ET MALWARE SEASALT HTTP Checkin

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Mozilla/4.0 (compatible|3b 20|MSIE 5.00|3b 20|Windows 98) KSMM"; fast_pattern; bsize:52;
Raw source ET MALWARE SEASALT HTTP Checkin · 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 SEASALT HTTP Checkin";
    flow:established,to_server;
    http.user_agent;
    content:"Mozilla/4.0 (compatible|3b 20|MSIE 5.00|3b 20|Windows 98) KSMM"; fast_pattern; bsize:52;
    reference:md5,5e0df5b28a349d46ac8cc7d9e5e61a96;
    reference:url,www.mandiant.com/apt1;
    classtype:command-and-control;
    sid:2016440; rev:3;
    metadata:created_at 2013_02_20, signature_severity Major, updated_at 2020_04_23;
)

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