alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful O2 Phish 2018-03-12"; flow:established,to_server; flowbits:isset,ET.genericphish; http.method; content:"POST"; http.request_body; content:"sendTo="; depth:7; nocase; content:"www.o2.co.uk"; nocase; distance:0; content:"&fu="; nocase; distance:0; classtype:credential-theft; sid:2025419; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_03_12, deployment Perimeter, confidence High, signature_severity Critical, tag Phishing, updated_at 2020_08_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)