alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Successful RoundCube Phish 2022-07-18"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:21; content:"/roundcube/result.php"; fast_pattern; http.request_body; content:"_token="; startswith; content:"&email="; distance:0; content:"&password="; distance:0; reference:md5,02f3fe49fef32e6644d0434c26503878; classtype:credential-theft; sid:2037791; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_07_19, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_26, reviewed_at 2024_12_11;)