ET MALWARE LokiBot Fake 404 Response

Query · suricata

flow:established,from_server;
flowbits:isset,ET.LokiBot;
http.stat_code;
content:"404";
file.data;
content:"|08 00 00 00 00 00 00 00|File not found."; depth:23; fast_pattern; endswith;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE LokiBot Fake 404 Response · 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 MALWARE LokiBot Fake 404 Response";
    flow:established,from_server;
    flowbits:isset,ET.LokiBot;
    http.stat_code;
    content:"404";
    file.data;
    content:"|08 00 00 00 00 00 00 00|File not found."; depth:23; fast_pattern; endswith;
    reference:md5,CA427D578AFA51B262272C78D1C04AB9;
    classtype:trojan-activity;
    sid:2025483; rev:5;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_10, deployment Perimeter, malware_family lokibot, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_20;
)

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