First the proxies must be configured in the config file correctly.
Pick some open proxies which use basic http auth or no auth at all. The username:password part must be omitted if not required. Make sure you use only one proxy on one line.
Now just go the directory where thedumpster.py exists and run
####Flags / Parameters
-l : The value provided here will be limit for the number of results that will be returned for your search.
-ghdb : This flag when sets prompts you to select a type of dork from GHDB dorks, which will be tested against the domain.
-ap : This flag when set asks for the possbile backend of the
web infrastructure. Then based on the backend it picks appropriate
dorks for searching.
-p : This flag allows to search for any pastebin dumps.
-a : This argument allows you to add custom search keywords. Multiple search words must be separated by comma. Eg :- intext:error,ext:sql
-r : This argument allows you to exclude search results of a
site. Multiple domain exclusion can be done by separating those domains
with a comma. Eg:- foo.bar.com,shut.bar.com
-ws : The most important flag of all. This flag allows you to
do google search which is against Google’s TOS. So author is not
responsible for your usage.
domain : This is a compulsory positional argument. Better to
provide the root domain so that all subdomains are included in search
For example if we wish to search a site example.com , for admin panels while excluding sites foo.example.com, and extra query intext:login then you can use something like this