSafe (1400pt)
- UTCTF 2019 - Airport Security (1750pt)
- BSidesSF CTF 2019 - fastflag (150pt)
- BSidesSF CTF 2019 - dribbles (250pt)
2018
2017