ET MALWARE PE EXE or DLL Windows file download Text M2

Query · suricata

flow:established,from_server;
file_data;
content:"4D5A"; nocase; within:4;
content:"50450000"; distance:0;
content:"21546869732070726f6772616d"; nocase; fast_pattern;
Raw source ET MALWARE PE EXE or DLL Windows file download Text M2 · 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 MALWARE PE EXE or DLL Windows file download Text M2";
    flow:established,from_server;
    file_data;
    content:"4D5A"; nocase; within:4;
    content:"50450000"; distance:0;
    content:"21546869732070726f6772616d"; nocase; fast_pattern;
    classtype:trojan-activity;
    sid:2022640; rev:2;
    metadata:created_at 2016_03_23, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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