ET POLICY Possible External IP Lookup ip.webmasterhome.cn

Query · suricata

flow:established,to_server;
http.host;
content:"ip.webmasterhome.cn"; fast_pattern; bsize:19;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET POLICY Possible External IP Lookup ip.webmasterhome.cn · 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 POLICY Possible External IP Lookup ip.webmasterhome.cn";
    flow:established,to_server;
    http.host;
    content:"ip.webmasterhome.cn"; fast_pattern; bsize:19;
    http.header_names;
    content:!"Referer|0d 0a|";
    classtype:external-ip-check;
    sid:2021250; rev:6;
    metadata:attack_target Client_Endpoint, created_at 2015_06_11, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_11_26, mitre_tactic_id TA0007, mitre_tactic_name Discovery, mitre_technique_id T1614, mitre_technique_name System_Location_Discovery;
)

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