I played ångstromCTF 2019 as a member of zer0pts. We gained 3730pts totally and got 8th place. I learned so many things from all the challenges. Thanks to all the admins! [Rev 130pts] Icthyo [Crypto 100pts] Paint [Crypto 120pts]Secret Shee…

I played ASIS CTF Quals 2019 as a member of insecure. We got 224 pts and reached 88th place. Thanks to all the admins for the great competition. [Coding 67pts(78 Solves)] Flag collision [Crypto 44pts(135 Solves)] A delicious soup I wanted …

CPCTF 2019に参加していました。最終的に8100点で3位でした。嬉しいです。全ての問題のwriteupを書くのは大変なので、面白かった問題や回答数の少ない問題についてのwriteupをします。 [Crypto 300]worm_eaten [Crypto 300]SHAII_we_collide? [Binary 300]fa…

I played PlaidCTF 2019 as a member of insecure. Our team got 261pts and reached the 116th place. I don't feel it's a good result. All the challenges I tried were very difficult but also a lot of fun. [Misc 10pts(368 solves)] docker [Misc 1…

I attended Sunshine CTF 2019 as a member of zer0pts. We came in the 10th place with 3255 points at the end of the CTF. I regret that I gave up to solve challenges during the competition. I solved only two scripting challenges. I'm going to…