ET ATTACK_RESPONSE Braodo Loader Inbound

Query · suricata

flow:established,to_client;
http.response_body;
content:"|ff fe 26 63 6c 73 0d 0a 65 63 68 6f 20|"; startswith;
content:"jnnbyzemecjolofzfiifopwbfynbtuwfplwyqyaxcyqhgfopfszizx"; fast_pattern;
target:dest_ip;
Raw source ET ATTACK_RESPONSE Braodo Loader Inbound · Suricata
Esc
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 Braodo Loader Inbound";
    flow:established,to_client;
    http.response_body;
    content:"|ff fe 26 63 6c 73 0d 0a 65 63 68 6f 20|"; startswith;
    content:"jnnbyzemecjolofzfiifopwbfynbtuwfplwyqyaxcyqhgfopfszizx"; fast_pattern;
    reference:md5,fa94f7de3f8cbd505c8741b5d4b947d6;
    classtype:trojan-activity;
    sid:2065035; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_10_02, deployment Perimeter, deployment SSLDecrypt, malware_family Braodo, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_02, 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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