ET MALWARE Windows Executable Downloaded With Image Content-Type Header

Query · suricata

flow:established,to_client;
http.content_type;
content:"image/"; depth:6;
file.data;
content:"This program must be run under Win"; within:125; fast_pattern;
Raw source ET MALWARE Windows Executable Downloaded With Image Content-Type Header · 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 Windows Executable Downloaded With Image Content-Type Header";
    flow:established,to_client;
    http.content_type;
    content:"image/"; depth:6;
    file.data;
    content:"This program must be run under Win"; within:125; fast_pattern;
    classtype:trojan-activity;
    sid:2025169; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_12_21, deployment Perimeter, confidence High, signature_severity Minor, updated_at 2020_08_24;
)

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