[tor-talk] Shodan & Hidden Services

[Alec Muffett <alec.muffett@xxxxxxxxx>]

So it turns out that Shodan - a kind of multi-protocol Google-alike search
engine for metadata and protocol headers - has indexed a bunch of Onion
sites which were configured to leak their (onion) hostnames into protocol
headers.

https://www.shodan.io/search?query=.onion%2F

This is... tragic, perhaps, and avoidable to varying extents (eg: my
proposed setup process*) but the situation also possibly presents an
opportunity for anyone who has identified addresses of sibyl/other naughty
tor-infra-impacting activity, to maybe check some logs and see if any
badly-configured onions were also hosted on the same addresses/subnets, get
some concept of what hidden services were hosted there, and what they may
have been up to?

    - alec

*
https://github.com/alecmuffett/the-onion-diaries/blob/master/basic-production-onion-server.md

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