ET MALWARE Plasmabot CnC Host Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"POST";
http.request_body;
content:"crypt="; depth:6; fast_pattern;
http.header_names;
content:!"Referer|0d 0a|";
content:!"User-Agent|0d 0a|";
Raw source ET MALWARE Plasmabot CnC Host Checkin · 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 Plasmabot CnC Host Checkin";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.request_body;
    content:"crypt="; depth:6; fast_pattern;
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"User-Agent|0d 0a|";
    reference:url,blogs.mcafee.com/mcafee-labs/plasma-http-botnet-steals-stored-passwords-chrome-filezilla;
    reference:md5,ffbf380abaa7c56b45edd2784feecf36;
    classtype:command-and-control;
    sid:2018393; rev:5;
    metadata:created_at 2014_04_16, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_27;
)

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