ET USER_AGENTS Suspicious User-Agent - Possible Trojan Downloader (ver18/ver19 etc)

Query · suricata

flow:established,to_server;
http.user_agent;
content:")ver"; fast_pattern;
pcre:"/\)ver\d/";
Raw source ET USER_AGENTS Suspicious User-Agent - Possible Trojan Downloader (ver18/ver19 etc) · 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 - Possible Trojan Downloader (ver18/ver19 etc)";
    flow:established,to_server;
    http.user_agent;
    content:")ver"; fast_pattern;
    pcre:"/\)ver\d/";
    classtype:trojan-activity;
    sid:2003380; rev:13;
    metadata:affected_product Any, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence Medium, signature_severity Major, tag User_Agent, tag Trojan_Downloader, updated_at 2020_08_13;
)

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