ET MALWARE TickGroup Datper CnC Checkin M2

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/set.html?"; fast_pattern;
pcre:"/^[a-z]{3,10}=[a-z0-9]+$/R";
http.accept;
content:"*/*";
http.content_type;
content:"application/x-www-form-urlencoded";
http.header_names;
content:!"Referer";
content:!"Accept-";
Raw source ET MALWARE TickGroup Datper CnC Checkin M2 · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE TickGroup Datper CnC Checkin M2";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/set.html?"; fast_pattern;
    pcre:"/^[a-z]{3,10}=[a-z0-9]+$/R";
    http.accept;
    content:"*/*";
    http.content_type;
    content:"application/x-www-form-urlencoded";
    http.header_names;
    content:!"Referer";
    content:!"Accept-";
    reference:url,blogs.jpcert.or.jp/ja/2019/02/tick-activity.html;
    classtype:command-and-control;
    sid:2026948; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_02_20, deployment Perimeter, malware_family Datper, performance_impact Low, confidence High, signature_severity Major, tag TickGroup, updated_at 2020_08_27;
)

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