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Writeups

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Ranking

321 players are participating.
Rank
User
Score
Last solved at
Solved challenges
#1 1977 pts
1 year ago
#2 1977 pts
1 year ago
#3 1977 pts
1 year ago
#4 1977 pts
1 year ago
#5 1977 pts
1 year ago
#6 1066 pts
1 year ago
#7 1066 pts
1 year ago
#8 1066 pts
1 year ago
#9 1011 pts
1 year ago
#10 1011 pts
1 year ago
#11 1011 pts
1 year ago
#12 1011 pts
1 year ago
#13 1011 pts
1 year ago
#14 1011 pts
1 year ago
#15 1011 pts
1 year ago

Result

Diamond I
2367
1977 pts
Master
2701
1977 pts
Gold I
1779
1977 pts
Master
2567
1977 pts
Master
2692
1977 pts
Diamond I
2356
1066 pts
Gold II
1657
1066 pts
Gold II
1666
1066 pts
Gold II
1610
1011 pts
Gold I
1746
1011 pts
Diamond III
2199
1011 pts
Diamond III
2192
1011 pts
Silver I
1459
1011 pts
Platinum III
1835
1011 pts
Platinum III
1853
1011 pts
Silver I
1420
911 pts
Gold III
1582
100 pts
Gold III
1579
100 pts
Silver I
1468
100 pts
Silver II
1398
100 pts
Platinum III
1841
100 pts
Gold III
1504
100 pts
Gold III
1562
100 pts
Gold I
1767
100 pts
Gold III
1556
100 pts
Gold III
1553
100 pts
Gold III
1550
100 pts
Silver I
1405
100 pts
Gold III
1544
100 pts
Silver I
1417
100 pts
Season 3
Dreamhack CTF Season 3 Round #1 (๐ŸšฉDiv1)
Date
2023.04.08. 09:00:00
~ 2023.04.08. 23:59:59
321 players
Organized by
Dreamhack
Time
15 hours
Team size
Individual
Description

Dreamhack CTF๋Š” ์ •๊ธฐ์ ์œผ๋กœ ๊ฐœ์ตœ๋˜๋Š” ๋Œ€ํšŒ์ž…๋‹ˆ๋‹ค.

๋ฌธ์˜

Rules
  1. CTF ์ฐธ๊ฐ€์ž ๊ฐ„์˜ ์ •๋‹ต ๊ณต์œ  ๋ฐ ํ’€์ด ๊ณผ์ • ๊ณต์œ ๋Š” ์—„๊ฒฉํžˆ ๊ธˆ์ง€๋˜์–ด ์žˆ์œผ๋ฉฐ, ์‹ค๊ฒฉ์˜ ๋Œ€์ƒ์ด ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
  2. CTF ์ฐธ์—ฌ์ž๋Š” ๋ฐ˜๋“œ์‹œ ๊ณต๊ฒฉ ๋Œ€์ƒ์œผ๋กœ ์ •ํ•ด์ง„ ์„œ๋ฒ„๋งŒ์„ ์ ‘์†ํ•˜๊ณ  ๊ณต๊ฒฉํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
  3. Dreamhack์„ ํฌํ•จํ•œ CTF ์„œ๋ฒ„ ์šด์˜์— ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š” ํ–‰์œ„ ํ˜น์€ ์›ํ™œํ•œ ์ง„ํ–‰์— ๋ฐฉํ•ด๊ฐ€ ๋  ์ˆ˜ ์žˆ๋Š” ํ–‰๋™ ๋ฐ ์‹œ๋„ ๋˜ํ•œ ์‹ค๊ฒฉ์˜ ๋Œ€์ƒ์ด ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
Rewards
  • ์Šคํƒ€๋ฒ…์Šค ๊ตํ™˜๊ถŒ(์นดํŽ˜ ์•„๋ฉ”๋ฆฌ์นด๋…ธ T 2์ž”+์Šˆํฌ๋ฆผ ๊ฐ€๋“ ๋ฐ”์›€์ฟ ํ—จ+The ์ด‰์ด‰ ์ดˆ์ฝœ๋ฆฟ ์ƒํฌ๋ฆผ ์ผ€์ดํฌ)
    • ์ƒ์œ„ 1๋ช…
    • ์ถ”์ฒจ 4๋ช… (์ตœ์†Œ ํ•œ ๋ฌธ์ œ ์ด์ƒ ํ‘ผ ์ž)

์ƒํ’ˆ ์ถ”์ฒจ์€ ๋“œ๋ฆผํ•ต ๊ณต์‹ ๋””์Šค์ฝ”๋“œ ์„œ๋ฒ„ ์˜ #dh-ctf-season3 ์ฑ„๋„์—์„œ ์ง„ํ–‰ํ•ฉ๋‹ˆ๋‹ค.

โ€ป ๋“œ๋ฆผํ•ต ๋””์Šค์ฝ”๋“œ์—์„œ ์ƒํ’ˆ ์•ˆ๋‚ด๊ฐ€ ์ด๋ฃจ์–ด์ง‘๋‹ˆ๋‹ค. ์•ˆ๋‚ด๋ฅผ ํ™•์ธํ•˜์ง€ ๋ชปํ•˜์—ฌ ์ƒํ’ˆ์„ ๋ฐ›์ง€ ๋ชปํ•˜์˜€์„ ๊ฒฝ์šฐ, ์žฌ๋ฐœ์†กํ•ด ๋“œ๋ฆฌ์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

โ€ป ๋ณด์ƒ์€ ์ƒํ™ฉ์— ๋”ฐ๋ผ ๋น„์Šทํ•œ ๊ธˆ์•ก์˜ ๋‹ค๋ฅธ ์ƒํ’ˆ์œผ๋กœ ๋ฐ”๋€” ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Scoring

The CTF has a system in which the score changes according to the number of solvers.

Flag Format

ํ”Œ๋ž˜๊ทธ์˜ ํ˜•์‹์€ DH{...}์ž…๋‹ˆ๋‹ค.

Flag Submission Threshold
Flags can be submitted once every 30 seconds per challenge.