Fix payload selection

lib/msf/core/exploit/powershell.rb

@@ -244,6 +244,7 @@ EOS
   def cmd_psh_payload(pay, payload_arch, opts={})
     opts[:persist] ||= datastore['Powershell::persist']
     opts[:prepend_sleep] ||= datastore['Powershell::prepend_sleep']
+    opts[:method] ||= datastore['Powershell::method']
 
     if opts[:encode_inner_payload] && opts[:encode_final_payload]
       raise RuntimeError, ":encode_inner_payload and :encode_final_payload are incompatible options"
@@ -253,7 +254,7 @@ EOS
       raise RuntimeError, ":no_equals requires :encode_final_payload option to be used"
     end
 
-    psh_payload = case datastore['PSH::method']
+    psh_payload = case opts[:method]
     when 'net'
       Msf::Util::EXE.to_win32pe_psh_net(framework, pay)
     when 'reflection'
@@ -261,7 +262,9 @@ EOS
     when 'old'
       Msf::Util::EXE.to_win32pe_psh(framework, pay)
     when 'msil'
-      raise RuntimeError, "MSIL Powershell Technique no longer exists"
+      raise RuntimeError, "MSIL Powershell method no longer exists"
+    else
+      raise RuntimeError, "No Powershell method specified"
     end
 
     # Run our payload in a while loop