ET MALWARE InstallFix MacOS CnC Activity M1

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri; bsize:11;
content:"/n8n/update"; fast_pattern;
http.user_agent;
content:"curl"; startswith;
target:src_ip;
Raw source ET MALWARE InstallFix MacOS CnC Activity 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 MALWARE InstallFix MacOS CnC Activity M1";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri; bsize:11;
    content:"/n8n/update"; fast_pattern;
    http.user_agent;
    content:"curl"; startswith;
    reference:url,pushsecurity.com/blog/installfix;
    reference:url,x.com/anyrun_app/status/2036799880392265928;
    classtype:command-and-control;
    sid:2068432; rev:1;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_03_25, deployment Perimeter, deployment SSLDecrypt, malware_family installfix, confidence High, signature_severity Critical, updated_at 2026_03_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)

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