ET WEB_CLIENT Fake Adobe Flash Player update warning enticing clicks to malware payload

Query · suricata

flow:established,from_server;
file_data;
content:"WARNING|21| You should update your Flash Player Immediately";
Raw source ET WEB_CLIENT Fake Adobe Flash Player update warning enticing clicks to malware payload · 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 WEB_CLIENT Fake Adobe Flash Player update warning enticing clicks to malware payload";
    flow:established,from_server;
    file_data;
    content:"WARNING|21| You should update your Flash Player Immediately";
    classtype:trojan-activity;
    sid:2017122; rev:4;
    metadata:created_at 2013_07_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_16;
)

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