ET PHISHING Possible Microsoft Phishing HTML Class Tag

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
file.data;
content:"|3c|html class|3d 22 20|gttiirk idc0_350|22 3e|"; fast_pattern;
target:dest_ip;
Raw source ET PHISHING Possible Microsoft Phishing HTML Class Tag · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET PHISHING Possible Microsoft Phishing HTML Class Tag";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    file.data;
    content:"|3c|html class|3d 22 20|gttiirk idc0_350|22 3e|"; fast_pattern;
    classtype:social-engineering;
    sid:2052530; rev:1;
    metadata:affected_product Any, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_09, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Low, signature_severity Major, updated_at 2024_05_09;
    target:dest_ip;
)

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