alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful Phish OWA Credentials 2022-06-20"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/office19/process-handler.php"; fast_pattern; http.request_body; content:"Email="; content:"&password="; reference:md5,02cf30398983560f6ff99f7f464a0c12; classtype:trojan-activity; sid:2037094; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_22, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_22;)