ET MALWARE Ursnif Checkin

Query · suricata

flow:established,to_server;
http.uri;
content:"/?user="; fast_pattern;
content:"os=";
content:"&os2=";
content:"&ver=";
content:"&host=";
content:!"|2e|";
content:"type=";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Ursnif 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 Ursnif Checkin";
    flow:established,to_server;
    http.uri;
    content:"/?user="; fast_pattern;
    content:"os=";
    content:"&os2=";
    content:"&ver=";
    content:"&host=";
    content:!"|2e|";
    content:"type=";
    http.header_names;
    content:!"Referer|0d 0a|";
    classtype:command-and-control;
    sid:2019678; rev:5;
    metadata:created_at 2014_11_08, signature_severity Major, updated_at 2020_09_29;
)

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