ET MALWARE Sality - Fake Opera User-Agent

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.user_agent;
content:"Opera/8.81 (Windows NT 6.0|3b 20|U|3b 20|en)"; depth:34; endswith;
Raw source ET MALWARE Sality - Fake Opera User-Agent · Suricata
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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 Sality - Fake Opera User-Agent";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.user_agent;
    content:"Opera/8.81 (Windows NT 6.0|3b 20|U|3b 20|en)"; depth:34; endswith;
    reference:url,www.spywareremove.com/removeTrojanDownloaderSalityG.html;
    reference:url,www.microsoft.com/security/portal/beta/Threat/Encyclopedia/Entry.aspx?Name=Virus%3AWin32%2FSality.AM;
    classtype:trojan-activity;
    sid:2009525; rev:9;
    metadata:created_at 2010_07_30, confidence High, signature_severity Major, updated_at 2020_10_19;
)

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