alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Microsoft Credential Phish 2022-06-28"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/nam/Login/SubmitPage/"; startswith; fast_pattern; http.request_body; content:"Id="; content:"loginUser="; content:"passwd="; reference:md5,12ace3ae7720891eb01fdeb271dbae87; classtype:credential-theft; sid:2037213; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_29, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_29;)