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broken stream
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Dreamhack
20์ฝ”์ธ
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reversing
Dreamhack
20์ฝ”์ธ
Tricky-Trick
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web
Dreamhack
20์ฝ”์ธ
Chat with Me
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Dreamhack
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๋žญํ‚น

447 ๋ช…์ด ์ฐธ์—ฌ ์ค‘์ž…๋‹ˆ๋‹ค.
Last updated: 2025.04.25. 18:30:27
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 2854 pts
G0RiyA
CTF ์ดˆ๋ณด์ž
2์œ„ 2854 pts
qpal
๋Œ€ํ‘œ ์—…์  ์—†์Œ
3์œ„ 2854 pts
avatar
keymoon
2024 Invitational CHAMPION
4์œ„ 2854 pts
wy
๋Œ€ํ‘œ ์—…์  ์—†์Œ
5์œ„ 2854 pts
avatar
posix
๋Œ€ํ‘œ ์—…์  ์—†์Œ
6์œ„ 2056 pts
roaris
๋Œ€ํ‘œ ์—…์  ์—†์Œ
7์œ„ 2056 pts
mojashi
๋Œ€ํ‘œ ์—…์  ์—†์Œ
8์œ„ 2056 pts
avatar
๋น„ํฌ๋งท
๊ณ ๋ชฉ
9์œ„ 1943 pts
G1nM0o
์›Œ๊ฒŒ์ž„: 20
10์œ„ 1943 pts
avatar
์™”๋‹ค..
๋ฆฌ์•ก์…˜๋ถ€์ž
11์œ„ 1943 pts
avatar
zatsu
๋Œ€ํ‘œ ์—…์  ์—†์Œ
12์œ„ 1943 pts
avatar
kam1tsur3
๋Œ€ํ‘œ ์—…์  ์—†์Œ
13์œ„ 1943 pts
ReverserInThirties
๋Œ€ํ‘œ ์—…์  ์—†์Œ
14์œ„ 1943 pts
shielder
๋Œ€ํ‘œ ์—…์  ์—†์Œ
15์œ„ 1614 pts
avatar
DA2RIM
๋ฆฌ๋ฒ„์‹ฑ ์กธ์—…

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
G0RiyA
2235
273
Diamond II
qpal
1994
140
Platinum II
avatar
keymoon
2263
162
Diamond II
wy
1623
Gold II
avatar
posix
1969
342
Platinum II
roaris
1968
177
Platinum II
mojashi
1800
251
Platinum III
avatar
๋น„ํฌ๋งท
1974
128
Platinum II
G1nM0o
1890
281
Platinum III
avatar
์™”๋‹ค..
1729
185
Gold I
avatar
zatsu
2105
91
Diamond III
avatar
kam1tsur3
1939
158
Platinum II
ReverserInThirties
1657
206
Gold II
shielder
2009
139
Platinum I
avatar
DA2RIM
1949
114
Platinum II
jirabbit
1826
109
Platinum III
avatar
Rootsquare
1896
168
Platinum III
avatar
ei_dolon
1624
205
Gold II
avatar
S_generat0r
1893
125
Platinum III
zetacode
1843
229
Platinum III
PieCer
1952
109
Platinum II
Echo
1593
130
Gold III
nnnndpd
1411
243
Silver I
avatar
junan
1570
Gold III
avatar
Predic
1683
124
Gold II
wxx
1574
196
Gold III
avatar
์ด๋ผ๋ˆ„
1764
106
Gold I
avatar
5unsetpowerln
1913
63
Platinum II
c0met
1743
91
Gold I
fr0m1s9
1556
Gold III
Season 7
Dreamhack CTF Season 7 Round #5 (๐ŸšฉDiv1)
์ผ์‹œ
2025.03.08. 09:00:00
~ 2025.03.08. 23:59:59
447
๋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.