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๋Œ€ํšŒ ๋ฌธ์ œ๋ฅผ ๋ณด๋ ค๋ฉด ๋กœ๊ทธ์ธ ํ•ด ์ฃผ์„ธ์š”!
๋กœ๊ทธ์ธ

ํ’€์ด

note
๊ณต์‹ ํ’€์ด
pwnable
Dreamhack
20์ฝ”์ธ
Simple Login
๊ณต์‹ ํ’€์ด
web
Dreamhack
20์ฝ”์ธ
.so what?
๊ณต์‹ ํ’€์ด
reversing
Dreamhack
20์ฝ”์ธ
Smol PRNG
๊ณต์‹ ํ’€์ด
crypto
Dreamhack
20์ฝ”์ธ

๋žญํ‚น

G0RiyA
keymoon
ks
zatsu
Yu_212
zundamon
wlswotmd
deayzl
xrekkusu
shpark1104
35003500300030002500250020002000150015001000100050050001:0001:0002:0002:0003:0003:0004:0004:0005:0005:0006:0006:0007:0007:0008:0008:0009:0009:0010:0010:0011:0011:0012:0012:0013:0013:0014:0014:00
Last updated: 2025.06.02. 18:44:03
์ˆœ์œ„ ์ ์ˆ˜ ์‚ฌ์šฉ์ž
1์œ„ 3328 pts
G0RiyA
CTF ์ดˆ๋ณด์ž
2์œ„ 3328 pts
keymoon
2024 Invitational CHAMPION
3์œ„ 3328 pts
ks
2024 Invitational 2nd Place
4์œ„ 3328 pts
zatsu
๋Œ€ํ‘œ ์—…์  ์—†์Œ
5์œ„ 2512 pts
Yu_212
์•”ํ˜ธํ•™ ๊ณ ์ธ๋ฌผ
6์œ„ 2446 pts
zundamon
2024 Invitational Winners
7์œ„ 2362 pts
wlswotmd
2024 Invitational Winners
8์œ„ 2362 pts
deayzl
์ƒˆ์‹น
9์œ„ 2362 pts
xrekkusu
2024 Invitational Contenders
10์œ„ 1630 pts
shpark1104
Perfect 10
11์œ„ 1546 pts
๊ตฐ์ธ๊น€๋„ํ˜„
Crazy 8
12์œ„ 1480 pts
Sechack
2024 Invitational Contenders
13์œ„ 1480 pts
p0-tato
๋ฆฌ์•ก์…˜๋ถ€์ž
14์œ„ 966 pts
boo______
ํ”„๋ ˆ์‹œ๋งจ
15์œ„ 882 pts
xavi
๋Œ€ํ‘œ ์—…์  ์—†์Œ

๊ณต์ง€์‚ฌํ•ญ 1

๊ณต์ง€์‚ฌํ•ญ NEW
2024.07.06. 08:48:35

ํ˜„์žฌ ๋ฌธ์ œ ์ ์ˆ˜ ์„ค์ •์— ์ด์ƒ์ด ์žˆ์–ด ์ˆ˜์ • ์ค‘์ž…๋‹ˆ๋‹ค. ์ด์ „๊ณผ ๊ฐ™์ด 1000์ ์—์„œ ์‹œ์ž‘ํ•˜๋Š” ๋‹ค์ด๋‚˜๋ฏน ์Šค์ฝ”์–ด๋ง์œผ๋กœ ์กฐ์ •๋ฉ๋‹ˆ๋‹ค.

๊ฒฐ๊ณผ

์‚ฌ์šฉ์ž
LP
๋ณ€๋™๋œ ํ‹ฐ์–ด
G0RiyA
1629
Gold II
keymoon
1623
Gold II
ks
1616
Gold II
zatsu
1609
Gold II
Yu_212
1603
Gold II
zundamon
1596
Gold III
wlswotmd
1590
Gold III
deayzl
1583
Gold III
xrekkusu
1577
Gold III
shpark1104
1571
Gold III
๊ตฐ์ธ๊น€๋„ํ˜„
1566
Gold III
Sechack
1560
Gold III
p0-tato
1555
Gold III
boo______
1549
Gold III
xavi
1544
Gold III
logiciris
1539
Gold III
ngductung
1534
Gold III
mingw
1530
Gold III
One_
1525
Gold III
rest
1521
Gold III
sugi
1516
Gold III
์™”๋‹ค..
1512
Gold III
OJingA
1508
Gold III
RTV
1504
Gold III
Venus
1500
Gold III
ssongk
1496
Silver I
J0ngBae
1492
Silver I
K0n9
1488
Silver I
์ด๋ผ๋ˆ„
1484
Silver I
yorix ahh
1481
Silver I
์ข…๋ฃŒ๋œ CTF
Season 6
Dreamhack CTF Season 6 Round #1 (๐ŸšฉDiv1)
์ผ์‹œ
2024.07.06. 00:00:00
~ 2024.07.06. 14:59:59
218
๋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.
  4. ๋Œ€ํšŒ๊ฐ€ ์ง„ํ–‰๋˜๋Š” ๋™์•ˆ ๋ฌธ์ œ ํŒŒ์ผ์„ ๋‹ค๋ฅธ ์‚ฌ๋žŒ๊ณผ ๊ณต์œ ํ•˜๋ฉด ์•ˆ๋ฉ๋‹ˆ๋‹ค.
๋ณด์ƒ
  • ๋‹ทํ•ต ํ‹ฐ์…”์ธ 
    • ์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.