MNCTFはMacnica Networks Day 2018で行われたセキュリティチャレンジです。
競技時間は1時間半で行われました。ランキングは以下の通りです。ユーザ登録（個人情報不要）をすることで、トライすることができます。
ランキング（当日）
| No. |
名前 |
スコア |
最終解答時刻 |
| 1 | 痩せたい羊 | 721 | 2018-07-12 11:20:26 |
| 2 | graneed | 621 | 2018-07-12 10:40:16 |
| 3 | ecoha0630 | 581 | 2018-07-12 11:10:56 |
| 4 | 100373 | 561 | 2018-07-12 11:19:23 |
| 5 | yumano | 541 | 2018-07-12 11:00:27 |
| 6 | 100363 | 541 | 2018-07-12 11:11:27 |
| 7 | nanana | 541 | 2018-07-12 11:14:58 |
| 8 | んなぁ～ | 541 | 2018-07-12 11:15:06 |
| 9 | 101080 | 541 | 2018-07-12 11:21:59 |
| 10 | s-show | 541 | 2018-07-12 11:22:26 |
| 11 | nanami | 461 | 2018-07-12 11:08:01 |
| 12 | 100021 | 461 | 2018-07-12 11:21:58 |
| 13 | 100000 | 461 | 2018-07-12 11:22:30 |
| 14 | 100008 | 461 | 2018-07-12 11:24:22 |
| 15 | zzz | 381 | 2018-07-12 10:49:13 |
| 16 | 100022 | 381 | 2018-07-12 10:57:30 |
| 17 | 100316 | 381 | 2018-07-12 11:07:32 |
| 18 | 100019 | 381 | 2018-07-12 11:12:52 |
| 19 | 100277 | 381 | 2018-07-12 11:15:14 |
| 20 | 100007 | 381 | 2018-07-12 11:18:01 |
| 21 | ss4000pi | 381 | 2018-07-12 11:20:10 |
| 22 | 100055 | 381 | 2018-07-12 11:20:36 |
| 23 | Y0ss@n | 381 | 2018-07-12 11:26:43 |
| 24 | mimic | 381 | 2018-07-12 11:27:47 |
| 25 | 100043 | 381 | 2018-07-12 11:28:39 |
| 26 | 100264 | 381 | 2018-07-12 11:28:52 |
| 27 | 101468 | 381 | 2018-07-12 11:28:54 |
| 28 | 100286 | 381 | 2018-07-12 11:28:54 |
| 29 | 100404 | 341 | 2018-07-12 11:02:00 |
| 30 | 100387 | 341 | 2018-07-12 11:22:04 |
| 31 | 100328 | 321 | 2018-07-12 10:43:56 |
| 32 | 100322 | 321 | 2018-07-12 10:54:23 |
| 33 | 100368 | 321 | 2018-07-12 11:08:58 |
| 34 | 100117 | 321 | 2018-07-12 11:25:43 |
| 35 | 100331 | 301 | 2018-07-12 10:48:46 |
| 36 | 脳筋くん | 301 | 2018-07-12 10:55:42 |
| 37 | 101136_Sakana | 301 | 2018-07-12 11:18:08 |
| 38 | 100407 | 301 | 2018-07-12 11:19:13 |
| 39 | 100017 | 301 | 2018-07-12 11:19:22 |
| 40 | 101599 | 301 | 2018-07-12 11:19:51 |
| 41 | 101771 | 261 | 2018-07-12 11:14:41 |
| 42 | onion | 241 | 2018-07-12 10:32:06 |
| 43 | 100065 | 241 | 2018-07-12 11:10:17 |
| 44 | 自転車操業 | 241 | 2018-07-12 11:10:58 |
| 45 | 100393 | 241 | 2018-07-12 11:23:14 |
| 46 | p101395p | 241 | 2018-07-12 11:24:33 |
| 47 | 100321 | 241 | 2018-07-12 11:27:57 |
| 48 | sae | 201 | 2018-07-12 10:49:24 |
| 49 | 100922 | 201 | 2018-07-12 11:11:22 |
| 50 | 100169 | 201 | 2018-07-12 11:28:32 |
| 51 | 100154 | 181 | 2018-07-12 11:05:18 |
| 52 | 100162 | 181 | 2018-07-12 11:11:15 |
| 53 | turtle | 181 | 2018-07-12 11:22:30 |
| 54 | 100018 | 181 | 2018-07-12 11:27:57 |
| 55 | TMR | 141 | 2018-07-12 10:22:32 |
| 56 | 100419 | 141 | 2018-07-12 10:57:57 |
| 57 | 100353 | 141 | 2018-07-12 10:58:34 |
| 58 | 100413 | 141 | 2018-07-12 11:14:23 |
| 59 | 100329 | 141 | 2018-07-12 11:17:42 |
| 60 | 101178 | 141 | 2018-07-12 11:24:48 |
| 61 | 100925 | 101 | 2018-07-12 11:09:59 |
| 62 | さかなさま | 81 | 2018-07-12 10:30:56 |
| 63 | 100318 | 81 | 2018-07-12 10:39:54 |
| 64 | 100349 | 81 | 2018-07-12 11:05:59 |
| 65 | nanasi | 81 | 2018-07-12 11:16:42 |
| 66 | 100412 | 61 | 2018-07-12 10:34:50 |
| 67 | 100217 | 61 | 2018-07-12 10:52:21 |
| 68 | 100344 | 61 | 2018-07-12 11:00:40 |
| 69 | 100378 | 61 | 2018-07-12 11:24:48 |
| 70 | 100071_Arthur | 21 | 2018-07-12 10:05:47 |
| 71 | 100405 | 21 | 2018-07-12 10:05:55 |
| 72 | 101397 | 21 | 2018-07-12 10:49:41 |
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