ET HUNTING Suspicious Possible Zip DL containing single VBS script

Query · suricata

flow:established,from_server;
file_data;
content:"|50 4b 01 02|";
content:".vbs"; nocase; distance:0;
pcre:"/^(?:(?!PK).)*?\x50\x4b\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00/Rs";
Raw source ET HUNTING Suspicious Possible Zip DL containing single VBS script · 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 HUNTING Suspicious Possible Zip DL containing single VBS script";
    flow:established,from_server;
    file_data;
    content:"|50 4b 01 02|";
    content:".vbs"; nocase; distance:0;
    pcre:"/^(?:(?!PK).)*?\x50\x4b\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00/Rs";
    classtype:bad-unknown;
    sid:2024769; rev:2;
    metadata:created_at 2017_09_26, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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