ET INFO Traffic Flooding To Evade Detection (mercadolibre .com)

Query · suricata

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;
target:src_ip;
Raw source ET INFO Traffic Flooding To Evade Detection (mercadolibre .com) · 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 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;
)

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