Use include

Author: wchen-r7

modules/exploits/linux/http/symantec_web_gateway_restore.rb

@@ -75,7 +75,7 @@ def check
     uri = target_uri.path
     res = send_request_cgi({'uri' => normalize_uri(uri, 'spywall/login.php')})
 
-    if res && res.body =~ /Symantec Web Gateway/
+    if res && res.body.include?('Symantec Web Gateway')
       return Exploit::CheckCode::Detected
     end