{"url":"https://orangetech.hateblo.jp/entry/2017/11/07/000000","author_name":"skymay","blog_title":"\u6708\u65e5\u306f\u767e\u4ee3\u306e\u904e\u5ba2\u306b\u3057\u3066\u3002\u3002\u3002","categories":["ctf"],"published":"2017-11-07 00:00:00","provider_url":"https://hatena.blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Forangetech.hateblo.jp%2Fentry%2F2017%2F11%2F07%2F000000\" title=\"ctf\u306e\u304a\u52c9\u5f37 ksnctf #19 ZIP de kure - \u6708\u65e5\u306f\u767e\u4ee3\u306e\u904e\u5ba2\u306b\u3057\u3066\u3002\u3002\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"ctf\u306e\u304a\u52c9\u5f37 ksnctf #19 ZIP de kure","type":"rich","author_url":"https://blog.hatena.ne.jp/skymay/","version":"1.0","blog_url":"https://orangetech.hateblo.jp/","height":"190","provider_name":"Hatena Blog","image_url":null,"description":"ksnctf\u3092\u89e3\u3044\u3066\u307f\u305f ksnctf #19 ZIP de kure flag.zip\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u308b\u306e\u3067\u3068\u308a\u3042\u3048\u305a\u89e3\u7b54\u3057\u3066\u307f\u308b\u3002 unzip flag.zip Archive: flag.zip Hint: - It is known that the encryption system of ZIP is weak against known-plaintext attacks. - We employ ZIP format not for compression but for encryption. [flag.zip] flag.html password: skipping:\u2026"}