00d 00h 00m 00s
-
Information
- Name: LINE CTF 2025
- Schedule: Loading...
- Style: Jeopardy-style (Team Competition @ Online)
- Organizer: Security team at LY Corporation
- Discord: https://discord.gg/uA2wyaZeuY
- Contact: [email protected]
- Bugbounty: https://hackerone.com/line
- Prizes:
- 🥇 1st Place: $5,000
- 🥈 2nd Place: $3,000
- 🥉 3rd Place: $2,000
Rules
- Do not participate and play on multiple teams.
- Do not share flags or any hints.
- Do not ask other players who are not on the same team for hints on challenges via DM, etc.
- Do not attack scoreboard server or our infra. (e.g. DoS)
- Do not perform scanning. (Brute force not required to solve)
- The displayed amount of prize money will be transferred in USD. LINE will bear the transfer cost.
- We will ask for your PII for payment of rewards and checking of anti-social forces.
- We will not support multiple transfer accounts. Only one bank account can receive the rewards.
- The flag format is
LINECTF{[0-9a-f]{32}}
. - We reserve the right to ban and disqualify any teams breaking any of these rules.
- The Top 3 teams should send us a writeup until Loading.... The email address for submission will be announced separately.