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Flying Chars
๊ณต์‹ ํ’€์ด
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10์ฝ”์ธ
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reversing
Dreamhack
10์ฝ”์ธ
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crypto
Dreamhack
10์ฝ”์ธ
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misc
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10์ฝ”์ธ
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web
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๋žญํ‚น

290 ๋ช…์ด ์ฐธ์—ฌ ์ค‘์ž…๋‹ˆ๋‹ค.
Last updated: 2025.05.09. 15:28:09
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 711 pts
avatar
LOURCODE
Dreamhack CTF โ…ฅ ์ฐธ์—ฌ
2์œ„ 711 pts
avatar
wyv3rn
๋ฌดํ”Œ ๋ฐฉ์ง€ ์œ„์›ํšŒ์žฅ
3์œ„ 711 pts
avatar
์‚ฌ์šฉ์ž
ํ•ด๊ฒฐ์‚ฌ
4์œ„ 711 pts
avatar
๐Ÿšซ
๋Œ€ํ‘œ ์—…์  ์—†์Œ
5์œ„ 711 pts
Hmin
๊ฐ•์˜ ์ˆ˜๊ฐ•: 10
6์œ„ 711 pts
Kimdy
์›Œ๊ฒŒ์ž„ ๊ณ ์ธ๋ฌผ
7์œ„ 711 pts
SKYUL
2023 Christmas CTF ์ฐธ์—ฌ
8์œ„ 711 pts
oreo
๊ฐ•์˜ ์ˆ˜๊ฐ•: 1
9์œ„ 711 pts
avatar
ssongk
2024 Invitational Contenders
10์œ„ 711 pts
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yadohyun
์„ธ๊ณ„์ˆ˜
11์œ„ 711 pts
isacaya
์›Œ๊ฒŒ์ž„ ๊ณ ์ธ๋ฌผ
12์œ„ 711 pts
name2965
์‹œ์Šคํ…œ ํ•ดํ‚น ์ž…๋ฌธ
13์œ„ 711 pts
๊น€๊น€์ด
๋Œ€ํ‘œ ์—…์  ์—†์Œ
14์œ„ 711 pts
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eunjo
Open Beta Tester
15์œ„ 711 pts
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YaPoo
๊ณต๋ถ€๋ฒŒ๋ ˆ

๊ณต์ง€์‚ฌํ•ญ 1

๊ณต์ง€์‚ฌํ•ญ NEW
2023.05.27. 13:58:04

** Notice for Flying Chars **
every letter 'C' in the flag is Upper case
every letter 'x', 's', 'o' in the flag are Lower case

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
avatar
LOURCODE
1501
115
Gold III
avatar
wyv3rn
1579
135
Gold III
ํƒˆํ‡ดํ•œ ์ด์šฉ์ž
1919
228
Platinum II
avatar
์‚ฌ์šฉ์ž
1684
317
Gold II
avatar
๐Ÿšซ
1461
166
Silver I
Hmin
1516
100
Gold III
Kimdy
1527
136
Gold III
SKYUL
1536
96
Gold III
oreo
1586
Gold III
avatar
ssongk
1551
93
Gold III
avatar
yadohyun
1588
119
Gold III
isacaya
1501
90
Gold III
name2965
1609
105
Gold II
๊น€๊น€์ด
1563
Gold III
avatar
eunjo
1606
Gold II
avatar
YaPoo
1494
97
Silver I
emfp
1454
115
Silver I
avatar
Little Stranger
1491
199
Silver I
ga1axy
1655
Gold II
avatar
๋ฐ˜์ง€์˜์ œ์™•
1605
96
Gold II
skyepodium
1520
104
Gold III
Oblivion
1436
146
Silver I
avatar
keyme
1643
85
Gold II
d3ng03
1506
86
Gold III
avatar
skysquirrel
1528
83
Gold III
p&p
1527
Gold III
avatar
d0kk2bi
1451
Silver I
yeonwookim
1442
Silver I
wkwmd
1740
45
Gold I
mjhmjh1104
1506
Gold III
Season 3
Dreamhack CTF Season 3 Round #4 (๐ŸŒฑDiv2)
์ผ์‹œ
2023.05.27. 09:00:00
~ 2023.05.27. 23:59:59
292
๋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
  • ๋ฉ”๊ฐ€๋ฐ•์Šค ๋ผ์ดํ”„ ์‹œ์–ดํ„ฐ 1์ธ์„ธํŠธ(๊ด€๋žŒ๊ถŒ1+ํŒ์ฝ˜R+์Œ๋ฃŒR)(์ฃผ์ค‘/์ฃผ๋ง)
    • ์ƒ์œ„ 1๋ช…
    • ์ถ”์ฒจ 4๋ช… (์ตœ์†Œ ํ•œ ๋ฌธ์ œ ์ด์ƒ ํ‘ผ ์ž)

์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.