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仙台CTF 2017 [Lab01] プロキシログの調査 100

Last updated at Posted at 2019-10-19

問題

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解いてみた

問題のファイルを見てみると一般的なログファイルでした。

image.png

grepで「c2.hacker.com」を抽出します。

image.png

1件だけだったのでこれが答えです。

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