ET MALWARE Suspicious User Agent Detected (RookIE) - Common with Downloaders

Query · suricata

flow:established,to_server;
http.user_agent;
content:"RookIE"; depth:6;
http.host;
content:!"www.ugee.com.cn";
target:src_ip;
Raw source ET MALWARE Suspicious User Agent Detected (RookIE) - Common with Downloaders · 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 MALWARE Suspicious User Agent Detected (RookIE) - Common with Downloaders";
    flow:established,to_server;
    http.user_agent;
    content:"RookIE"; depth:6;
    http.host;
    content:!"www.ugee.com.cn";
    classtype:trojan-activity;
    sid:2003635; rev:11;
    metadata:attack_target Client_and_Server, created_at 2010_07_30, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2023_05_17;
    target:src_ip;
)

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.