ET MALWARE Known Sinkhole Response Header INetSim

Query · suricata

flow:established,from_server;
http.content_type;
content:"x-msdos-program";
file.data;
content:"MZ|0a|Sinkholed|0a|"; depth:13; fast_pattern; endswith;
Raw source ET MALWARE Known Sinkhole Response Header INetSim · Suricata
Esc
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 Known Sinkhole Response Header INetSim";
    flow:established,from_server;
    http.content_type;
    content:"x-msdos-program";
    file.data;
    content:"MZ|0a|Sinkholed|0a|"; depth:13; fast_pattern; endswith;
    classtype:trojan-activity;
    sid:2025585; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_05_25, deployment Perimeter, confidence High, signature_severity Minor, updated_at 2020_09_16;
)

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