ET MALWARE OSX/Shlayer CnC Landing M2

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/hyllkjit/"; depth:10; fast_pattern;
content:"/?n=";
pcre:"/^\/hyllkjit\/[a-f0-9]{8}\/\?n=\d{4,10}$/i";
Raw source ET MALWARE OSX/Shlayer CnC Landing M2 · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE OSX/Shlayer CnC Landing M2";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/hyllkjit/"; depth:10; fast_pattern;
    content:"/?n=";
    pcre:"/^\/hyllkjit\/[a-f0-9]{8}\/\?n=\d{4,10}$/i";
    reference:url,www.carbonblack.com/2019/02/12/tau-threat-intelligence-notification-new-macos-malware-variant-of-shlayer-osx-discovered/;
    classtype:command-and-control;
    sid:2026911; rev:3;
    metadata:affected_product Mac_OSX, created_at 2019_02_14, deployment Perimeter, malware_family Shlayer, performance_impact Low, confidence High, signature_severity Major, updated_at 2020_08_27;
)

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