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Writeups

Vernichtet
Official Writeup
reversing
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Dreamhack
20 coin
HTTP File Reader
Official Writeup
web
avatar
Dreamhack
20 coin
Quartic Curve Study
Official Writeup
crypto
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Dreamhack
20 coin
butterscotch
Official Writeup
pwnable
avatar
Dreamhack
20 coin

Ranking

243 players are participating.
Last updated: 2026.09.14. 11:16:53
Rank Score User
#1 2,481 pts
avatar
" 2024 Dreamhack Invitational Winners
#2 1,493 pts
jwp22
#3 1,493 pts
K4mang
#4 1,485 pts
Tara
#5 1,485 pts
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thdaudgns
#6 1,304 pts
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Yu_212 Crypto Veteran
#7 988 pts
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uuid-v4
#8 497 pts
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keymoon 2024 Dreamhack Invitational CHAMPION
#9 497 pts
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kakur41 Battalion
#10 497 pts
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B1ackCat [Legacy] Android
#11 497 pts
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yuseong Reversing Veteran
#12 497 pts
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h4vrut4 2026 April Fools
#13 497 pts
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qpal
#14 497 pts
c0met .HACK 2026 Attendee
#15 497 pts
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zarfix

Result

User
LP
Tier changed to
avatar
" 2024 Dreamhack Invitational Winners
1630
Gold II
jwp22
1556
183
Gold III
K4mang
2288
88
Diamond II
Tara
1900
174
Platinum II
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thdaudgns
1407
96
Silver I
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Yu_212 Crypto Veteran
2610
-15
Master
avatar
uuid-v4
1822
105
Platinum III
avatar
keymoon 2024 Dreamhack Invitational CHAMPION
2686
-61
Master
avatar
kakur41 Battalion
2067
111
Platinum I
avatar
B1ackCat [Legacy] Android
2220
37
Diamond II
avatar
yuseong Reversing Veteran
2181
37
Diamond III
avatar
h4vrut4 2026 April Fools
1755
169
Gold I
avatar
qpal
2310
-6
Diamond I
c0met .HACK 2026 Attendee
1991
59
Platinum II
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zarfix
1888
100
Platinum III
aes
1588
Gold III
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Rootsquare Battalion
2209
-2
Diamond II
tpwnd .HACK 2026 Attendee
1688
103
Gold II
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Unreal .HACK 2026 Attendee
1636
36
Gold II
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S_nowman Web Hacking Veteran
1626
198
Gold II
n0ha .HACK 2025 Attendee
1880
58
Platinum III
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문딩 First Person
2099
4
Platinum I
shpark1104 Perfect 10
1873
166
Platinum III
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를르르를 Cryptography Intro
1719
142
Gold I
avatar
5unsetpowerln
2013
15
Platinum I
avatar
rona
1816
74
Platinum III
avatar
비포맷 Ancient Tree
1969
24
Platinum II
avatar
namaek2
1463
94
Silver I
0NE
1895
39
Platinum III
avatar
uug4nax
1777
93
Gold I
Season 7
Dreamhack CTF Season 7 Round #19 (🚩Div1)
Date
2025.10.04. 09:00:00
~ 2025.10.05. 23:59:59
243 participated
Organized by
Dreamhack
Contact

https://discord.gg/dreamhackio

Time
2 days
Team size
Individual
Description

Dreamhack CTF is a regularly held competition.
Inquiries

Rules
  1. Sharing answers or solution methods among CTF participants is strictly forbidden and may result in disqualification.
  2. CTF participants must only access and attack the designated target servers.
  3. Any actions or attempts that could impact the operation of Dreamhack or the CTF servers, or disrupt the smooth conduct of the event, may also result in disqualification.
  4. During the competition, participants must not share the challenge files with anyone else.
Rewards
  • Dreamhack portable charger
    • 1 CTF Winner
    • 4 Lucky Draws (Min. 1 solve required)
Scoring

Score of each challenge is adjusted based on the number of solvers.

Flag Format

The flag format is DH{...}.

Flag Submission Threshold
Flags can be submitted once every 30 seconds per challenge.