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="; startswith; content:"&Action="; distance:0; http.header_names; to_lowercase; content:!"|0d 0a|user-agent|0d 0a|"; content:!"|0d 0a|accept"; content:!"|0d 0a|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:5; metadata:attack_target Client_Endpoint, created_at 2015_02_20, deployment Perimeter, signature_severity Major, tag c2, updated_at 2024_04_30, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)