Dreamhack CTF Season 7 Round #19 (🚩Div1)

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Writeups

Vernichtet

Official Writeup

reversing

20 coin

HTTP File Reader

Official Writeup

web

20 coin

Quartic Curve Study

Official Writeup

crypto

20 coin

butterscotch

Official Writeup

pwnable

20 coin

Ranking

244 players are participating.

Last updated: 2026.02.19. 15:10:01

Rank	Score	User
#1	2468 pts	"
#2	1480 pts	jwp22
#3	1480 pts	4ncientH
#4	1472 pts	Tara
#5	1472 pts	thdaudgns
#6	1291 pts	Yu_212
#7	988 pts	dduicoder
#8	484 pts	keymoon
#9	484 pts	kakur41
#10	484 pts	B1ackCat
#11	484 pts	yuseong
#12	484 pts	h4vrut4
#13	484 pts	qpal
#14	484 pts	c0met
#15	484 pts	zarfix

Result

User

Tier changed to

1630

Gold II

1556

183

Gold III

2288

Diamond II

1900

174

Platinum II

1407

Silver I

2610

-15

Master

1822

105

Platinum III

2686

-61

Master

2067

111

Platinum I

2220

Diamond II

2181

Diamond III

1755

169

Gold I

2310

-6

Diamond I

1991

Platinum II

1888

100

Platinum III

1588

Gold III

2209

-2

Diamond II

1688

103

Gold II

1636

Gold II

1626

198

Gold II

1880

Platinum III

2099

Platinum I

1873

166

Platinum III

1719

142

Gold I

2013

Platinum I

1816

Platinum III

1969

Platinum II

1463

Silver I

1895

Platinum III

1777

Gold I

Season 7

Dreamhack CTF Season 7 Round #19 (🚩Div1)

Date

2025.10.04. 09:00:00

~ 2025.10.05. 23:59:59

244 participated

Organized by

Dreamhack

Time

2 days

Team size

Individual

Description

Dreamhack CTF is a regularly held competition.
Inquiries

Visit #dh-ctf-season7 channel on the Official Dreamhack Discord Server

Rules

Sharing answers or solution methods among CTF participants is strictly forbidden and may result in disqualification.
CTF participants must only access and attack the designated target servers.
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.
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.