ET MALWARE Possible Zeus P2P Variant Check-in

Query · suricata

flow:established,to_server;
urilen:7;
http.method;
content:"POST";
http.uri;
content:"/update"; fast_pattern;
http.host;
pcre:"/^[a-z0-9]+\.(?:biz|com|net|org)/";
http.header_names;
content:!"User-Agent";
Raw source ET MALWARE Possible Zeus P2P Variant Check-in · 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 Possible Zeus P2P Variant Check-in";
    flow:established,to_server;
    urilen:7;
    http.method;
    content:"POST";
    http.uri;
    content:"/update"; fast_pattern;
    http.host;
    pcre:"/^[a-z0-9]+\.(?:biz|com|net|org)/";
    http.header_names;
    content:!"User-Agent";
    reference:url,blog.malcovery.com/blog/breaking-gameover-zeus-returns;
    reference:md5,5e5e46145409fb4a5c8a004217eef836;
    classtype:trojan-activity;
    sid:2018667; rev:5;
    metadata:created_at 2014_07_11, confidence Medium, signature_severity Major, updated_at 2020_08_25;
)

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