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๋Œ€ํšŒ ๋ฌธ์ œ๋ฅผ ๋ณด๋ ค๋ฉด ๋กœ๊ทธ์ธ ํ•ด ์ฃผ์„ธ์š”!
๋กœ๊ทธ์ธ

ํ’€์ด

safe way to use rand
๊ณต์‹ ํ’€์ด
crypto
Dreamhack
20์ฝ”์ธ
Advanced Calculator
๊ณต์‹ ํ’€์ด
web
Dreamhack
20์ฝ”์ธ
with my love
๊ณต์‹ ํ’€์ด
reversing
Dreamhack
20์ฝ”์ธ
cats-and-dogs
๊ณต์‹ ํ’€์ด
pwnable
Dreamhack
20์ฝ”์ธ

๋žญํ‚น

hiikunZ
wy
soon_haari
qpal
physicube
Rootsquare
B1ackCat
yuseong
zetacode
c0met
4000400035003500300030002500250020002000150015001000100050050001:0001:0002:0002:0003:0003:0004:0004:0005:0005:0006:0006:0007:0007:0008:0008:0009:0009:0010:0010:0011:0011:0012:0012:0013:0013:0014:0014:00
Last updated: 2025.07.15. 20:28:46
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 3748 pts
hiikunZ
๋Œ€ํ‘œ ์—…์  ์—†์Œ
2์œ„ 2752 pts
wy
๋Œ€ํ‘œ ์—…์  ์—†์Œ
3์œ„ 1862 pts
soon_haari
์„ธ๊ณ„์ˆ˜
4์œ„ 1862 pts
qpal
๋Œ€ํ‘œ ์—…์  ์—†์Œ
5์œ„ 1841 pts
physicube
2024 Invitational Winners
6์œ„ 1841 pts
Rootsquare
๋ฐ”ํƒˆ๋ฆฌ์˜จ
7์œ„ 1841 pts
B1ackCat
๋Œ€ํ‘œ ์—…์  ์—†์Œ
8์œ„ 1841 pts
yuseong
๋Œ€ํ‘œ ์—…์  ์—†์Œ
9์œ„ 1777 pts
zetacode
๋Œ€ํ‘œ ์—…์  ์—†์Œ
10์œ„ 1777 pts
c0met
.HACK 2025 ์ฐธ๊ฐ€์ž
11์œ„ 1777 pts
4ncientH
๋Œ€ํ‘œ ์—…์  ์—†์Œ
12์œ„ 975 pts
rev4fun
2024 Invitational Contenders
13์œ„ 911 pts
์ด๋ผ๋ˆ„
2024 Invitational Contenders
14์œ„ 911 pts
leehojune
Crazy 8
15์œ„ 911 pts
j3tt
๋Œ€ํ‘œ ์—…์  ์—†์Œ

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
hiikunZ
2241
104
Diamond II
wy
2257
118
Diamond II
soon_haari
1506
200
Gold III
qpal
2130
77
Diamond III
physicube
1978
188
Platinum II
Rootsquare
2119
70
Diamond III
B1ackCat
1997
93
Platinum II
yuseong
1979
89
Platinum II
zetacode
1945
114
Platinum II
c0met
1853
100
Platinum III
4ncientH
2064
60
Platinum I
rev4fun
1582
Gold III
์ด๋ผ๋ˆ„
1818
94
Platinum III
leehojune
2075
25
Platinum I
j3tt
1569
Gold III
ํ•œ๋ฒˆ์‚ฌ๋Š”์ธ์ƒ
1810
84
Platinum III
wlswotmd
1523
174
Gold III
์™”๋‹ค..
1844
71
Platinum III
PUPU
1403
335
Silver I
n0ha
1767
90
Gold I
Hail Mary
1564
159
Gold III
๋ช…์šฑ
1790
90
Gold I
๋ฌธ๋”ฉ
2065
-42
Platinum I
swap
1629
81
Gold II
x3ric
1802
70
Platinum III
H3iND33R
1283
13
Silver III
๋ฉ€๋ฃจ
1334
3
Silver II
hackbyr0k
1257
17
Silver III
wnstkd
1274
20
Silver III
bluebeetle
1243
28
Silver III
์ข…๋ฃŒ๋œ CTF
Season 7
Dreamhack CTF Season 7 Round #11 (๐ŸšฉDiv1)
์ผ์‹œ
2025.06.07. 00:00:00
~ 2025.06.07. 14:59:59
199
๋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.