ET MALWARE Generic gate .php GET with minimal headers

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/gate.php"; nocase; fast_pattern;
http.header_names;
content:!"Referer";
content:!"Accept";
Raw source ET MALWARE Generic gate .php GET with minimal headers · 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 MALWARE Generic gate .php GET with minimal headers";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/gate.php"; nocase; fast_pattern;
    http.header_names;
    content:!"Referer";
    content:!"Accept";
    reference:md5,ad4045887298439f5a21700bdbc7a311;
    classtype:trojan-activity;
    sid:2022818; rev:4;
    metadata:created_at 2016_05_18, confidence Medium, signature_severity Major, updated_at 2020_08_18;
)

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