ET HUNTING SUSPICIOUS .PIF File Inside of Zip

Query · suricata

flow:established,from_server;
file_data;
content:"PK"; within:2;
content:".pif"; nocase; fast_pattern; within:500;
Raw source ET HUNTING SUSPICIOUS .PIF File Inside of Zip · 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 .PIF File Inside of Zip";
    flow:established,from_server;
    file_data;
    content:"PK"; within:2;
    content:".pif"; nocase; fast_pattern; within:500;
    reference:md5,2e760350a5c692bd94c7c6d1233af72c;
    classtype:trojan-activity;
    sid:2018125; rev:5;
    metadata:created_at 2014_02_13, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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