ET MALWARE MacSync Stage 1 Payload Request

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri; bsize:20;
content:"/payload.applescript"; fast_pattern;
http.user_agent;
content:"Macintosh";
target:src_ip;
Raw source ET MALWARE MacSync Stage 1 Payload Request · 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 MacSync Stage 1 Payload Request";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri; bsize:20;
    content:"/payload.applescript"; fast_pattern;
    http.user_agent;
    content:"Macintosh";
    reference:url,securitylabs.datadoghq.com/articles/tech-impersonators-clickfix-and-macos-infostealers;
    reference:md5,5d3a849baf1da37696e6aefde1e0f15a;
    classtype:command-and-control;
    sid:2067674; rev:1;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_02_13, deployment Perimeter, deployment SSLDecrypt, malware_family MacSync, confidence High, signature_severity Critical, updated_at 2026_02_13;
    target:src_ip;
)

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