• Lecture
  • Wargame
  • Forum
  • CTF
  • Home
  • Lecture
  • Wargame
  • Forum
  • CTF
  • Featured
  • All challenges
ย  35 people are solving challenges right now!
  • Meet the custom challenge Hope Delivery v2.0 ๐Ÿ’Œ done by Dreamhack Official!ย  (1/8)
    Go to ainsetin 's Featured Challenge
    pwnable
    Description ํฌ๋ง ์ „๋‹ฌ์‚ฌ๊ฐ€ Hope Delivery ๐Ÿ“ฌ v1.0์„ ์กฐ๊ธˆ ๋” ์—…๊ทธ๋ ˆ์ด๋“œ ํ–ˆ์–ด์š”! ๋“ค๋ฆฌ๋Š” ๋ง๋กœ๋Š” ๊ธฐ๋Šฅ๋„ ์ถ”๊ฐ€๋˜๊ณ , ๋” ํŽธํ•ด์กŒ๋‹ค๋˜๋ฐ... Environmentโ€ฆ
  • Meet the custom challenge DHCC done by Dreamhack Official!ย  (1/8)
    Go to okas832 's Featured Challenge
    reversing
    Yet Another Flag Checker!
  • Meet the custom challenge passcode done by Dreamhack Official!ย  (1/8)
    Go to n1net4il 's Featured Challenge
    reversing
    ์˜ฌ๋ฐ”๋ฅธ passcode๋ฅผ ์ฐพ์•„ DH{} ํฌ๋งท์— ๋„ฃ์–ด์„œ ์ธ์ฆํ•ด์ฃผ์„ธ์š”!
  • Meet the custom challenge First-app done by Dreamhack Official!ย  (1/8)
    Go to as3617 's Featured Challenge
    web
    ๋“œ๋ฆผ์ด๊ฐ€ nodejs๋ฅผ ์‚ฌ์šฉํ•ด์„œ ์ฒ˜์Œ์œผ๋กœ ์›น์•ฑ์„ ๋งŒ๋“ค์–ด๋ดค์–ด์š”! ์ทจ์•ฝ์ ์„ ํ†ตํ•ด ํ”Œ๋ž˜๊ทธ๋ฅผ ์–ป์œผ์„ธ์š”!
  • Meet the custom challenge dreamboard v2 done by Dreamhack Official!ย  (1/8)
    Go to n1net4il 's Featured Challenge
    web pwnable
    ๋“œ๋ฆผ์ด๊ฐ€ ๊ฒŒ์‹œํŒ ์„œ๋น„์Šค๋ฅผ ๋งŒ๋“ค์—ˆ์–ด์š”! ํ˜น์‹œ ๋ถ€์ ์ ˆํ•œ ๊ธ€์ด ์žˆ๋‹ค๋ฉด, Report ๋ฒ„ํŠผ์„ ๋ˆŒ๋Ÿฌ ์‹ ๊ณ ํ•ด์ฃผ์„ธ์š”! ๋“œ๋ฆผ์ด๊ฐ€ ์™€์„œ ์ฝ์–ด๋ณธ ํ›„, ์ ์ ˆํ•œ ์กฐ์น˜๋ฅผ ์ทจํ•˜๊ฒ ๋‹ค๊ณ  ํ•˜๋„ค์š”!
  • Meet the custom challenge DreamTimerโฑ done by Dreamhack Official!ย  (1/8)
    Go to ainsetin 's Featured Challenge
    pwnable misc
    ํ‰์†Œ Thread์— ๊ด€์‹ฌ์ด ๋งŽ์•˜๋˜ ๋“œ๋ฆผ์ด๋Š” Dreamhack ๋ฌธ์ œ ์—…๋กœ๋“œ ๊ธฐ๋Šฅ ์ถ”๊ฐ€๋ฅผ ๊ธฐ๋…ํ•˜์—ฌ "DreamTimer โฑ"๋ฅผ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค.๐ŸŽ‰ ์•ˆํƒ€๊น๊ฒŒ๋„ ์ œ์ž‘๊ธฐ๊ฐ„ ๋„์ค‘์— ์ฝ”๋“œ๊ฐ€ ์—†์–ดโ€ฆ
  • Meet the custom challenge "K"rack Me done by Dreamhack Official!ย  (1/8)
    Go to okas832 's Featured Challenge
    reversing
    K-์Šคํƒ€์ผ ํฌ๋ž™๋ฏธ 1.0
  • Meet the custom challenge Dream-Image Viewer - V1 done by Dreamhack Official!ย  (1/8)
    Go to as3617 's Featured Challenge
    web
    ๋“œ๋ฆผ์ด๊ฐ€ ์‚ฌ์ง„์„ ์—…๋กœ๋“œํ•˜๋Š” ์„œ๋น„์Šค๋ฅผ ๋งŒ๋“ค์—ˆ์–ด์š”! ๋ฏธ์™„์„ฑ์ธ ์„œ๋น„์Šค์—์„œ ์ทจ์•ฝ์ ์„ ์ฐพ์•„์„œ ๋“œ๋ฆผ์ด์—๊ฒŒ ์•Œ๋ ค์ฃผ์„ธ์š”!
