ET POLICY Possible HTA Application Download

Query · suricata

flow:established,to_server;
flowbits:set,ET.HTA.Download;
http.method;
content:"GET";
http.uri;
content:".hta"; nocase; fast_pattern; endswith;
http.host;
content:!".kaspersky.com"; endswith;

Rule dependencies

Feeds into

  • Nothing indexed reads ET.HTA.Download.
Raw source ET POLICY Possible HTA Application Download · 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 POLICY Possible HTA Application Download";
    flow:established,to_server;
    flowbits:set,ET.HTA.Download;
    http.method;
    content:"GET";
    http.uri;
    content:".hta"; nocase; fast_pattern; endswith;
    http.host;
    content:!".kaspersky.com"; endswith;
    reference:url,www.trustedsec.com/july-2015/malicious-htas/;
    classtype:bad-unknown;
    sid:2022520; rev:7;
    metadata:created_at 2016_02_15, confidence Medium, signature_severity Informational, updated_at 2025_05_06;
)

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