Class: Metasploit::Aggregator::SessionDetailService

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/metasploit/aggregator/session_detail_service.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SessionDetailService

Returns a new instance of SessionDetailService.



12
13
14
15
16
17
18
 
# File 'lib/metasploit/aggregator/session_detail_service.rb', line 12

def initialize
  @mutex = Mutex.new
  @tlv_queue = Queue.new
  @thread = create_processor
  @payloads_count = 0;
  @detail_cache = {}
end

Instance Method Details

#add_request(request, payload) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/metasploit/aggregator/session_detail_service.rb', line 20

def add_request(request, payload)
  @mutex.synchronize do
    @tlv_queue << [ request, payload ]
  end
  begin
    if @detail_cache[payload] && @detail_cache[payload]['REMOTE_SOCKET'].nil? && request.socket
      @detail_cache[payload]['REMOTE_SOCKET'] = "#{request.socket.peeraddr[3]}:#{request.socket.peeraddr[1]}"
      @detail_cache[payload]['LOCAL_SOCKET'] = "#{request.socket.addr[3]}:#{request.socket.addr[1]}"
    end
  rescue Exception
    Logger.log "error retrieving socket details"
  end
end

#eval_tlv_enc(request) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
 
# File 'lib/metasploit/aggregator/session_detail_service.rb', line 38

def eval_tlv_enc(request)
  # this is really expensive as we have to process every
  # piece of information presented from the console to eval for enc requests
  response = nil
  begin
  if request.body && request.body.length > 0
    packet = Metasploit::Aggregator::Tlv::Packet.new(0)
    packet.add_raw(request.body)
    packet.from_r
    if packet.has_tlv?(Metasploit::Aggregator::Tlv::TLV_TYPE_METHOD)
      packet_val = packet.get_tlv_value(Metasploit::Aggregator::Tlv::TLV_TYPE_METHOD)
      if packet_val == "core_negotiate_tlv_encryption"
        response = Metasploit::Aggregator::Tlv::Packet.create_response(packet)
        response.add_tlv(Metasploit::Aggregator::Tlv::TLV_TYPE_RESULT, 0)
        response
      end
    end
  end
  rescue Exception
    # any exception return nil
    Logger.log "error evaluating tlv packet"
    response = nil
  end
  response
end

#process_tlv ⇒ Object 



64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
 
# File 'lib/metasploit/aggregator/session_detail_service.rb', line 64

def process_tlv
  while true
    begin
      request, payload = @tlv_queue.pop
      if request.body && request.body.length > 0
        packet = Metasploit::Aggregator::Tlv::Packet.new(0)
        packet.add_raw(request.body)
        packet.from_r
        unless @detail_cache[payload]
          @detail_cache[payload] = { 'ID' => (@payloads_count += 1) }
        end
        if packet.has_tlv?(Metasploit::Aggregator::Tlv::TLV_TYPE_UUID)
          args = { :raw => packet.get_tlv_value(Metasploit::Aggregator::Tlv::TLV_TYPE_UUID) }
          @detail_cache[payload]['UUID'] = Metasploit::Aggregator::Tlv::UUID.new(args)
        end
        if packet.has_tlv?(Metasploit::Aggregator::Tlv::TLV_TYPE_MACHINE_ID)
          machine_id = packet.get_tlv_value(Metasploit::Aggregator::Tlv::TLV_TYPE_MACHINE_ID)
          @detail_cache[payload]['MachineID'] = Digest::MD5.hexdigest(machine_id.downcase.strip)
          _user, computer_name = machine_id.split(":")
          unless computer_name.nil?
            @detail_cache[payload]['HOSTNAME'] = computer_name
          end
        end
        if packet.has_tlv?(Metasploit::Aggregator::Tlv::TLV_TYPE_USER_NAME)
          @detail_cache[payload]['USER'] = packet.get_tlv_value(Metasploit::Aggregator::Tlv::TLV_TYPE_USER_NAME)
        end
        if packet.has_tlv?(Metasploit::Aggregator::Tlv::TLV_TYPE_COMPUTER_NAME)
          @detail_cache[payload]['HOSTNAME'] = packet.get_tlv_value(Metasploit::Aggregator::Tlv::TLV_TYPE_COMPUTER_NAME)
        end
        if packet.has_tlv?(Metasploit::Aggregator::Tlv::TLV_TYPE_OS_NAME)
          @detail_cache[payload]['OS'] = packet.get_tlv_value(Metasploit::Aggregator::Tlv::TLV_TYPE_OS_NAME)
        end

        # remove sessions that get shutdown
        if packet.has_tlv?(Metasploit::Aggregator::Tlv::TLV_TYPE_METHOD)
          packet_val = packet.get_tlv_value(Metasploit::Aggregator::Tlv::TLV_TYPE_METHOD)
          if packet_val == "core_shutdown"
            @detail_cache.delete(payload)
          end
        end
      end
    rescue Exception
      Logger.log "error processing tlv for session details"
    end
  end
end

#session_details(payload) ⇒ Object 



34
35
36
 
# File 'lib/metasploit/aggregator/session_detail_service.rb', line 34

def session_details(payload)
  @detail_cache[payload]
end