ET USER_AGENTS User-Agent (Internet Explorer)

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Internet Explorer"; depth:17; endswith; nocase;
http.host;
content:!"pnrws.skype.com";
content:!"iecvlist.microsoft.com";
content:!".lenovo.com";
Raw source ET USER_AGENTS User-Agent (Internet Explorer) · 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 USER_AGENTS User-Agent (Internet Explorer)";
    flow:established,to_server;
    http.user_agent;
    content:"Internet Explorer"; depth:17; endswith; nocase;
    http.host;
    content:!"pnrws.skype.com";
    content:!"iecvlist.microsoft.com";
    content:!".lenovo.com";
    classtype:bad-unknown;
    sid:2008052; rev:20;
    metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_05;
)

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.