alert http any any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET MALWARE Possible Bobax trojan infection"; flow:established,to_server; content:"GET"; nocase; http_method; content:"/reg|3f|u="; http_uri; content:"|26|v="; http_uri; reference:url,www.lurhq.com/bobax.html; classtype:trojan-activity; sid:2001901; rev:10; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, updated_at 2019_07_26;)