Add support for custom executables in EXE mixin instead of generated executables. Fixes #4982.

git-svn-id: file:///home/svn/framework3/trunk@13300 4d416f70-5f16-0410-b530-b9f4589650da

lib/msf/core/exploit/exe.rb

@@ -16,6 +16,7 @@ module Exploit::EXE
 
 		register_advanced_options(
 			[
+				OptString.new( 'EXE::Custom',   [ false, 'Use custom exe instead of automatically generating a payload exe']),
 				OptString.new( 'EXE::Path',     [ false, 'The directory in which to look for the executable template' ]),
 				OptString.new( 'EXE::Template', [ false, 'The executable template file name.' ]),
 				OptBool.new(   'EXE::Inject',   [ false, 'Set to preserve the original EXE function' ]),
@@ -24,7 +25,17 @@ module Exploit::EXE
 			], self.class)
 	end
 
+	def get_custom_exe
+		puts 'here'
+		file = ::File.open(datastore['EXE::Custom'],'rb')
+		exe = file.read
+		file.close
+		exe
+	end
+
 	def generate_payload_exe(opts = {})
+		return get_custom_exe if datastore.include? 'EXE::Custom'
+
 		exe_init_options(opts)
 
 		pl = opts[:code]
@@ -50,6 +61,8 @@ module Exploit::EXE
 	end
 
 	def generate_payload_exe_service(opts = {})
+		return get_custom_exe if datastore.include? 'EXE::Custom'
+
 		exe_init_options(opts)
 
 		# NOTE: Only Windows is supported here.
@@ -67,6 +80,8 @@ module Exploit::EXE
 	end
 
 	def generate_payload_dll(opts = {})
+		return get_custom_exe if datastore.include? 'EXE::Custom'
+
 		exe_init_options(opts)
 
 		# NOTE: Only Windows is supported here.