ET MALWARE Neverquest/Vawtrak Posting Data

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/viewforum.php?f="; fast_pattern;
pcre:"/\/viewforum\.php\?f=\d+&sid=[A-F0-9]{32}$/";
http.content_type;
content:"application/octet-stream"; startswith;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Neverquest/Vawtrak Posting Data · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Neverquest/Vawtrak Posting Data";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/viewforum.php?f="; fast_pattern;
    pcre:"/\/viewforum\.php\?f=\d+&sid=[A-F0-9]{32}$/";
    http.content_type;
    content:"application/octet-stream"; startswith;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,0400671fd3804fbf3fd1d6cf707bced4;
    reference:md5,1dfaeb7b985d2ba039cd158f63b8ae54;
    classtype:trojan-activity;
    sid:2018543; rev:5;
    metadata:created_at 2014_06_07, signature_severity Major, updated_at 2020_10_09;
)

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