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Google Search Dork: filetype:bak (inurl:php | inurl:asp | inurl:rb)
This one could be used to find all sorts of backup data, but this example is limited to just common webapp extensions -- -[Voluntas Vincit Omnia]- website http://www.erisresearch.org/ Google+ https://plus.google.com/u/0/114827336297709201563
filetype:bak (inurl:php | inurl:asp | inurl:rb) Google Dork Source : filetype:bak (inurl:php | inurl:asp | inurl:rb)