ET MALWARE Win32/RecordBreaker - Library Request

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".dll"; endswith;
http.user_agent;
content:"qwrqrwrqwrqwr"; bsize:13; fast_pattern;
http.header_names;
content:!"Referer";
Raw source ET MALWARE Win32/RecordBreaker - Library Request · 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/RecordBreaker - Library Request";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".dll"; endswith;
    http.user_agent;
    content:"qwrqrwrqwrqwr"; bsize:13; fast_pattern;
    http.header_names;
    content:!"Referer";
    reference:md5,4be6b8d7973a568f8c16d49db40844f5;
    classtype:trojan-activity;
    sid:2038487; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_11, deployment Perimeter, malware_family RecordBreaker, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_11;
)

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