alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER Joomla Component SQLi Attempt"; flow:established,to_server; http.uri; content:"option=com_"; nocase; content:"union"; nocase; distance:0; content:"select"; nocase; distance:0; content:"from"; nocase; distance:0; content:"jos_users"; distance:0; nocase; fast_pattern; classtype:web-application-attack; sid:2015984; rev:4; metadata:created_at 2012_12_05, signature_severity Major, updated_at 2020_05_08;)