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8bd71aaf43
I made every script follow a standard form: it starts with the id, followed by the description. The description is contained in [[ ]] delimiters. The description is in the global description variable, not in a LuaDoc comment. Other LuaDoc information such as @args and @usage follows the description in a comment. The first paragraph of each description is a a short summary of what the script does. More detailed information, if any, is given in following paragraphs. I also improved some wording and formatting in a few cases.
58 lines
1.3 KiB
Lua
58 lines
1.3 KiB
Lua
id = "Skype v2"
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description = [[
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Detects the Skype version 2 service.
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]]
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author = "Brandon Enright <bmenrigh@ucsd.edu>"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"version"}
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require "comm"
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portrule = function(host, port)
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if (port.number == 80 or
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port.number == 443 or
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port.service == nil or
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port.service == "" or
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port.service == "unknown")
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and port.protocol == "tcp"
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and port.state == "open"
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and port.service ~= "http"
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and port.service ~= "ssl/http"
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then
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return true
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else
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return false
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end
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end
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action = function(host, port)
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local status, result = comm.exchange(host, port, "GET / HTTP/1.0\r\n\r\n", {bytes=26, proto=port.protocol})
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if (not status) then
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return
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end
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if (result ~= "HTTP/1.0 404 Not Found\r\n\r\n") then
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return
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end
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-- So far so good, now see if we get random data for another request
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status, result = comm.exchange(host, port, "random data\r\n\r\n", {bytes=15, proto=port.protocol})
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if (not status) then
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return
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end
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if string.match(result, "[^%s!-~].*[^%s!-~].*[^%s!-~]") then
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port.version.name = "skype2"
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port.version.product = "Skype"
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port.version.confidence = 10
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port.version.fingerprint = nil
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nmap.set_port_version(host, port, "hardmatched")
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return
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-- return "Skype v2 server detected"
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end
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return
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end
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