{"image_url":null,"published":"2014-08-03 19:34:26","author_url":"https://blog.hatena.ne.jp/kusano_k/","author_name":"kusano_k","provider_url":"https://hatena.blog","title":"SECCON 2014 \u30aa\u30f3\u30e9\u30a4\u30f3\u4e88\u9078\uff08\u65e5\u672c\u8a9e\uff09 Decrypt it! Write-up \u88cf\u9762","categories":["CTF"],"version":"1.0","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkusano-k.hatenadiary.com%2Fentry%2F20140803%2F1407062066\" title=\"SECCON 2014 \u30aa\u30f3\u30e9\u30a4\u30f3\u4e88\u9078\uff08\u65e5\u672c\u8a9e\uff09 Decrypt it! Write-up \u88cf\u9762 - kusano-k\u2019s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","url":"https://kusano-k.hatenadiary.com/entry/20140803/1407062066","height":"190","description":"\u8868\u306f\u3053\u3053\u3002\u6697\u53f7\u5316\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u6697\u53f7\u5316\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u4e0e\u3048\u3089\u308c\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u5fa9\u53f7\u3059\u308b\u554f\u984c\u3002\u6697\u53f7\u5316\u306e\u30b3\u30de\u30f3\u30c9\u306f $ ./crypt 1 pub.txt flag.pdf flag.bincrypt\u306b\u306f\u30d0\u30c3\u30d5\u30a1\u30fc\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u8106\u5f31\u6027\u304c\u5b58\u5728\u3059\u308b\u306e\u3067\u3001\u653b\u6483\u3057\u3066\u307f\u308b\u3002 [kusano@www10383uf Decrypt it!]$ ll total 704 -rwsr-xr-x 1 seccon seccon 13956 Aug 3 17:12 crypt -rw-rw-r-- 1 kusano kusano 701103 Aug 3 17:12 flag.pdf\u3053\u306e\u72b6\u6cc1\u3067\u3001\u4e0a\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3067crypt\u306b\u7d30\u2026","blog_title":"kusano-k\u2019s blog","type":"rich","blog_url":"https://kusano-k.hatenadiary.com/"}