ET MALWARE Win32/Cryptrun.B/MSUpdater C&C traffic 1

Query · suricata

flow:from_client,established;
http.uri;
content:"/search";
content:"?h1="; fast_pattern;
content:"&h2="; distance:0;
content:"&h3="; distance:0;
http.user_agent;
content:"Mozilla/5.0 (compatible|3b|"; depth:24;
Raw source ET MALWARE Win32/Cryptrun.B/MSUpdater C&C traffic 1 · 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 Win32/Cryptrun.B/MSUpdater C&C traffic 1";
    flow:from_client,established;
    http.uri;
    content:"/search";
    content:"?h1="; fast_pattern;
    content:"&h2="; distance:0;
    content:"&h3="; distance:0;
    http.user_agent;
    content:"Mozilla/5.0 (compatible|3b|"; depth:24;
    reference:url,blog.9bplus.com/kim-jong-il-pdf-malware;
    reference:url,www.seculert.com/reports/MSUpdaterTrojanWhitepaper.pdf;
    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:2014174; rev:6;
    metadata:created_at 2012_01_31, malware_family Win32_Cryptrun_B_MSUpdater, signature_severity Major, updated_at 2020_10_14;
)

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