103 lines
2.6 KiB
Ruby
103 lines
2.6 KiB
Ruby
##
|
|
# $Id$
|
|
##
|
|
|
|
##
|
|
# This file is part of the Metasploit Framework and may be subject to
|
|
# redistribution and commercial restrictions. Please see the Metasploit
|
|
# web site for more information on licensing and terms of use.
|
|
# http://metasploit.com/
|
|
##
|
|
|
|
require 'msf/core'
|
|
|
|
class Metasploit3 < Msf::Auxiliary
|
|
|
|
include Msf::Exploit::Remote::SNMPClient
|
|
include Msf::Auxiliary::Report
|
|
include Msf::Auxiliary::Scanner
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'SNMP Set Module',
|
|
'Version' => '$Revision$',
|
|
'Description' => %q{
|
|
This module, similar to snmpset tool, uses the SNMP SET request
|
|
to set information on a network entity. A OID (numeric notation)
|
|
and a value are required. Target device must permit write access.
|
|
},
|
|
'References' =>
|
|
[
|
|
[ 'URL', 'http://en.wikipedia.org/wiki/Simple_Network_Management_Protocol' ],
|
|
[ 'URL', 'http://www.net-snmp.org/docs/man/snmpset.html' ],
|
|
[ 'URL', 'http://www.oid-info.com/' ],
|
|
],
|
|
'Author' => 'Matteo Cantoni <goony[at]nothink.org>',
|
|
'License' => MSF_LICENSE
|
|
))
|
|
|
|
register_options([
|
|
OptString.new('OID', [ true, "The object identifier (numeric notation)"]),
|
|
OptString.new('OIDVALUE', [ true, "The value to set"]),
|
|
], self.class)
|
|
end
|
|
|
|
def run_host(ip)
|
|
|
|
begin
|
|
|
|
oid = datastore['OID'].to_s
|
|
oidvalue = datastore['OIDVALUE'].to_s
|
|
comm = datastore['COMMUNITY'].to_s
|
|
|
|
snmp = connect_snmp
|
|
|
|
print_status("Try to connect to #{ip}...")
|
|
|
|
# get request
|
|
check = snmp.get_value(oid)
|
|
|
|
if check.to_s =~ /Null/
|
|
check = '\'\''
|
|
end
|
|
|
|
print_status("Check initial value : OID #{oid} => #{check}")
|
|
|
|
# set request
|
|
varbind = SNMP::VarBind.new(oid,SNMP::OctetString.new(oidvalue))
|
|
resp = snmp.set(varbind)
|
|
|
|
if resp.error_status == :noError
|
|
|
|
print_status("Set new value : OID #{oid} => #{oidvalue}")
|
|
|
|
# get request
|
|
check = snmp.get_value(oid)
|
|
|
|
if check.to_s =~ /Null/
|
|
check = '\'\''
|
|
end
|
|
|
|
print_status("Check new value : OID #{oid} => #{check}")
|
|
|
|
else
|
|
print_status("#{ip} - OID not writable or does not provide WRITE access with community '#{comm}'")
|
|
end
|
|
|
|
disconnect_snmp
|
|
|
|
rescue ::SNMP::RequestTimeout
|
|
print_error("#{ip} - SNMP request timeout with community '#{comm}'.")
|
|
rescue ::Rex::ConnectionRefused
|
|
print_error("#{ip} - 'Connection Refused'")
|
|
rescue SNMP::UnsupportedVersion
|
|
print_error("#{ip} - Unsupported SNMP version specified. Select from '1' or '2c'.")
|
|
rescue ::Interrupt
|
|
raise $!
|
|
rescue ::Exception => e
|
|
print_error("#{ip} Error: #{e.class} #{e} #{e.backtrace}")
|
|
end
|
|
end
|
|
|
|
end
|