ET MALWARE Win32/Fireball Activity

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?clients=";
content:"&reqs=visit."; distance:0;
http.user_agent;
content:"RookIE/"; fast_pattern; startswith;
http.header_names;
content:!"Accept";
content:!"Referer|0d 0a|";
Raw source ET MALWARE Win32/Fireball Activity · Suricata
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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/Fireball Activity";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?clients=";
    content:"&reqs=visit."; distance:0;
    http.user_agent;
    content:"RookIE/"; fast_pattern; startswith;
    http.header_names;
    content:!"Accept";
    content:!"Referer|0d 0a|";
    reference:url,blog.checkpoint.com/2017/06/01/fireball-chinese-malware-250-million-infection;
    reference:md5,69ffdf99149d19be7dc1c52f33aaa651;
    classtype:trojan-activity;
    sid:2024348; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_06_03, deployment Perimeter, malware_family Fireball, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_08_06;
)

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