alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING GOV UK Possible COVID-19 Phish 2020-04-06"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/Postcode.php?sslchannel="; fast_pattern; content:"&sessionid="; distance:0; http.request_body; content:"postcode="; depth:9; content:!"&"; distance:0; classtype:credential-theft; sid:2029849; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_04_06, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2020_11_12;)