ET POLICY IP Check Domain (icanhazip. com in HTTP Host)

Query · suricata

flow:established,to_server;
http.host;
content:"icanhazip.com";
pcre:"/^(?:\x3a\d{1,5})?$/R";
Raw source ET POLICY IP Check Domain (icanhazip. com in HTTP Host) · Suricata
Esc
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 -> $EXTERNAL_NET any (
    msg:"ET POLICY IP Check Domain (icanhazip. com in HTTP Host)";
    flow:established,to_server;
    http.host;
    content:"icanhazip.com";
    pcre:"/^(?:\x3a\d{1,5})?$/R";
    classtype:attempted-recon;
    sid:2017398; rev:6;
    metadata:created_at 2013_08_30, confidence High, signature_severity Informational, updated_at 2020_08_25;
)

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