Application-based fingerprinting ?

[Anders Thulin <Anders.Thulin () kiconsulting se>]

Hi!

  Fingerprinting a TCP stack seems a fairly well understood technique by
now, and there are several tools, more or less developed, for
the task: nmap, ring, ICMP-based techniques, etc.

  A recent glance over the output from a dozen different finger
servers suggests that fingerprinting might be done fairly well on
application level, too, although possibly not always as exactly as
for TCP/IP-based techniques: applications are easier to move around
than TCP stacks are.

  Have there been any attempts to explore this area further?
I've googled around, but not found anything obvious, except
for observations of some fingerprints, such as responses to
DNS SERVER_STATUS_REQUEST (a few respond with something else
than 'not implemented'), and so on.

--
Anders Thulin   anders.thulin () kiconsulting se   040-661 50 63        
Ki Consulting AB, Box 85, SE-201 20 Malmö, Sweden


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