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Writeups

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Ranking

451 players are participating.
Last updated: 2026.08.18. 04:19:08
Rank Score User
#1 3269 pts
#2 3069 pts
#3 2610 pts
#4 2509 pts
#5 2424 pts
#6 2409 pts
#7 2264 pts
#8 2074 pts
#9 2064 pts
#10 1985 pts
#11 1785 pts
#12 1785 pts
#13 1750 pts
#14 1650 pts
#15 1615 pts

Announcements 1

We discovered an issue with the public files for the “Fundamental Machine” challenge.
The files have been fixed and re-uploaded.
We sincerely apologize for the disruption to your solve.

ACSC CTF
Date
2025.08.16. 12:00:00
~ 2025.08.17. 12:00:00
451 participated
Organized by
BusinessH4C
Time
1 day
Team size
Individual
Description

ACSC CTF

Rules
Rewards
Scoring

Score of each challenge is adjusted based on the number of solvers.

Flag Format

acsc{}

Flag Submission Threshold
Flags can be submitted once every 10 seconds per challenge.