ET MALWARE Win32.Crypt.nc Checkin

Query · suricata

flow:to_server,established;
http.uri;
content:".php?l";
content:"&rvz1="; fast_pattern;
content:"&rvz2=";
pcre:"/&rvz1=\d+&rvz2=\d+?$/";
http.header_names;
content:!"Accept|0d 0a|";
Raw source ET MALWARE Win32.Crypt.nc 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32.Crypt.nc Checkin";
    flow:to_server,established;
    http.uri;
    content:".php?l";
    content:"&rvz1="; fast_pattern;
    content:"&rvz2=";
    pcre:"/&rvz1=\d+&rvz2=\d+?$/";
    http.header_names;
    content:!"Accept|0d 0a|";
    classtype:command-and-control;
    sid:2008567; rev:7;
    metadata:created_at 2010_07_30, signature_severity Major, updated_at 2020_09_24;
)

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