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easy-login
๊ณต์‹ ํ’€์ด
web
Dreamhack
20์ฝ”์ธ
dungeon-in-1983
๊ณต์‹ ํ’€์ด
reversing
Dreamhack
20์ฝ”์ธ
XOR Board
๊ณต์‹ ํ’€์ด
pwnable
Dreamhack
20์ฝ”์ธ
Textbook-DES
๊ณต์‹ ํ’€์ด
crypto
Dreamhack
20์ฝ”์ธ

๋žญํ‚น

198 ๋ช…์ด ์ฐธ์—ฌ ์ค‘์ž…๋‹ˆ๋‹ค.
Last updated: 2025.05.16. 04:53:01
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 1902 pts
์ง„์งœ์ˆ˜๋Šฅ๋๋‚ ๋•Œ๊นŒ์ง€ํ•ดํ‚น์•ˆํ•จ
๋ฆฌ๋ฒ„์‹ฑ ์ž…๋ฌธ
2์œ„ 1902 pts
Joon
์›Œ๊ฒŒ์ž„: 50
3์œ„ 1902 pts
avatar
๋‚˜๋Š”์žฌ์˜
๋Œ€ํ‘œ ์—…์  ์—†์Œ
4์œ„ 1902 pts
avatar
yadohyun
์„ธ๊ณ„์ˆ˜
5์œ„ 1902 pts
mjhmjh1104
๋Œ€ํ‘œ ์—…์  ์—†์Œ
6์œ„ 1902 pts
hurrhnn
์›Œ๊ฒŒ์ž„ ํ’€์ด: 1
7์œ„ 1902 pts
boo______
ํ”„๋ ˆ์‹œ๋งจ
8์œ„ 1902 pts
avatar
jungwngkim
๋Œ€ํ‘œ ์—…์  ์—†์Œ
9์œ„ 1902 pts
avatar
๋ฌธ๋”ฉ
First Person
10์œ„ 1902 pts
clay419
์‹œ์Šคํ…œ ํ•ดํ‚น ์ „๋ฌธ๊ฐ€
11์œ„ 1902 pts
IQtrekeR
๋Œ€ํ‘œ ์—…์  ์—†์Œ
12์œ„ 1902 pts
kwakmu18
์‹œ์Šคํ…œ ํ•ดํ‚น ์ „๋ฌธ๊ฐ€
13์œ„ 1902 pts
qwere36
Dreamhack Beta CTF ์ฐธ์—ฌ
14์œ„ 1624 pts
avatar
JJ3rry
CTF ์ดˆ๋ณด์ž
15์œ„ 1430 pts
5555555
์›Œ๊ฒŒ์ž„: 1

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
์ง„์งœ์ˆ˜๋Šฅ๋๋‚ ๋•Œ๊นŒ์ง€ํ•ดํ‚น์•ˆํ•จ
1785
168
Gold I
Joon
1430
Silver I
avatar
๋‚˜๋Š”์žฌ์˜
1486
88
Silver I
avatar
yadohyun
1765
Gold I
mjhmjh1104
1640
140
Gold II
ํƒˆํ‡ดํ•œ ์ด์šฉ์ž
1392
193
Silver II
hurrhnn
1764
109
Gold I
boo______
1497
-40
Silver I
avatar
jungwngkim
1416
Silver I
avatar
๋ฌธ๋”ฉ
1702
89
Gold I
clay419
1493
78
Silver I
IQtrekeR
1687
91
Gold II
kwakmu18
1600
113
Gold II
qwere36
1638
86
Gold II
avatar
JJ3rry
1552
79
Gold III
5555555
1711
68
Gold I
์ฃผ๋‹ค์‚ฌ
1652
148
Gold II
redler
1324
86
Silver II
Winty
1728
64
Gold I
n0ha
1485
116
Silver I
kyungjle
1680
243
Gold II
avatar
ํ™”๋‚œ ํŠœ๋ธŒ
1504
Gold III
avatar
Bu11
1490
72
Silver I
avatar
SwollowS
1538
Gold III
avatar
SoWeGone
1563
60
Gold III
avatar
์—ฐ์–ด์ดˆ๋ฐฅ
1597
60
Gold III
r_jh0213
1651
193
Gold II
avatar
jjong22
1276
122
Silver III
avatar
thdaudgns
1340
99
Silver II
csh22101
1699
240
Gold II
Season 5
Dreamhack CTF Season 5 Round #8 (๐ŸŒฑDiv2)
์ผ์‹œ
2024.04.20. 09:00:00
~ 2024.04.20. 23:59:59
214
๋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
  • ๋“œ๋ฆผํ•ต ๊ตฟ์ฆˆ(๋ชจ์ž)
    • ์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.