alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Successful Generic Phish 2022-07-29";
flow:established,to_server;
http.request_line;
content:"POST|20|/html/signin.php|20|"; startswith; fast_pattern;
http.request_body;
content:"username="; startswith;
content:"&password="; distance:0;
content:"&signin=Sign+in"; endswith;
reference:md5,2f792e42691262b66a84a095858e3334;
classtype:credential-theft;
sid:2037871; rev:1;
metadata:attack_target Client_Endpoint, created_at 2022_07_29, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_04, reviewed_at 2024_01_02;
)