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picoCTF #Forensics - Mob psycho

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■問題
Can you handle APKs? Download the android apk here.

APKファイルに対応していますか?ここからAndroid APKをダウンロードしてください。

■解き方
①unzipで解凍しつつ"flag"をキーワードとしてgrep
image.png

②flag.txtにフラグが隠されていそうなので、
 catで確認してみる。
image.png

③16進数でエンコードされているためデコードする
image.png

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