ET ADWARE_PUP LNKR Request for LNKR js file M1

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/lnkr5.min.js"; endswith; fast_pattern;
http.header_names;
content:"User-Agent";
content:"Referer";
Raw source ET ADWARE_PUP LNKR Request for LNKR js file M1 · 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 ADWARE_PUP LNKR Request for LNKR js file M1";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/lnkr5.min.js"; endswith; fast_pattern;
    http.header_names;
    content:"User-Agent";
    content:"Referer";
    reference:url,securitytrails.com/blog/lnkr-malicious-browser-extension;
    classtype:pup-activity;
    sid:2027422; rev:5;
    metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2019_06_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, updated_at 2020_09_17;
)

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