# ImaginaryCTF 2025

Link: [https://2025.imaginaryctf.org/](<https://2025.imaginaryctf.org/>)

CTFTime: [https://ctftime.org/event/2799](<https://ctftime.org/event/2799>)

Official writeups: [https://github.com/ImaginaryCTF/ImaginaryCTF-2025-Challenges](<https://github.com/ImaginaryCTF/ImaginaryCTF-2025-Challenges>)

Result: 2200 Points, 124th Place

Solved Challenges:

Misc:

- [sanity-check](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/sanity-check.html>)
- [discord](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/discord.html>)
- [significant](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/significant.html>)
- [survey](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/survey.html>)
- [tax-return](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/tax-return.html>)

Crypto:

- [redacted](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/redacted.html>)
- [leaky-rsa](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/leaky-rsa.html>)

Web:

- [imaginary-notes](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/imaginary-notes.html>)
- [certificate](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/certificate.html>)
- [codenames-1](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/codenames-1.html>)
- [passwordless](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/passwordless.html>)
- [pearl](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/pearl.html>)

Pwn:

- [babybof](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/babybof.html>)
- [addition](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/addition.html>)

Forensics:

- [wave](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/wave.html>)
- [obfuscated-1](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/obfuscated-1.html>)
- [x-tension](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/x-tension.html>)
- [thrift-store](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/thrift-store.html>)

Reversing:

- [comparing](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/comparing.html>)
- [nimrod](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/nimrod.html>)
- [weird-app](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/weird-app.html>)
- [stacked](<https://jia.je/ctf-writeups/2025-09-05-imaginary-ctf-2025/stacked.html>)