ET HUNTING Suspicious User Agent (_)

Query · suricata

flow:to_server,established;
http.user_agent;
content:"_"; depth:1; endswith;
Raw source ET HUNTING Suspicious User Agent (_) · 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 HUNTING Suspicious User Agent (_)";
    flow:to_server,established;
    http.user_agent;
    content:"_"; depth:1; endswith;
    classtype:trojan-activity;
    sid:2007942; rev:10;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_17;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.