52 lines
1.4 KiB
Lua
52 lines
1.4 KiB
Lua
local os = require "os"
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local datetime = require "datetime"
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local smb = require "smb"
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local stdnse = require "stdnse"
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local smb2 = require "smb2"
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description = [[
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Attempts to obtain the current system date and the start date of a SMB2 server.
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]]
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---
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-- @usage nmap -p445 --script smb2-time <target>
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--
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-- @output
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-- Host script results:
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-- | smb2-time:
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-- | date: 2017-07-28 03:06:34
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-- |_ start_date: 2017-07-20 09:29:49
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--
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-- @xmloutput
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-- <elem key="date">2017-07-28 03:07:57</elem>
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-- <elem key="start_date">2017-07-20 09:29:49</elem>
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---
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author = "Paulino Calderon <calderon()websec.mx>"
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license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
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categories = {"discovery", "safe", "default"}
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hostrule = function(host)
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return smb.get_port(host) ~= nil
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end
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action = function(host,port)
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local smbstate, status
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local output = stdnse.output_table()
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status, smbstate = smb.start(host)
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status = smb2.negotiate_v2(smbstate)
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if status then
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datetime.record_skew(host, smbstate.time, os.time())
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stdnse.debug2("SMB2: Date: %s (%s) Start date:%s (%s)",
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smbstate['date'], smbstate['time'],
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smbstate['start_date'], smbstate['start_time'])
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output.date = smbstate['date']
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output.start_date = smbstate['start_date']
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return output
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else
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stdnse.debug2("Negotiation failed")
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return "Protocol negotiation failed (SMB2)"
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end
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end
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