alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Browser Plugin Detect - Observed in Apple Phishing"; flow:to_server,established; urilen:10; http.method; content:"POST"; http.uri; content:"/ping.html"; http.header; content:".html?appIdKey="; http.request_body; content:"data=eyJwbHVnaW4i"; depth:17; fast_pattern; pcre:"/^data=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/i"; classtype:bad-unknown; sid:2024978; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_11_08, deployment Perimeter, confidence Medium, signature_severity Minor, tag Phishing, updated_at 2020_08_13;)