alert http $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET PHISHING TA399/Sidewinder Credential Phish Landing Page M3 2022-11-18";
flow:established,to_client;
http.stat_code;
content:"200";
file.data;
content:"Zimbra";
content:"mail.ntc.net.pk/download/document/"; distance:0; fast_pattern;
content:"session/sign in/"; distance:0;
classtype:credential-theft;
sid:2039812; rev:2;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_11_18, deployment Perimeter, malware_family Sidewinder, confidence Medium, signature_severity Major, tag TA399, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_10_23;
)