ET POLICY External IP Address Lookup - b4secure .com

Query · suricata

flow:established,to_server;
urilen:12;
http.uri;
content:"/index.shtml";
http.host;
content:"b4secure.com"; fast_pattern; endswith;
Raw source ET POLICY External IP Address Lookup - b4secure .com · 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 External IP Address Lookup - b4secure .com";
    flow:established,to_server;
    urilen:12;
    http.uri;
    content:"/index.shtml";
    http.host;
    content:"b4secure.com"; fast_pattern; endswith;
    reference:url,researchcenter.paloaltonetworks.com/2016/10/unit42-psa-conference-invite-used-lure-operation-lotus-blossom-actors/;
    classtype:external-ip-check;
    sid:2023469; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_10_31, malware_family Emissary, malware_family Lotus_Blossom, confidence High, signature_severity Informational, updated_at 2020_08_03;
)

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