{"provider_name":"Hatena Blog","categories":["CTF","Writeup"],"provider_url":"https://hatena.blog","type":"rich","author_url":"https://blog.hatena.ne.jp/ptr-yudai/","description":"DEF CON CTF 2019 Qualfier had been held this weekend and I played this CTF with team dcua. We got 1347 in total and reached the 35th place. I enjoyed it but I'm not convinced the scoring system of speedrun challs. Anyway, the quality of the challenges I solved were pretty good. Thank you @oooverflow\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2019%2F05%2F13%2F134140\" title=\"DEF CON CTF 2019 Qualifier Writeup - CTF\u3059\u308b\u305e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"CTF\u3059\u308b\u305e","author_name":"ptr-yudai","url":"https://ptr-yudai.hatenablog.com/entry/2019/05/13/134140","version":"1.0","image_url":null,"blog_url":"https://ptr-yudai.hatenablog.com/","published":"2019-05-13 13:41:40","title":"DEF CON CTF 2019 Qualifier Writeup","width":"100%","height":"190"}