alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE SuperFish CnC Beacon 1"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/set.php?ID="; depth:12; content:"&Action="; distance:0; http.header_names; content:!"User-Agent|0d 0a|"; content:!"Accept"; content:!"Referer|0d 0a|"; reference:url,blog.erratasec.com/2015/02/extracting-superfish-certificate.html; reference:url,myce.com/news/lenovo-laptops-come-with-preinstalled-advertisement-injecting-adware-74290/; classtype:command-and-control; sid:2020489; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_02_20, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_05_15, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)