75 lines
1.9 KiB
Ruby
75 lines
1.9 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::SNMPClient
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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include SNMP
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def initialize
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super(
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'Name' => 'SNMP Windows Username Enumeration',
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'Description' => '
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This module will use LanManager/psProcessUsername OID values to
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enumerate local user accounts on a Windows/Solaris system via SNMP
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',
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'Author' => ['tebo[at]attackresearch.com'],
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'License' => MSF_LICENSE
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)
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end
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def run_host(ip)
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peer = "#{ip}:#{rport}"
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begin
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snmp = connect_snmp
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sys_desc = snmp.get_value('sysDescr.0')
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if sys_desc.blank? || sys_desc.to_s == 'Null'
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vprint_error("#{peer} No sysDescr received")
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return
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end
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sys_desc = sys_desc.split(/[\r\n]/).join(' ')
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sys_desc_map = {
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/Windows/ => '1.3.6.1.4.1.77.1.2.25',
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/Sun/ => '1.3.6.1.4.1.42.3.12.1.8'
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}
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matching_oids = sys_desc_map.select { |re, _| sys_desc =~ re }.values
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if matching_oids.empty?
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vprint_warning("#{peer} Skipping unsupported sysDescr: '#{sys_desc}'")
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return
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end
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users = []
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matching_oids.each do |oid|
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snmp.walk(oid) do |row|
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row.each { |val| users << val.value.to_s }
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end
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end
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unless users.empty?
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users.sort!
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users.uniq!
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print_good("#{peer} Found #{users.size} users: #{users.join(', ')}")
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end
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report_note(
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host: rhost,
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port: rport,
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proto: 'udp',
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sname: 'snmp',
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update: :unique_data,
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type: 'snmp.users',
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data: users
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)
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rescue ::SNMP::RequestTimeout, ::SNMP::UnsupportedVersion
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# too noisy for a scanner
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ensure
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disconnect_snmp
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end
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end
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end
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