ET MALWARE Citadel Activity POST

Query · suricata

flow:to_server,established;
urilen:15;
http.method;
content:"POST";
http.uri;
content:"/pk/request.flv";
http.header_names;
content:!"Content-Type|0d 0a|";
content:!"Referer|0d 0a|";
Raw source ET MALWARE Citadel Activity POST · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Citadel Activity POST";
    flow:to_server,established;
    urilen:15;
    http.method;
    content:"POST";
    http.uri;
    content:"/pk/request.flv";
    http.header_names;
    content:!"Content-Type|0d 0a|";
    content:!"Referer|0d 0a|";
    reference:md5,a354873df6dbce59e801380cee39ac17;
    classtype:trojan-activity;
    sid:2017582; rev:5;
    metadata:created_at 2013_10_12, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_28;
)

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