ET MALWARE PeakLight/Emmenhtal Loader Payload Delivery WebPage Observed


Query · suricata

flow:established,to_client;
http.response_body;
content:"|3c|title|3e|";
pcre:"/^[A-Z0-9]{14,20}\x3c\x2ftitle\x3e[\r\n]/R";
content:"crumb|3d|location|3a 5c 5c|";
pcre:"/query\x3d(?<title>[A-Z0-9]{14,20}).+\x5cDavWWWRoot\x5c(?P>title).+\x3e(?P=title)\x20\x3c\x2fa\x3e\x3c\x2fp\x3e/";
content:"|3c 2f|body|3e 3c 2f|html|3e 00 00 00 00 00 00 00 00|"; fast_pattern;
content:"|00 00 00 00 00 00 00 00|"; endswith;
Raw source ET MALWARE PeakLight/Emmenhtal Loader Payload Delivery WebPage Observed · 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 MALWARE PeakLight/Emmenhtal Loader Payload Delivery WebPage Observed";
    flow:established,to_client;
    http.response_body;
    content:"|3c|title|3e|";
    pcre:"/^[A-Z0-9]{14,20}\x3c\x2ftitle\x3e[\r\n]/R";
    content:"crumb|3d|location|3a 5c 5c|";
    pcre:"/query\x3d(?<title>[A-Z0-9]{14,20}).+\x5cDavWWWRoot\x5c(?P>title).+\x3e(?P=title)\x20\x3c\x2fa\x3e\x3c\x2fp\x3e/";
    content:"|3c 2f|body|3e 3c 2f|html|3e 00 00 00 00 00 00 00 00|"; fast_pattern;
    content:"|00 00 00 00 00 00 00 00|"; endswith;
    reference:url,app.any.run/tasks/e2875d7e-7c85-4033-9508-4e986d598e2a;
    classtype:trojan-activity;
    sid:2058179; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_12_11, deployment Perimeter, deployment SSLDecrypt, malware_family PeakLight, malware_family Emmenhtal, confidence High, signature_severity Major, updated_at 2024_12_11;
)

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