77 lines
2.2 KiB
Ruby
77 lines
2.2 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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# Exploit mixins should go first
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include Msf::Exploit::Remote::Tcp
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# Scanner mixin should be near last
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include Msf::Auxiliary::Scanner
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include Msf::Auxiliary::Report
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# Aliases for common classes
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SIMPLE = Rex::Proto::SMB::SimpleClient
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XCEPT = Rex::Proto::SMB::Exceptions
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CONST = Rex::Proto::SMB::Constants
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def initialize
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super(
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'Name' => 'SMBv1 Protocol Detection',
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'Description' => 'Detect systems that support the SMBv1 protocol',
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'Author' => 'Chance Johnson @loftwing',
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'License' => MSF_LICENSE
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)
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register_options([ Opt::RPORT(445) ])
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end
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# Modified from smb2 module by @hdm
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# Fingerprint a single host
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def run_host(ip)
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begin
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connect
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# Only accept NT LM 0.12 dialect and WfW3.0
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dialects = ['PC NETWORK PROGRAM 1.0',
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'LANMAN1.0',
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'Windows for Workgroups 3.1a',
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'LM1.2X002',
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'LANMAN2.1',
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'NT LM 0.12']
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data = dialects.collect { |dialect| "\x02" + dialect + "\x00" }.join('')
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pkt = Rex::Proto::SMB::Constants::SMB_NEG_PKT.make_struct
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pkt['Payload']['SMB'].v['Command'] = Rex::Proto::SMB::Constants::SMB_COM_NEGOTIATE
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pkt['Payload']['SMB'].v['Flags1'] = 0x08
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pkt['Payload']['SMB'].v['Flags2'] = 0xc801
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pkt['Payload'].v['Payload'] = data
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pkt['Payload']['SMB'].v['ProcessID'] = rand(0x10000)
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pkt['Payload']['SMB'].v['MultiplexID'] = rand(0x10000)
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sock.put(pkt.to_s)
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res = sock.get_once
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# expecting \xff instead of \xfe
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if res && res.index("\xffSMB")
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print_good("#{ip} supports SMBv1 dialect.")
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report_note(
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host: ip,
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proto: 'tcp',
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sname: 'smb1',
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port: rport,
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type: "supports SMB 1"
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)
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end
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rescue ::Rex::ConnectionError
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rescue EOFError
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rescue Errno::ECONNRESET
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rescue ::Exception => e
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print_error("#{rhost}: #{e.class} #{e} #{e.backtrace}")
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ensure
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disconnect
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end
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end
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end
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