If you have a shared server or shared hosting environment, you probably know you are in a big danger and trouble! :) One of the ways hackers can play around with your server is to download some destructive script and run it through some server side program such as PHP or PERL. The main targeted directory to run these scripts from is /tmp as it is the temp directory of your server and normally each user has access to it. In another article I have explained how to check for hackers footprint in that directory or any other directory (Full Article).
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