alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET PHISHING Successful Greatness Credential Phish M3 (2023-11-07)";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
pcre:"/[a-z0-9]{7}\.php$/i";
http.header;
content:"Origin: null";
http.request_body;
content:"auth="; startswith;
content:"&pswd="; fast_pattern; distance:0;
reference:url,blog.talosintelligence.com/new-phishing-as-a-service-tool-greatness-already-seen-in-the-wild/;
classtype:credential-theft;
sid:2049114; rev:1;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_11_07, deployment Perimeter, confidence High, signature_severity Major, tag Phishing, updated_at 2023_11_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)