bump ranking up, comment about crash recovery

git-svn-id: file:///home/svn/framework3/trunk@8154 4d416f70-5f16-0410-b530-b9f4589650da

modules/exploits/windows/mssql/ms09_004_sp_replwritetovarbin.rb

@@ -12,7 +12,7 @@
 require 'msf/core'
 
 class Metasploit3 < Msf::Exploit::Remote
-	Rank = AverageRanking
+	Rank = GoodRanking
 
 	include Msf::Exploit::Remote::MSSQL
 
@@ -46,6 +46,11 @@ class Metasploit3 < Msf::Exploit::Remote
 				finally execute the payload via a "jmp esp". All addresses used were found
 				within the sqlservr.exe memory space, yielding very reliable code execution
 				using only a single query.
+
+				NOTE: The MSSQL server service does not automatically restart by default. That
+				said, some exceptions are caught and will not result in terminating the process.
+				If the exploit crashes the service prior to hijacking the stack, it won't die.
+				Otherwise, it's a goner.
 			},
 			'Author'         => [ 'jduck' ],
 			'License'        => MSF_LICENSE,