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pwnable
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๋žญํ‚น

226๋ช…์ด ์ฐธ์—ฌํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
Last updated: 2024.05.22. 03:41:24
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 3699 pts
G0RiyA
Dreamhack Beta CTF 2์œ„
2์œ„ 2833 pts
avatar
ks
CTF First Place
3์œ„ 2707 pts
avatar
worst reverse engineer
CTF First Place
4์œ„ 2707 pts
avatar
ainsetin
Open Beta Tester
5์œ„ 1858 pts
toffeenutt
๋Œ€ํ‘œ ์—…์  ์—†์Œ
6์œ„ 1841 pts
Joon
์›Œ๊ฒŒ์ž„: 50
7์œ„ 1841 pts
avatar
IRev
2023 Christmas CTF ์ฐธ์—ฌ
8์œ„ 1732 pts
account
๋Œ€ํ‘œ ์—…์  ์—†์Œ
9์œ„ 1732 pts
dlfksn
๋Œ€ํ‘œ ์—…์  ์—†์Œ
10์œ„ 992 pts
avatar
hakid29
CTF Second Place
11์œ„ 975 pts
rev4fun
CTF Second Place
12์œ„ 866 pts
sugi
๋Œ€ํ‘œ ์—…์  ์—†์Œ
13์œ„ 866 pts
๋น„์œ 
๋Œ€ํ‘œ ์—…์  ์—†์Œ
14์œ„ 866 pts
avatar
keyme
CTF Second Place
15์œ„ 866 pts
avatar
junan
๊ณต๋ถ€๋ฒŒ๋ ˆ

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
G0RiyA
2777
377
Grandmaster
avatar
ks
2453
98
Master
avatar
worst reverse engineer
1985
200
Platinum II
avatar
ainsetin
2454
Master
toffeenutt
1615
Gold II
Joon
1642
88
Gold II
avatar
IRev
1989
104
Platinum II
account
2081
89
Platinum I
dlfksn
1938
97
Platinum II
avatar
hakid29
1961
80
Platinum II
rev4fun
1996
62
Platinum II
sugi
1838
102
Platinum III
๋น„์œ 
1575
Gold III
avatar
keyme
1910
65
Platinum II
avatar
junan
1675
74
Gold II
avatar
์—‘์Šจ
1597
86
Gold III
redler
1426
102
Silver I
avatar
Igunis
1555
88
Gold III
ํ—Œ๊ณต๋“€
1628
120
Gold II
avatar
One_
1669
77
Gold II
avatar
ssongk
1997
1
Platinum II
๋ช…์šฑ
1494
157
Silver I
avatar
mingw
1516
88
Gold III
๋‚˜์ž„
1445
116
Silver I
goldleo1
1579
250
Gold III
5555555
1759
48
Gold I
avatar
j1won
1608
81
Gold II
dandb
1615
75
Gold II
์ฃผ๋‹ค์‚ฌ
1726
74
Gold I
AAAAAAAAAAAAAAAAAA
1303
12
Silver II
Season 5
Dreamhack CTF Season 5 Round #9 (๐ŸšฉDiv1)
์ผ์‹œ
2024.05.04. 09:00:00
~ 2024.05.04. 23:59:59
226๋ช… ์ฐธ์—ฌ
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 ๊ตฟ์ฆˆ(๋ชจ์ž)
    • ์ƒ์œ„ 1๋ช…
    • ์ถ”์ฒจ 4๋ช… (์ตœ์†Œ ํ•œ ๋ฌธ์ œ ์ด์ƒ ํ•ด๊ฒฐํ•œ ์‚ฌ๋žŒ)
์ฑ„์ 

ํ•ด๋‹น CTF๋Š” ๋ฌธ์ œ ํ’€์ด์ž ์ˆ˜์— ๋”ฐ๋ผ ์ ์ˆ˜๊ฐ€ ๋ณ€ํ•˜๋Š” ์‹œ์Šคํ…œ์„ ์ฑ„์šฉํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

ํ”Œ๋ž˜๊ทธ ํ˜•์‹

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

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