alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING HTTP POST Contains Only Password (cf) 2021-04-05"; flow:established,to_server; http.method; content:"POST"; http.host; content:".cf"; isdataat:!1,relative; http.request_body; content:"password="; nocase; startswith; fast_pattern; content:!"&"; distance:0; classtype:credential-theft; sid:2032474; rev:3; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2021_04_05, deployment Perimeter, confidence Medium, signature_severity Major, tag Phishing, updated_at 2024_04_13;)