alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful VyStar CU Credential Phish 2023-01-31"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/process.php"; endswith; http.request_body; content:"FormId="; startswith; content:"&UserNamex="; distance:0; content:"&Passwordx="; distance:0; fast_pattern; content:"&RememberMe="; distance:0; content:"&Fingerprint="; distance:0; reference:md5,9f7c7043e7f12424a0ac70b46e037ba2; classtype:credential-theft; sid:2044036; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_01_31, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_31;)