These modules should check PID before using it

modules/post/windows/capture/keylog_recorder.rb

@@ -9,11 +9,13 @@ require 'msf/core'
 require 'rex'
 require 'msf/core/post/file'
 require 'msf/core/post/windows/priv'
+require 'msf/core/post/common'
 
 class Metasploit3 < Msf::Post
 
 	include Msf::Post::Windows::Priv
 	include Msf::Post::File
+	include Msf::Post::Common
 
 	def initialize(info={})
 		super( update_info( info,
@@ -61,10 +63,10 @@ class Metasploit3 < Msf::Post
 			when "winlogon"
 				process_migrate(datastore['CAPTURE_TYPE'],datastore['LOCKSCREEN'])
 			when "pid"
-				if datastore['PID']
+				if datastore['PID'] and has_pid?(datastore['PID'])
 					pid_migrate(datastore['PID'])
 				else
-					print_error("If capture type is pid you must provide one")
+					print_error("If capture type is pid you must provide a valid one")
 					return
 				end
 			end
@@ -124,8 +126,8 @@ class Metasploit3 < Msf::Post
 	# Method for migrating in to a PID
 	def pid_migrate(pid)
 		print_status("\tMigrating into #{pid}...")
-				session.core.migrate(pid)
-				print_status("Migration successful!")
+		session.core.migrate(pid)
+		print_status("Migration successful!")
 	end
 
 	# Method for starting the keylogger

modules/post/windows/manage/migrate.rb

@@ -7,9 +7,12 @@
 
 require 'msf/core'
 require 'rex'
+require 'msf/core/post/common'
 
 class Metasploit3 < Msf::Post
 
+	include Msf::Post::Common
+
 	def initialize(info={})
 		super( update_info( info,
 			'Name'          => 'Windows Manage Process Migration',
@@ -34,6 +37,7 @@ class Metasploit3 < Msf::Post
 	# Run Method for when run command is issued
 	def run
 		print_status("Running module against #{sysinfo['Computer']}")
+
 		server = session.sys.process.open
 		original_pid = server.pid
 		print_status("Current server process: #{server.name} (#{server.pid})")
@@ -49,7 +53,7 @@ class Metasploit3 < Msf::Post
 			target_pid = session.sys.process[datastore['NAME']]
 		end
 
-		if not target_pid
+		if not target_pid or not has_pid?(target_pid)
 			print_error("Process or PID not found")
 			return
 		end

modules/post/windows/manage/payload_inject.rb

@@ -7,9 +7,12 @@
 
 require 'msf/core'
 require 'rex'
+require 'msf/core/post/common'
 
 class Metasploit3 < Msf::Post
 
+	include Msf::Post::Common
+
 	def initialize(info={})
 		super( update_info( info,
 			'Name'          => 'Windows Manage Memory Payload Injection Module',
@@ -62,7 +65,7 @@ class Metasploit3 < Msf::Post
 		opts     = datastore['OPTIONS']
 		# Create payload
 		payload = create_payload(pay_name,lhost,lport,opts)
-		if pid == 0
+		if pid == 0 or not has_pid?(pid)
 			pid = create_temp_proc(payload)
 		end
 		if payload.arch.join =~ /64/ and client.platform =~ /x86/

modules/post/windows/manage/reflective_dll_inject.rb

@@ -7,9 +7,12 @@
 
 require 'msf/core'
 require 'rex'
+require 'msf/core/post/common'
 
 class Metasploit3 < Msf::Post
 
+	include Msf::Post::Common
+
 	def initialize(info={})
 		super( update_info( info,
 			'Name'          => 'Windows Manage Reflective DLL Injection Module',
@@ -73,7 +76,7 @@ class Metasploit3 < Msf::Post
 			return
 		end
 
-		if pid.nil? or pid == 0
+		if pid.nil? or not has_pid?(pid)
 			print_error("Invalid PID.")
 			return
 		end