ET MALWARE MSUpdater alt checkin to CnC

Query · suricata

flow:established,to_server;
http.uri;
content:"/microsoft/errorpost/default/connect.aspx?ID=";
Raw source ET MALWARE MSUpdater alt checkin to CnC · 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 MSUpdater alt checkin to CnC";
    flow:established,to_server;
    http.uri;
    content:"/microsoft/errorpost/default/connect.aspx?ID=";
    reference:url,research.zscaler.com/2012/01/msupdater-trojan-and-link-to-targeted.html;
    reference:url,blog.seculert.com/2012/01/msupdater-trojan-and-conference-invite.html;
    classtype:command-and-control;
    sid:2014211; rev:3;
    metadata:created_at 2012_02_07, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;
)

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