Update README.md

Author: brianwrf

README.md

@@ -39,4 +39,6 @@ Change Logs:
 
 1. Add exploit module for Joomla 1.5 - 3.4.5 - Object Injection Remote Code Execution
 
+[!] legal disclaimer: Usage of hackUtils for attacking targets without prior mutual consent is illegal. It is the end user's responsibility to obey all applicable local, state and federal laws. Developers assume no liability and are not responsible for any misuse or damage caused by this program
+
 声明：仅作学习使用，任何人不可用于非法目的，否则后果由其本人承担!