PAL.C.T MINI SHELL
description = [[
Checks whether or not a server is running the SMBv2 protocol.
]]
---
--@usage
-- nmap --script smbv2-enabled.nse -p445 <host>
-- sudo nmap -sU -sS --script smbv2-enabled.nse -p U:137,T:139 <host>
--
--@output
-- Host script results:
-- |_ smb-v2-enabled: Server supports SMBv2 protocol
--
-- Host script results:
-- |_ smb-v2-enabled: Server doesn't support SMBv2 protocol
author = "Ron Bowes"
copyright = "Ron Bowes"
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
categories = {"default", "safe"}
require 'msrpc'
require 'smb'
require 'stdnse'
hostrule = function(host)
return smb.get_port(host) ~= nil
end
local function go(host)
local status, smbstate, result
local dialects = { "NT LM 0.12", "SMB 2.002", "SMB 2.???" }
local overrides = {dialects=dialects}
status, smbstate = smb.start(host)
if(not(status)) then
return false, "Couldn't start SMB session: " .. smbstate
end
status, result = smb.negotiate_protocol(smbstate, overrides)
if(not(status)) then
if(string.find(result, "SMBv2")) then
return true, "Server supports SMBv2 protocol"
end
return false, "Couldn't negotiate protocol: " .. result
end
return true, "Server doesn't support SMBv2 protocol"
end
action = function(host)
local status, result = go(host)
if(not(status)) then
if(nmap.debugging() > 0) then
return "ERROR: " .. result
else
return nil
end
end
return result
end
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