ET HUNTING .exec in HTTP Header Inbound - Possible Exploit Activity

Query · suricata

flow:established,to_server;
http.header;
content:".exec|28|"; fast_pattern;
Raw source ET HUNTING .exec in HTTP Header Inbound - Possible Exploit Activity · 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 any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET HUNTING .exec in HTTP Header Inbound - Possible Exploit Activity";
    flow:established,to_server;
    http.header;
    content:".exec|28|"; fast_pattern;
    classtype:bad-unknown;
    sid:2033407; rev:2;
    metadata:created_at 2021_07_24, confidence Medium, signature_severity Major, tag possible_exploitation, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_24;
)

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