์ดˆ์‹ฌ์ž ์ถ”์ฒœ
์›Œ๊ฒŒ์ž„์„ ์ฒ˜์Œ ์ ‘ํ•ด๋ณด๋Š” ๋ถ„๋“ค์—๊ฒŒ ์ถ”์ฒœํ•˜๋Š” ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค.
For beginners
cookie
Views 10008 ยท Solvers 4520
web
์ฟ ํ‚ค๋กœ ์ธ์ฆ ์ƒํƒœ๋ฅผ ๊ด€๋ฆฌํ•˜๋Š” ๊ฐ„๋‹จํ•œ ๋กœ๊ทธ์ธ ์„œ๋น„์Šค์ž…๋‹ˆ๋‹ค. admin ๊ณ„์ •์œผ๋กœ ๋กœ๊ทธ์ธ์— ์„ฑ๊ณตํ•˜๋ฉด ํ”Œ๋ž˜๊ทธ๋ฅผ ํš๋“ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. Reference Introduction of Webhacking
Dreamhack
For beginners
xss-1
Views 7044 ยท Solvers 2923
web
์—ฌ๋Ÿฌ ๊ธฐ๋Šฅ๊ณผ ์ž…๋ ฅ๋ฐ›์€ URL์„ ํ™•์ธํ•˜๋Š” ๋ด‡์ด ๊ตฌํ˜„๋œ ์„œ๋น„์Šค์ž…๋‹ˆ๋‹ค. XSS ์ทจ์•ฝ์ ์„ ์ด์šฉํ•ด ํ”Œ๋ž˜๊ทธ๋ฅผ ํš๋“ํ•˜์„ธ์š”. ํ”Œ๋ž˜๊ทธ๋Š” flag.txt, FLAG ๋ณ€์ˆ˜์— ์žˆ์Šต๋‹ˆ๋‹ค. Reference Client-side Basic
Dreamhack
For beginners
simple_sqli
Views 4446 ยท Solvers 2469
web
๋กœ๊ทธ์ธ ์„œ๋น„์Šค์ž…๋‹ˆ๋‹ค. SQL INJECTION ์ทจ์•ฝ์ ์„ ํ†ตํ•ด ํ”Œ๋ž˜๊ทธ๋ฅผ ํš๋“ํ•˜์„ธ์š”. ํ”Œ๋ž˜๊ทธ๋Š” flag.txt, FLAG ๋ณ€์ˆ˜์— ์žˆ์Šต๋‹ˆ๋‹ค. Reference Server-side Basic
Dreamhack
FIRST BLOOD
์•„์ง ํ’€์ด์ž๊ฐ€ ์—†๋Š” ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค. First blood์— ๋„์ „ํ•ด๋ณด์„ธ์š”!
Posted 2 months ago.
dvpm
Views 205 ยท Solvers 0
reversing
\xf3=T=T=T=\x1e7T=T=\x1e7T=\x1e7T=T=T=T=\x1e7T=T=T=T=\x1e7T=T=T=T=T=T=T=\x1e7T=\x1e7T=T=T=\x1e7T=T=\x1e7T=T=\x1e7T=\x1e7T=T=T=\x1e7T=T=T=T=\x1e7T=\x1e7T=T=T=T=T=\x1e7T=T=\x1e7T=\x1e7T=T=\x1e7T=\x1e7T=T=\x1e7QQQQQQQ\xc3=T=T=T=T=T=\x1e7T=\x1e7T=T=T=T=T=T=\x1e7T=\x1e7T=T=\x1e7T=T=T=T=T=T=\x1e7T=\x1e7T=T=T=\x1e7T=T=T=\x1e7T=\x1e7T=\x1e7T=\x1e7T=T=T=\x1e7T=T=T=\x1e7T=T=T=T=T=QQQQQQ\xc3=T=\x1e7T=\x1e7T=T=T=\x1e7T=\x1e7T=T=T=\x1e7T=T=T=T=\x1e7T=\x1e7T=T=T=T=\x1e7T=T=T=\x1e7T=\x1e7T=T=T=T=QQQQ
y2h000123
Posted 2 months ago.
haesisi
Views 262 ยท Solvers 0
reversing
!why haesisi? ใ‰ญHใ‰ฆlใ‰ฆl
y2h000123
Posted 21 days ago.
steganography
Views 160 ยท Solvers 0
reversing
์ด๋ฏธ์ง€์— ์ˆจ๊ฒจ์ง„ ํ”Œ๋ž˜๊ทธ๋ฅผ ์ฐพ์•„์ฃผ์„ธ์š”!
y2h000123
New Challenges
์ตœ๊ทผ์— Dreamhack์— ์ถœ์ œ๋œ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค.
