alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful American First CU Credential Phish 2023-01-03"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.cookie; content:"dtCookie="; content:"rxVisitor="; http.request_body; content:"usid="; startswith; fast_pattern; content:"&psid="; distance:0; reference:md5,a741116a4de435f99cd8bd60be82435c; classtype:trojan-activity; sid:2043201; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_01_03, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_03;)