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;
content:"/roundcube/result.php"; bsize:21; 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:1;
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 2022_07_19, reviewed_at 2024_12_11;
)