ET USER_AGENTS Suspicious User Agent (Autoupdate)

Query · suricata

flow:established,to_server;
http.header;
content:!" Creative AutoUpdate v";
http.user_agent;
content:"Autoupdate"; nocase; depth:10;
content:!"McAfeeAutoUpdate"; nocase;
http.host;
content:!"update.nai.com";
content:!"nokia.com";
content:!"sophosupd.com";
content:!"sophosupd.net";
content:!"wholetomato.com";
content:!".acclivitysoftware.com";
Raw source ET USER_AGENTS Suspicious User Agent (Autoupdate) · 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 (Autoupdate)";
    flow:established,to_server;
    http.header;
    content:!" Creative AutoUpdate v";
    http.user_agent;
    content:"Autoupdate"; nocase; depth:10;
    content:!"McAfeeAutoUpdate"; nocase;
    http.host;
    content:!"update.nai.com";
    content:!"nokia.com";
    content:!"sophosupd.com";
    content:!"sophosupd.net";
    content:!"wholetomato.com";
    content:!".acclivitysoftware.com";
    classtype:pup-activity;
    sid:2003337; rev:23;
    metadata:created_at 2010_07_30, deployment Perimeter, deployment alert_only, performance_impact Low, confidence Low, signature_severity Minor, updated_at 2023_05_31;
)

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.