ET USER_AGENTS MacShield User-Agent Likely Malware

Query · suricata

flow:established,to_server;
http.user_agent;
content:"MacShield"; startswith;
Raw source ET USER_AGENTS MacShield User-Agent Likely Malware · 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 MacShield User-Agent Likely Malware";
    flow:established,to_server;
    http.user_agent;
    content:"MacShield"; startswith;
    reference:url,blog.spiderlabs.com/2011/06/analysis-and-evolution-of-macdefender-os-x-fake-av-scareware.html;
    classtype:trojan-activity;
    sid:2012959; rev:5;
    metadata:created_at 2011_06_09, confidence High, signature_severity Major, updated_at 2020_08_13;
)

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