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๋žญํ‚น

288๋ช…์ด ์ฐธ์—ฌ ์ค‘์ž…๋‹ˆ๋‹ค.
Last updated: 2025.01.10. 06:33:16
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 500 pts
Rinnnt
CTF Third Place
2์œ„ 500 pts
avatar
neko_hat
์ƒˆ์‹น
3์œ„ 500 pts
avatar
wyv3rn
๋ฌดํ”Œ ๋ฐฉ์ง€ ์œ„์›ํšŒ์žฅ
4์œ„ 500 pts
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h1ghl1kh7
๊ฐ•์˜ ์ˆ˜๊ฐ•: 1
5์œ„ 500 pts
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0s_W
์‹œ์Šคํ…œ ํ•ดํ‚น ์ž…๋ฌธ
6์œ„ 500 pts
avatar
D0Dos
๋Œ€ํ‘œ ์—…์  ์—†์Œ
7์œ„ 500 pts
avatar
movptr
๊ณต๋ถ€๋ฒŒ๋ ˆ
8์œ„ 500 pts
๊ณ ๋ผ๋‹ˆํƒ•
๋Œ€ํ‘œ ์—…์  ์—†์Œ
9์œ„ 500 pts
avatar
ssongk
2024 Invitational Contenders
10์œ„ 500 pts
JadetheZapper
Closed Beta Tester
11์œ„ 500 pts
avatar
Kimg00n
Perfect 10
12์œ„ 500 pts
Cheshire1225
.HACK 2024 ์ฐธ๊ฐ€์ž
13์œ„ 500 pts
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j00n
๋Œ€ํ‘œ ์—…์  ์—†์Œ
14์œ„ 500 pts
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YaPoo
๊ณต๋ถ€๋ฒŒ๋ ˆ
15์œ„ 500 pts
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skybridge
์›Œ๊ฒŒ์ž„: 1

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LP
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Rinnnt
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Gold III
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Platinum III
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neko_hat
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Silver I
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wyv3rn
1465
291
Silver I
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h1ghl1kh7
1748
160
Gold I
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0s_W
1402
Silver I
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D0Dos
1598
Gold III
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movptr
1655
253
Gold II
๊ณ ๋ผ๋‹ˆํƒ•
1471
Silver I
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ssongk
1476
83
Silver I
JadetheZapper
1579
Gold III
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Kimg00n
1597
102
Gold III
Cheshire1225
1459
Silver I
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j00n
1704
83
Gold I
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YaPoo
1401
92
Silver I
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skybridge
1570
264
Gold III
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Ivy
1765
83
Gold I
์–‘๋•ก์ด
1478
Silver I
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skysquirrel
1461
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Silver I
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AmesianX
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Silver I
OZ1NG
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Gold III
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Silver II
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Gold I
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Silver I
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Gold III
์กฐ๋ฅด๊ฑฐ์ด
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Gold III
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์นด๋ฃจ
1515
Gold III
Hmin
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Silver I
name2965
1504
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Gold III
Season 3
Dreamhack CTF Season 3 Round #2 (๐ŸŒฑDiv2)
์ผ์‹œ
2023.04.22. 09:00:00
~ 2023.04.22. 23:59:59
298๋ช… ์ฐธ์—ฌํ•จ
CTF ๊ฐœ์ตœ
Dreamhack
์ง„ํ–‰์‹œ๊ฐ„
15์‹œ๊ฐ„
ํŒ€ ๊ทœ๋ชจ
๊ฐœ์ธ
๊ฐœ์š”

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

๋ฌธ์˜

๊ทœ์น™
  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.
๋ณด์ƒ
  • BHC ๊ตํ™˜๊ถŒ(๋ฟŒ๋งํด์ฝค๋ณด+์ฝœ๋ผ1.25L)
    • ์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.

์ฑ„์ 

๊ฐ ๋ฌธ์ œ์˜ ์ ์ˆ˜๋Š” ํ’€์ด์ž ์ˆ˜์— ๋”ฐ๋ผ ์กฐ์ •๋ฉ๋‹ˆ๋‹ค.

ํ”Œ๋ž˜๊ทธ ํ˜•์‹

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

ํ”Œ๋ž˜๊ทธ ์ œ์ถœ ์ œํ•œ
๋ฌธ์ œ๋‹น 30์ดˆ๋งˆ๋‹ค ํ•œ ๋ฒˆ์”ฉ Flag๋ฅผ ์ œ์ถœ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.