ET MALWARE MacSync Stealer Payload Request

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"|2f|dynamic|3f|txd|3d|"; startswith; fast_pattern;
pcre:"/^(?:[a-z0-9]{64})(?:\x26pwd\x3d)?/R";
http.user_agent;
content:"Macintosh";
http.header_names;
content:"|0d 0a|api-key|0d 0a|"; nocase;
target:src_ip;
Raw source ET MALWARE MacSync Stealer 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 Stealer Payload Request";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"|2f|dynamic|3f|txd|3d|"; startswith; fast_pattern;
    pcre:"/^(?:[a-z0-9]{64})(?:\x26pwd\x3d)?/R";
    http.user_agent;
    content:"Macintosh";
    http.header_names;
    content:"|0d 0a|api-key|0d 0a|"; nocase;
    reference:md5,b069eeffe39e07f3dd4f99c708fc2bf3;
    reference:url,x.com/suyog41/status/2041037052666667008;
    classtype:trojan-activity;
    sid:2068596; rev:2;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_04_06, deployment Perimeter, deployment SSLDecrypt, malware_family MacSync, confidence High, signature_severity Major, updated_at 2026_05_27;
    target:src_ip;
)

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