RewriteEngine On

 <IfModule mod_rewrite.c>

 RewriteCond %{HTTP_USER_AGENT} ^w3af.sourceforge.net [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} Havij [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} dirbuster [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} nikto [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} SF [OR]
 RewriteCond %{HTTP_USER_AGENT} sqlmap [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} fimap [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} nessus [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} whatweb [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} Openvas [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} jbrofuzz [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} libwhisker [NC,OR]
 RewriteCond %{HTTP_USER_AGENT} webshag [NC,OR]
 RewriteCond %{HTTP:Acunetix-Product} ^WVS
 RewriteRule ^.* http://127.0.0.1/ [R=301,L]
 </IfModule>