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Writeups

CORCTF 2025
Googlectf 2025
MidnightSunCTF 2025 - Sp33d1
Wolvctf2025 Drywall
IrisCTF 2025 - Checksumz

Sep 2025 CORCTF 2025 [ rev , pwn , ctf ]
Jun 2025 Googlectf 2025 [ rev , ctf ]
May 2025 MidnightSunCTF 2025 - Sp33d1 [ pwn , ctf ]
Mar 2025 Wolvctf2025 Drywall [ pwn ]
Jan 2025 IrisCTF 2025 - Checksumz [ pwn , linux_kernel , ctf ]
Aug 2024 license - tfc 2024 [ rev , ctf ]
May 2024 Hello 2024
Apr 2024 umdctf2024 - cmsc430 [ rev , ctf ]
Apr 2024 umdctf2024 - Donations Fixed [ web , ctf ]
Apr 2024 umdctf2024 - Donations [ web , ctf ]
Nov 2023 Building a free Burp Collaborator with Cloudflare Workers [ web ]
Sep 2023 Thoughts after passing the OSWE [ web ]
May 2023 How I found a 0day in a Brazillian router [ vr ]
May 2023 The Inevitability of Getting Owned
Nov 2022 Getting Hands Dirty with Hacking
Oct 2022 Making and Writing Games
Oct 2022 Pinging Servers from Recife
Sep 2022 Psychedelic Programming Languages
Sep 2022 New things here
May 2021 C Wizardry - Homoiconicity in C
Apr 2021 When Things Are Too Smart
Feb 2021 Binary Binary Tree
Mar 2020 myLisp Interpreter 1: Lexer and Parser
Mar 2020 myLisp Interpreter 0: What is Lisp?
Feb 2020 Solução OBI 2018 Baldes [ competitive_programming ]
Feb 2020 Solução OBI 2018 Bolas [ competitive_programming ]
Feb 2020 Solução OBI 2018 Cinco [ competitive_programming ]
Feb 2020 Solução OBI 2018 Maximin [ competitive_programming ]
Feb 2020 Solução OBI 2018 Muro [ competitive_programming ]

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