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, 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;)