ET USER_AGENTS Suspicious User-Agent (=Mozilla)


Query · suricata

flow:established,to_server;
http.header;
content:"User-Agent|3a|=Mozilla/5"; fast_pattern;
Raw source ET USER_AGENTS Suspicious User-Agent (=Mozilla) · 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 Suspicious User-Agent (=Mozilla)";
    flow:established,to_server;
    http.header;
    content:"User-Agent|3a|=Mozilla/5"; fast_pattern;
    classtype:trojan-activity;
    sid:2025456; rev:3;
    metadata:affected_product Web_Browsers, attack_target Client_and_Server, created_at 2018_03_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_25;
)

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.