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The scripts are: - oracle-brute uses the brute and tns library to perform password guessing - oracle-enum-users attempts to determine valid Oracle user names [Patrik]
137 lines
3.5 KiB
Lua
137 lines
3.5 KiB
Lua
description = [[
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Performs password guessing against Oracle
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]]
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---
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-- @usage
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-- nmap --script oracle-brute -p 1521 --script-args oracle-brute.sid=ORCL <host>
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--
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-- @output
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-- PORT STATE SERVICE REASON
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-- 1521/tcp open oracle syn-ack
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-- | oracle-brute:
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-- | Accounts
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-- | system:powell => Account locked
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-- | haxxor:haxxor => Login correct
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-- | Statistics
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-- |_ Perfomed 157 guesses in 8 seconds, average tps: 19
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--
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-- Summary
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-- -------
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-- x The Driver class contains the driver implementation used by the brute
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-- library
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--
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-- @args oracle-brute.sid the instance against which to perform password
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-- guessing
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--
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--
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-- Version 0.2
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-- Created 07/12/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
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-- Revised 07/23/2010 - v0.2 - added script usage and output and
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-- - oracle-brute.sid argument
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author = "Patrik Karlsson"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"intrusive", "auth"}
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require 'shortport'
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require 'brute'
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require 'tns'
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portrule = shortport.port_or_service(1521, "oracle-tns", "tcp", "open")
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Driver =
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{
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new = function(self, host, port)
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local o = {}
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setmetatable(o, self)
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self.__index = self
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o.host = host
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o.port = port
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return o
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end,
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--- Connects performs protocol negotiation
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--
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-- @return true on success, false on failure
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connect = function( self )
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local status, data
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self.helper = tns.Helper:new( self.host, self.port, nmap.registry.args['oracle-brute.sid'] )
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status, data = self.helper:Connect()
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if ( not(status) ) then
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return status, data
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end
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return true
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end,
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--- Attempts to login to the Oracle server
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--
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-- @param username string containing the login username
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-- @param password string containing the login password
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-- @return status, true on success, false on failure
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-- @return brute.Error object on failure
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-- brute.Account object on success
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login = function( self, username, password )
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local status, data = self.helper:Login( username, password )
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if ( status ) then
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return true, brute.Account:new(username, password, "OPEN")
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-- Check for account locked message
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elseif ( data:match("ORA[-]28000") ) then
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return true, brute.Account:new(username, password, "LOCKED")
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-- check for any other message
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elseif ( data:match("ORA[-]%d+")) then
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stdnse.print_debug(3, "username: %s, password: %s, error: %s", username, password, data )
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return false, brute.Error:new(data)
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-- any other errors are likely communication related, attempt to re-try
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else
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local err = brute.Error:new(data)
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err:setRetry(true)
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return false, err
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end
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return false, brute.Error:new( data )
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end,
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--- Disconnects and terminates the Oracle TNS communication
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disconnect = function( self )
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self.helper:Close()
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end,
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--- Perform a connection with the helper, this makes sure that the Oracle
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-- instance is correct.
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--
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-- @return status true on success false on failure
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-- @return err containing the error message on failure
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check = function( self )
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local helper = tns.Helper:new( self.host, self.port, nmap.registry.args['oracle-brute.sid'] )
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local status, err = helper:Connect()
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if( status ) then
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helper:Close()
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return true
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end
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return false, err
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end,
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}
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action = function(host, port)
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local status, result
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local engine = brute.Engine:new(Driver, host, port )
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if ( not( nmap.registry.args['oracle-brute.sid'] ) and not( nmap.registry.args['tns.sid'] ) ) then
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return "ERROR: Oracle instance not set (see oracle-brute.sid or tns.sid)"
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end
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status, result = engine:start()
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return result
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end |