alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Traffic Flooding To Evade Detection (mercadolibre .com)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/melidata/tracks"; startswith; http.host; content:"api.mercadolibre.com"; fast_pattern; http.request_body; content:"|7b 22|tracks|22 3a 5b 7b 22|path|22 3a 22 2f|"; startswith; threshold:type both,count 20,seconds 300,track by_src; reference:md5,6ab79ff45fd52765f39cad893c1367f0; classtype:misc-activity; sid:2068812; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_04_17, deployment Perimeter, deployment SSLDecrypt, confidence Low, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_04_17, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1036, mitre_technique_name Masquerading; target:src_ip;)