ET HUNTING Suspicious GET Request for .x86

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".x86"; endswith; fast_pattern;
http.header_names;
content:!"Referer";
Raw source ET HUNTING Suspicious GET Request for .x86 · 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 HUNTING Suspicious GET Request for .x86";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".x86"; endswith; fast_pattern;
    http.header_names;
    content:!"Referer";
    classtype:bad-unknown;
    sid:2032924; rev:1;
    metadata:affected_product Linux, affected_product IoT, attack_target Client_Endpoint, created_at 2021_05_10, deployment Perimeter, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_10;
)

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