ET INFO 3XX redirect to data URL

Query · suricata

flow:established,to_client;
http.stat_code;
content:"3"; depth:1;
http.location;
content:"data|3a|"; fast_pattern; depth:5;
target:dest_ip;
Raw source ET INFO 3XX redirect to data URL · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET INFO 3XX redirect to data URL";
    flow:established,to_client;
    http.stat_code;
    content:"3"; depth:1;
    http.location;
    content:"data|3a|"; fast_pattern; depth:5;
    classtype:misc-activity;
    sid:2015674; rev:7;
    metadata:attack_target Client_Endpoint, created_at 2012_09_05, deployment Perimeter, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_22, reviewed_at 2024_03_25;
    target:dest_ip;
)

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