ET HUNTING Suspicious GET To gate.php with no Referer

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/gate.php";
http.header_names;
content:!"Referer";
Raw source ET HUNTING Suspicious GET To gate.php with no Referer · 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 HUNTING Suspicious GET To gate.php with no Referer";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/gate.php";
    http.header_names;
    content:!"Referer";
    classtype:bad-unknown;
    sid:2030802; rev:1;
    metadata:affected_product Any, attack_target Client_Endpoint, created_at 2020_08_27, deployment Perimeter, confidence Medium, signature_severity Informational, updated_at 2020_08_27;
)

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