These tasks originate from the reverse challenges at No Hack No CTF 2025 CTF
Grzechu
Team Vice-captain
Joined June 2024
Experties
Last flag captured on Jan 12, 2026.
Achievements
Flags
451
Bloods
18
CTFs
100
Writeups
13

Certificate
Silver
36
24
14
- Published on

- Name
- Grzechu
Forensic/Osint challenge from 1753CTF 2025- Published on

- Name
- Grzechu
Misc challenge from 1753CTF 2025- Published on

- Name
- Grzechu
Rev challenge from 1753CTF 2025- This challenge required decoding a WAV file containing DTMF tones, translating them into a T9 keyboard input, and uncovering a URL leading to the final flag.
- These tasks originate from the hardware category at CTF BITSCTF 2025
