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๋žญํ‚น

309 ๋ช…์ด ์ฐธ์—ฌ ์ค‘์ž…๋‹ˆ๋‹ค.
Last updated: 2025.05.09. 15:25:28
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 3960 pts
G0RiyA
CTF ์ดˆ๋ณด์ž
2์œ„ 2962 pts
avatar
Reinose
์›Œ๊ฒŒ์ž„: 20
3์œ„ 1980 pts
imssm99
์›Œ๊ฒŒ์ž„ ๊ณ ์ธ๋ฌผ
4์œ„ 1970 pts
avatar
snwo
2024 Invitational Contenders
5์œ„ 998 pts
avatar
soon_haari
์„ธ๊ณ„์ˆ˜
6์œ„ 992 pts
avatar
physicube
2024 Invitational Winners
7์œ„ 988 pts
ash3r
์›Œ๊ฒŒ์ž„ ๊ณ ์ธ๋ฌผ
8์œ„ 982 pts
avatar
Sechack
2024 Invitational Contenders
9์œ„ 982 pts
avatar
deayzl
์ƒˆ์‹น
10์œ„ 982 pts
avatar
Brwook
2024 Invitational Contenders
11์œ„ 0 pts
hyuunnn
์›Œ๊ฒŒ์ž„ ํ’€์ด: 20
11์œ„ 0 pts
sugarcookie
๋Œ€ํ‘œ ์—…์  ์—†์Œ
11์œ„ 0 pts
avatar
๐‘จ๐’๐’…๐’๐’
๋Œ€ํ‘œ ์—…์  ์—†์Œ
11์œ„ 0 pts
chi-mae
๋Œ€ํ‘œ ์—…์  ์—†์Œ
11์œ„ 0 pts
avatar
eumppe
๋Œ€ํ‘œ ์—…์  ์—†์Œ

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
G0RiyA
2769
77
Grandmaster
avatar
Reinose
2741
40
Master
imssm99
2609
42
Master
avatar
snwo
2439
72
Master
avatar
soon_haari
1500
211
Gold III
avatar
physicube
2015
109
Platinum I
ash3r
2044
112
Platinum I
avatar
Sechack
2373
17
Diamond I
avatar
deayzl
2225
33
Diamond II
avatar
Brwook
1868
107
Platinum III
avatar
heogi
1505
-33
Gold III
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Archan
1490
-43
Silver I
PieCer
1532
159
Gold III
magic95690
1292
Silver III
avatar
g3mr00t
1342
18
Silver II
yosimich
1297
Silver III
avatar
๋Œ€์‘
1292
Silver III
๋•…์„
1220
88
Silver III
avatar
zulloper
1735
-106
Gold I
์ •๋ณด๋ณดํ˜ธ
1292
Silver III
TTTTTarn
1272
37
Silver III
๋…ธ๋™์ž
1292
Silver III
avatar
์—ฌ๊ฐฑ
1292
Silver III
nyam1
1292
Silver III
์‚์‚์‚์‚
1292
Silver III
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Misile
1292
Silver III
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redticket
1313
Silver II
avatar
kio
1376
81
Silver II
dpp
1426
-27
Silver I
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beta
1304
Silver II
Season 3
Dreamhack CTF Season 3 Round #3 (๐ŸšฉDiv1)
์ผ์‹œ
2023.05.13. 09:00:00
~ 2023.05.13. 23:59:59
307
๋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.
๋ณด์ƒ
  • ์„ค๋น™ ๋””์ง€ํ„ธ ์ƒํ’ˆ๊ถŒ 2๋งŒ์›๊ถŒ
    • ์ƒ์œ„ 1๋ช…
    • ์ถ”์ฒจ 4๋ช… (์ตœ์†Œ ํ•œ ๋ฌธ์ œ ์ด์ƒ ํ•ด๊ฒฐํ•œ ์‚ฌ๋žŒ)

์ƒํ’ˆ ์ถ”์ฒจ์€ ๋“œ๋ฆผํ•ต ๊ณต์‹ ๋””์Šค์ฝ”๋“œ ์„œ๋ฒ„ ์˜ #dh-ctf-season3 ์ฑ„๋„์—์„œ ์ง„ํ–‰ํ•ฉ๋‹ˆ๋‹ค.

โ€ป ๋“œ๋ฆผํ•ต ๋””์Šค์ฝ”๋“œ์—์„œ ์ƒํ’ˆ ์•ˆ๋‚ด๊ฐ€ ์ด๋ฃจ์–ด์ง‘๋‹ˆ๋‹ค. ์•ˆ๋‚ด๋ฅผ ํ™•์ธํ•˜์ง€ ๋ชปํ•˜์—ฌ ์ƒํ’ˆ์„ ๋ฐ›์ง€ ๋ชปํ•˜์˜€์„ ๊ฒฝ์šฐ, ์žฌ๋ฐœ์†กํ•ด ๋“œ๋ฆฌ์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

โ€ป ๋ณด์ƒ์€ ์ƒํ™ฉ์— ๋”ฐ๋ผ ๋น„์Šทํ•œ ๊ธˆ์•ก์˜ ๋‹ค๋ฅธ ์ƒํ’ˆ์œผ๋กœ ๋ฐ”๋€” ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์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.