ET ATTACK_RESPONSE MacSync Stealer Stage 2 Payload Inbound

Query · suricata

flow:established,to_client;
http.response_body;
content:"on|20|filesizer|28|paths|29|"; depth:25;
content:"set|20|theItem|20|to|20|quoted|20|form|20|of|20|POSIX|20|path|20|of|20|paths"; fast_pattern;
content:"on|20|mkdir|28|someItem|29|";
content:"on|20|FileName|28|filePath|29|";
target:dest_ip;
Raw source ET ATTACK_RESPONSE MacSync Stealer Stage 2 Payload Inbound · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET ATTACK_RESPONSE MacSync Stealer Stage 2 Payload Inbound";
    flow:established,to_client;
    http.response_body;
    content:"on|20|filesizer|28|paths|29|"; depth:25;
    content:"set|20|theItem|20|to|20|quoted|20|form|20|of|20|POSIX|20|path|20|of|20|paths"; fast_pattern;
    content:"on|20|mkdir|28|someItem|29|";
    content:"on|20|FileName|28|filePath|29|";
    classtype:trojan-activity;
    sid:2069446; rev:1;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_05_27, deployment Perimeter, deployment SSLDecrypt, malware_family MacSync, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_05_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1105, mitre_technique_name Ingress_Tool_Transfer;
    target:dest_ip;
)

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