ET MALWARE Request for Malicious .dat File

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:".dat"; endswith;
http.user_agent;
content:"Microsoft Internet Explorer"; bsize:27; fast_pattern;
http.header_names;
content:!"Referer";
content:!"Accept";
Raw source ET MALWARE Request for Malicious .dat File · 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 Request for Malicious .dat File";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:".dat"; endswith;
    http.user_agent;
    content:"Microsoft Internet Explorer"; bsize:27; fast_pattern;
    http.header_names;
    content:!"Referer";
    content:!"Accept";
    reference:md5,660d1132888b2a2ff83b695e65452f87;
    classtype:trojan-activity;
    sid:2030334; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_06_15, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_06_15;
)

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