ET MALWARE LokiBot Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php";
http.header;
content:"Content-Key|3a 20|"; fast_pattern;
http.header_names;
content:!"Referer|0d 0a|";
content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Accept|0d 0a|Content-Type|0d 0a|"; startswith; nocase;
Raw source ET MALWARE LokiBot Checkin · 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 MALWARE LokiBot Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php";
    http.header;
    content:"Content-Key|3a 20|"; fast_pattern;
    http.header_names;
    content:!"Referer|0d 0a|";
    content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Accept|0d 0a|Content-Type|0d 0a|"; startswith; nocase;
    reference:md5,5ba6cf36f57697a1eb5ac8deaa377b4b;
    classtype:command-and-control;
    sid:2025381; rev:7;
    metadata:created_at 2015_11_24, malware_family lokibot, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_20;
)

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