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ptrace_block
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Flip and Probe
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pwnable
Dreamhack
free
Exponentiation
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crypto
Dreamhack
free
ERC1337
๊ณต์‹ ํ’€์ด
web3
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๋žญํ‚น

188๋ช…์ด ์ฐธ์—ฌํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
Last updated: 2024.05.05. 08:53:20
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 3743 pts
avatar
ks
CTF First Place
2์œ„ 2745 pts
avatar
ptr-yudai-mon
๋Œ€ํ‘œ ์—…์  ์—†์Œ
3์œ„ 1832 pts
avatar
snwo
CTF First Place
4์œ„ 1809 pts
avatar
hakid29
CTF Second Place
5์œ„ 1809 pts
shpark1104
CTF Second Place
6์œ„ 1809 pts
F31dspar
CTF Third Place
7์œ„ 1770 pts
avatar
deayzl
CTF Third Place
8์œ„ 1770 pts
account
๋Œ€ํ‘œ ์—…์  ์—†์Œ
9์œ„ 1770 pts
wlswotmd
๋Œ€ํ‘œ ์—…์  ์—†์Œ
10์œ„ 975 pts
csh22101
์›Œ๊ฒŒ์ž„: 1
11์œ„ 975 pts
r_jh0213
๋Œ€ํ‘œ ์—…์  ์—†์Œ
12์œ„ 936 pts
hareh4ru
์›Œ๊ฒŒ์ž„: 50
13์œ„ 936 pts
sugi
๋Œ€ํ‘œ ์—…์  ์—†์Œ
14์œ„ 936 pts
avatar
c0w5un
๊ฐ•์˜ ์ˆ˜๊ฐ•: 10
15์œ„ 936 pts
dlfksn
๋Œ€ํ‘œ ์—…์  ์—†์Œ

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
avatar
ks
2355
140
Diamond I
avatar
ptr-yudai-mon
2393
155
Diamond I
avatar
snwo
2418
53
Master
avatar
hakid29
1881
112
Platinum III
shpark1104
1750
161
Gold I
F31dspar
1930
124
Platinum II
avatar
deayzl
2281
Diamond II
account
1992
148
Platinum II
wlswotmd
2107
58
Diamond III
csh22101
1655
136
Gold II
r_jh0213
1587
120
Gold III
hareh4ru
1819
Platinum III
sugi
1736
133
Gold I
avatar
c0w5un
1406
Silver I
dlfksn
1841
101
Platinum III
avatar
ssongk
1996
27
Platinum II
dandb
1477
Silver I
rev4fun
1934
42
Platinum II
avatar
mini_chip
1960
28
Platinum II
avatar
IRev
1885
55
Platinum III
avatar
Aplace
1951
22
Platinum II
name2965
1650
77
Gold II
avatar
DGEVY
1614
98
Gold II
avatar
J0ngBae
1850
29
Platinum III
wh1te4ever
1745
91
Gold I
avatar
Wane
1617
101
Gold II
avatar
urdekcah
1443
-23
Silver I
5555555
1643
-74
Gold II
bintable
1296
24
Silver III
double J
1259
36
Silver III
Season 5
Dreamhack CTF Season 5 Round #7 (๐ŸšฉDiv1)
์ผ์‹œ
2024.04.06. 09:00:00
~ 2024.04.06. 23:59:59
188๋ช… ์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.
๋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.