Posted 5 days ago.
vmallocv2
Views 38 ยท Solvers 1
reversing
์•Œ๋งž์€ ํ”Œ๋ž˜๊ทธ๋ฅผ ์ฐพ์•„์ฃผ์„ธ์š”!
y2h000123
Posted 15 days ago.
vmalloc
Views 154 ยท Solvers 1
pwnable reversing
์•Œ๋งž์€ ํ”Œ๋ž˜๊ทธ๋ฅผ ์ฐพ์•„์ฃผ์„ธ์š”! Heap chunk structure
y2h000123
Posted 21 days ago.
steganography
Views 160 ยท Solvers 0
reversing
์ด๋ฏธ์ง€์— ์ˆจ๊ฒจ์ง„ ํ”Œ๋ž˜๊ทธ๋ฅผ ์ฐพ์•„์ฃผ์„ธ์š”!
y2h000123
CTF์— ์ถœ์ œ๋œ ๋ฌธ์ œ
Dreamhack CTF์— ์ถœ์ œ๋œ ์ ์ด ์žˆ๋˜ ๋ฌธ์ œ๋“ค๋งŒ ๋ชจ์•„๋ดค์Šต๋‹ˆ๋‹ค.
GMDSOFT ์ฑ„์šฉ CTF
Case Study: Use-After-Free Vulnerability
Views 53 ยท Solvers 5
pwnable
Description ๋“œ๋ฆผ์ด๋Š” Use-After-Free ์ทจ์•ฝ์ ์„ ๊ณต๋ถ€ํ•˜๊ณ  ์žˆ์–ด์š”! ์–ด๋–ป๊ฒŒ ํ•˜๋ฉด ํ”Œ๋ž˜๊ทธ๋ฅผ ์ฐพ์„ ์ˆ˜ ์žˆ์„๊นŒ์š”? Arch: aarch64-64-little RELRO: Full RELRO Stack: Canary found NX: NX enabled PIE: PIE enabled
Dreamhack
GMDSOFT ์ฑ„์šฉ CTF
Baby Superscalar
Views 38 ยท Solvers 7
pwnable
Description ๋“œ๋ฆผ์ด๋Š” ์ž‘๊ณ  ๊ท€์—ฌ์šด single-core cpu ๋ฅผ ๊ตฌํ˜„ํ–ˆ์–ด์š”! ๋“œ๋ฆผ์ด๊ฐ€ ๋งŒ๋“  cpu๋Š” ์ •์ƒ์ ์œผ๋กœ ์ž‘๋™ํ•˜๋Š”์ง€ ํ™•์ธํ•ด์ฃผ์„ธ์š”!
Dreamhack
GMDSOFT ์ฑ„์šฉ CTF
Leg2
Views 38 ยท Solvers 15
pwnable
Description ๋“œ๋ฆผ์ด๋Š” ARM ์˜ ์„ธ๊ณ„์— ์ฒซ ๋ฐœ์„ ๋‚ด๋ฐ€์—ˆ์–ด์š”! Arch: aarch64-64-little RELRO: Full RELRO Stack: No canary found NX: NX enabled PIE: PIE enabled
Dreamhack
  • Term and conditions
  • Privacy Policy
  • FAQ
Copyright ยฉ 2019 - 2022 Theori Inc. All rights reserved.
  • ํ•œ๊ตญ์–ด
  • ๆ—ฅๆœฌ่ชž

CEO: PAK BRIAN SEJOON | Business name: ํ‹ฐ์˜ค๋ฆฌํ•œ๊ตญ | Email: dreamhack@dreamhack.io | 414, Teheran-ro, Gangnam-gu, Seoul, Republic of Korea, 5th Floor | Business registration number: 263-81-00731 | Business number: ์ œ2021-์„œ์šธ๊ฐ•๋‚จ-05520ํ˜ธ | Contact: 070-8864-1337

Copyright ยฉ 2019 - 2022 Theori Inc. All rights reserved.