alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Generic Email Account Phish 2019-12-10"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".php?yasse="; fast_pattern; content:"&upw="; distance:0; content:"&hidCflag="; distance:0; http.header_names; content:!"Referer"; reference:url,isc.sans.edu/forums/diary/Phishing+with+a+selfcontained+credentialsstealing+webpage/25580/; classtype:credential-theft; sid:2029105; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_12_10, deployment Perimeter, confidence Medium, signature_severity Critical, tag Phishing, updated_at 2019_12_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)