Check out our write-up to the Web-Card task featured at #CTFZone. The task itself is a kind of tribute to the XML format and contains a 0-day (as of the competition dates) as well as an unusual way to exploit XXE and a remarkable chain of vulnerabilities. link.medium.com/65hOEBkPWdb

COVID has hit #CTFZone: due to travel restrictions, we are playing on a smaller scale: one stage instead of two. Details in 2021🤐

CTFZone Paper: Trust Area Part 3. About Infra by @ramon93i7: link.medium.com/g36T2oFhs9 #CTFZone

CTFZone Paper: Trust Area Part 2. About the Client by Oleg Petrakov: link.medium.com/Ux0RPgXcs9 #CTFZone

One more write-up right now! The creators of the Android task — Trust Area, give the idea behind the task, describe the vulnerabilities and share the source code. CTFZone Paper: Trust Area Part 1. About the Backend by @BetepO_ok: link.medium.com/d0yTMdVcs9 #CTFZone

We're about to start preparations for the next #CTFZone. And for now, we’d like to share the write-up of the CTFZone 2020 cryptography task — ‘Little Knowledge’ from @rumata888, Alina Garbuz and Igor Motroni. Read the full article: medium.com/@offzone.conf/… #CTF #cryptography

Teams shellcodes compete with each other inside virtual network, trying to capture as many network nodes as possible #CTFZone

keyboard_arrow_left Previous keyboard_arrow_right Next

#CTFZone 2020 online finals will take place on April 25-26 at 12:00 PM (UTC). Duration — 24 hours. Format – Attack/Defense. Ten teams will clash for the title of CTFZone 2020 winner and a trip to @defcon CTF! See more at ctf.bi.zone

📝It’s about time to start unveiling writeups about tasks from the #CTFZone qualifying stage. The first one is dedicated to the “In the Shadows” task, and we are happy to share it with you right now: medium.com/@offzone.conf/…

How we organized the #CTFZone 2020 qualifying stage medium.com/@offzone.conf/…

#CTFZone quals is over! and.. we're (barely) going finals😎?

@_alfink_ @oooverflow @defcon @codeblue_jp @CTFZone @hxpctf @PlaidCTF The first edition of #CTFZone finals were A/D, not sure if that's still the case?

#OFFZONE #Moscow #cybersecurity #ctfzone #hacking

The final event went great! Our congratulations to the top-3 teams: 1) Bushwhackers 2) LC↯BC 3) @p4_team #offzone #ctfzone

Writeup: #CTFZone 2018 - Help Mars github.com/sibears/writeu… #ppc

Writeup: #CTFZone 2018 - Help Mars github.com/sibears/writeu… #ppc

Writeup: #CTFZone 2018 - Buggy PWN by @d87leader github.com/sibears/writeu… #pwn

Writeup: #CTFZone 2018 - PlusMinus github.com/sibears/writeu… #PPC

Exploit for #ctfzone mobile_bank ctftime.org/writeup/10489 :)

Just scored 2nd place in #zeronights #ctfzone quals. See you at the Finals in Moscow!