Bits tell stories

A reverse engineering CTF for curious minds. Disassemble, analyze, patch, repeat. Same binaries, different perspective.

Hand-drawn EOF computer, headphones, keyboard, skull mug, and ASM, RE and DEBUG books. Bits tell stories. A reverse engineering CTF for curious minds.

Who We Are

EOF is a community-driven platform focused on reverse engineering. We create clean, challenging and educational CTFs that make you look deeper into binaries, learn new techniques, and enjoy the process of reversing.

push rbp
mov rbp, rsp
...
call _start

Our Aim

To build a space for everyone who loves reverss engineering — from beginners to seasoned reversers. We aim to design unique challenges, share knowledgs, and grow the RE community together.

different binaries, same curiosity

Recent Events

AUG
2026

EOF CTF 2026

Concluded
  • August 2026
  • 24 Hours
  • 51 Teams

Our first official CTF. A 24-hour reverse engineering event with an amazing participation from the community.
Thank you to everyone who played!

same
binaries
new stories
<3

Upcoming Event

No upcoming event announced yet.
Stay tuned!

EOF CTF 2026 — SCOREBOARD (TOP 10)

51 teams total
#TeamCTF Points
1Rea11y Annoying Bots(RAB)5421.000
20xP05421.000
3GrimSec Ops5421.000
4chmod674963.000
5Res!lient An0n!m0us Warr!0rs - RAW4963.000
6YmFzZTY04963.000
7husor4150.000
8G33333.000
9Sentinel X2975.000
10The Rise of the Eternal Wolves of the Blue Sky2631.000