ET PHISHING Microsoft Account Login Hosted on Firebasestorage

Query · suricata

flow:established,to_client;
http.header;
content:"X-GUploader-UploadID|3a 20|";
content:"|0d 0a|x-goog-";
file.data;
content:"<title>Sign in to your Microsoft account</title>"; fast_pattern;
Raw source ET PHISHING Microsoft Account Login Hosted on Firebasestorage · Suricata
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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 Microsoft Account Login Hosted on Firebasestorage";
    flow:established,to_client;
    http.header;
    content:"X-GUploader-UploadID|3a 20|";
    content:"|0d 0a|x-goog-";
    file.data;
    content:"<title>Sign in to your Microsoft account</title>"; fast_pattern;
    classtype:social-engineering;
    sid:2031006; rev:2;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_10_13, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_13;
)

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