ET PHISHING Possible Webmail Phishing Landing Utilizing Clearbit

Query · suricata

flow:established,to_client;
file.data;
content:"webmail"; nocase;
content:"<img src=|22|https://logo.clearbit.com/"; fast_pattern;
Raw source ET PHISHING Possible Webmail Phishing Landing Utilizing Clearbit · 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 Webmail Phishing Landing Utilizing Clearbit";
    flow:established,to_client;
    file.data;
    content:"webmail"; nocase;
    content:"<img src=|22|https://logo.clearbit.com/"; fast_pattern;
    classtype:social-engineering;
    sid:2030731; rev:2;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_08_25, deployment Perimeter, confidence Medium, signature_severity Minor, tag Phishing, updated_at 2020_08_25;
)

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