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pwnable crypto
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reversing
Dreamhack
20์ฝ”์ธ
Pearfect Markdown
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web
Dreamhack
20์ฝ”์ธ
Dual Stream
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crypto
Dreamhack
20์ฝ”์ธ

๋žญํ‚น

473 ๋ช…์ด ์ฐธ์—ฌ ์ค‘์ž…๋‹ˆ๋‹ค.
Last updated: 2025.12.29. 17:00:04
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 2268 pts
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keymoon
2์œ„ 2268 pts
KLPP
3์œ„ 2268 pts
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zatsu
4์œ„ 2268 pts
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Yu_212
5์œ„ 2268 pts
lydxn
6์œ„ 2268 pts
G0RiyA
7์œ„ 2268 pts
shpark1104
8์œ„ 1659 pts
4ncientH
9์œ„ 1445 pts
G1nM0o
10์œ„ 1332 pts
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hiikunZ
11์œ„ 1332 pts
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zarfix
12์œ„ 1332 pts
MountainRose
13์œ„ 1332 pts
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as3617
14์œ„ 1332 pts
sinamhdv
15์œ„ 1332 pts
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Rootsquare

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
avatar
keymoon
2101
230
Diamond III
KLPP
1987
363
Platinum II
avatar
zatsu
2014
192
Platinum I
avatar
Yu_212
2150
209
Diamond III
lydxn
1620
Gold II
G0RiyA
1962
333
Platinum II
shpark1104
1614
Gold II
4ncientH
1828
257
Platinum III
G1nM0o
1609
Gold II
avatar
hiikunZ
2010
153
Platinum I
avatar
zarfix
1725
224
Gold I
MountainRose
1701
220
Gold I
avatar
as3617
1597
Gold III
sinamhdv
1595
Gold III
avatar
Rootsquare
1728
241
Gold I
avatar
๋น„ํฌ๋งท
1846
144
Platinum III
avatar
xdfyrj
1397
169
Silver II
avatar
5unsetpowerln
1850
134
Platinum III
shielder
1870
240
Platinum III
avatar
Wrth
1579
Gold III
avatar
shr3wd
1703
103
Gold I
avatar
qpal
1854
115
Platinum III
avatar
์—ฐ์ฃผ
1471
218
Silver I
avatar
๋‚œํญํ•œ ํฌ๋กœ
1470
217
Silver I
avatar
IREVES
1566
Gold III
M1nh
1564
Gold III
avatar
c0degolf
1718
150
Gold I
disna
1559
Gold III
krrr
1557
Gold III
avatar
DA2RIM
1649
183
Gold II
Season 7
Dreamhack CTF Season 7 Round #3 (๐ŸšฉDiv1)
์ผ์‹œ
2025.02.01. 09:00:00
~ 2025.02.01. 23:59:59
472
๋ช… ์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.
  4. ๋Œ€ํšŒ๊ฐ€ ์ง„ํ–‰๋˜๋Š” ๋™์•ˆ ๋ฌธ์ œ ํŒŒ์ผ์„ ๋‹ค๋ฅธ ์‚ฌ๋žŒ๊ณผ ๊ณต์œ ํ•˜๋ฉด ์•ˆ๋ฉ๋‹ˆ๋‹ค.
๋ณด์ƒ
  • ๋“œ๋ฆผํ•ต ์šฐ์‚ฐ
    • ์ƒ์œ„ 1๋ช…
    • ์ถ”์ฒจ 4๋ช… (์ตœ์†Œ ํ•œ ๋ฌธ์ œ ์ด์ƒ ํ•ด๊ฒฐํ•œ ์‚ฌ๋žŒ)
์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.