Clean up powershell exec string

RageLtMan · RageLtMan · commit 124a1531f446 · 2017-10-06T13:19:36.000-04:00
The scriptblock invocation is already coming from Rex, so there's
no need to re-wrap the executed code in more of the same.
diff --git a/lib/msf/core/payload/windows/powershell.rb b/lib/msf/core/payload/windows/powershell.rb
@@ -51,7 +51,7 @@ def generate_powershell_code(conntype)
         executionpolicy: 'bypass'
     }
     cli =  Rex::Powershell::Command.generate_psh_command_line(command_args)
-    return "#{cli} '&([scriptblock]::create(#{script})'"
+    return "#{cli} \"#{script}\""
   end
 
   def generate

Original file line number	Diff line number	Diff line change
`@@ -51,7 +51,7 @@ def generate_powershell_code(conntype)`
`51`	`51`	`executionpolicy: 'bypass'`
`52`	`52`	`}`
`53`	`53`	`cli = Rex::Powershell::Command.generate_psh_command_line(command_args)`
`54`		`- return "#{cli} '&([scriptblock]::create(#{script})'"`
	`54`	`+ return "#{cli} \"#{script}\""`
`55`	`55`	`end`
`56`	`56`
`57`	`57`	`def generate`