2024でupsolveしなかったけど絶対にした方が良かった問題 htmlsandbox (Sekai CTF) srcdocs-memo(Idek CTF) Private browsing (HITCON) Bluenote (Blue water CTF) 他に何かあったかな〜

We would like to announce SekaiCTF 2024 Writeup Prize Winners: [ ] Cash Prize Winners: 1. toxicpie (${cystick}): PPC – Railgun cdn.toxicpie.tw/ctfs/sekai-c… 2. @Soreat_u: Blockchain – ZOO blog.soreatu.com/posts/write… 3. 7rocky (ICAI Cyber Team): Crypto – はやぶさ 7rocky.github.io/en/ctf/othe… 4. w0rr1or (Darksid3rs): Blockchain – Play to Earn medium.com/@MaanVader/sekai-… 5. bawolff: Web – htmlsandbox blog.bawolff.net/2024/09/sek… 6. sogun3 (shellphish): Reverse – Magnum Opus github.com/trinityhall49/wri… 7. samuzora (slight_smile): Pwn – speedpwn samuzora.com/posts/sekai-202… 8. obfuscat (organizers): Reverse – Secure Computing github.com/Pusty/writeups/tr… [ ] HTB 6-month VIP Winners: 1. 0xalessandro : Web – htmlsandbox 0xalessandro.github.io/posts… 2. _saccharide (r4kapig): Blockchain – イベント！ github.com/Saccharide/solang… 3. fexsped (The_NSA): Reverse – Crack Me fexsec.net/variousctfs/crack… This also marks the conclusion of SekaiCTF 2024. Once again, thanks everyone for playing. See you next year!

Here's my author writeup for htmlsandbox from SekaiCTF blog.ankursundara.com/htmlsa… - a parsing differential in streamed vs non-streamed HTML

I wrote the web challenge "htmlsandbox" for SekaiCTF! Try it out: ctf.sekai.team/challenges#ht…

#HTMLSandbox by @thewaytozion inspired by @samthing_phone Wallpaper by @alex2clemente Mockup @mizframa #INNOVATION @Attairdu57slm @kleinmone @_am80ma_ @jesse0166 @uhoffi09 @fedepersiani

#HTMLSandbox by @thewaytozion inspired by @samthing_phone Mockup @mizframa #INNOVATION @Attairdu57slm @kleinmone @_am80ma_ @jesse0166 @uhoffi09 @fedepersiani

#HTMLSandbox by @thewaytozion inspired by @noir_arts and @RheinlandMike Mockup @mizframa #INNOVATION @Attairdu57slm @kleinmone @_am80ma_ @jesse0166 @uhoffi09 @fedepersiani

#HTMLSandbox by @thewaytozion @kleinmone @Attairdu57slm Mockup By @screenshot_pro

#HTMLSandbox by @thewaytozion Wall: credits where due Mockup By @screenshot_pro

#Kalm on iOS 17 with adaptive font color #HTMLSandbox by @thewaytozion RSS #Widgy by me Mockup By @screenshot_pro iOS no Date glitch by @_am80ma_ @Attairdu57slm @kleinmone

…day and night Version with adaptive text color 💚💜 #HTMLSandbox @thewaytozion @kleinmone @Attairdu57slm Mockup By @mizframa #INNOVATION

guess who’s coming…? 💚🐸 #HTMLSandbox #Widgy @thewaytozion @kleinmone @Attairdu57slm Mockup By @SMPRO Overlay by @kleinmone (little edit) #INNOVATION

guess who’s coming…? 💚🐸 #HTMLSandbox #Widgy @thewaytozion @kleinmone @Attairdu57slm Mockup By @SMPRO #INNOVATION

Today weather & weekly Calendar combined #HTMLSandbox #Widgy @thewaytozion @kleinmone @Attairdu57slm Mockup By @SMPRO #INNOVATION

Today new weekly Calendar… #HTMLSandbox #Widgy @thewaytozion @kleinmone @Attairdu57slm Mockup By @SMPRO #INNOVATION

Today… #HTMLSandbox #Widgy @thewaytozion @kleinmone @Attairdu57slm Wallpaper: Credits where due Mockup By @SMPRO #INNOVATION @_am80ma_ @uhoffi09 @jesse0166 @Jkauf55 @fedepersiani @Kristen1Su #ios17

Today… #HTMLSandbox #Widgy @thewaytozion @kleinmone @Attairdu57slm Wallpaper: Credits where due Mockup By @SMPRO #INNOVATION @_am80ma_ @uhoffi09 @jesse0166 @Jkauf55 @fedepersiani @Kristen1Su #ios17

Today… #HTMLSandbox @thewaytozion @kleinmone @Attairdu57slm Wallpaper: Credits where due Mockup By @SMPRO #INNOVATION @_am80ma_ @uhoffi09 @jesse0166 @Jkauf55 @fedepersiani @Kristen1Su #ios17 #widgy

Today… HTMLSandbox @thewaytozion @kleinmone @Attairdu57slm Wallpaper: @noir_arts Mockup By @mizframa #INNOVATION @_am80ma_ @jesse0166 @uhoffi09 @Jkauf55 @fedepersiani @Kristen1Su #ios17.2 #widgy

Today… HTMLSandbox @thewaytozion @kleinmone @Attairdu57slm Wallpaper: @noir_arts Mockup By @mizframa #INNOVATION @_am80ma_ @jesse0166 @uhoffi09 @Jkauf55 @Kristen1Su #ios17.2 #widgy