ET MALWARE Storm/Waledac 3.0 Checkin 2

Query · suricata

flow:established,to_server;
content:"|01 02 01 01|"; fast_pattern;
http.method;
content:"GET";
http.host;
pcre:"/^(?:\d{1,3}\.){3}\d{1,3}$/";
http.request_line;
content:".htm HTTP/1.1";
http.content_len;
byte_test:0,<,100,0,string,dec;
http.header_names;
content:"Host|0d 0a|";
content:"Content-Length|0d 0a|";
Raw source ET MALWARE Storm/Waledac 3.0 Checkin 2 · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Storm/Waledac 3.0 Checkin 2";
    flow:established,to_server;
    content:"|01 02 01 01|"; fast_pattern;
    http.method;
    content:"GET";
    http.host;
    pcre:"/^(?:\d{1,3}\.){3}\d{1,3}$/";
    http.request_line;
    content:".htm HTTP/1.1";
    http.content_len;
    byte_test:0,<,100,0,string,dec;
    http.header_names;
    content:"Host|0d 0a|";
    content:"Content-Length|0d 0a|";
    classtype:command-and-control;
    sid:2012139; rev:10;
    metadata:created_at 2011_01_05, signature_severity Major, updated_at 2020_10_28;
)

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