ET MALWARE Evil PDF Retrieving Emotet Payload

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/?InvoiceType=Regular&date="; fast_pattern;
pcre:"/\/[A-Za-z0-9]{2,8}[-_][a-zA-Z0-9-_]+\/\?InvoiceType=Regular&date=[0-9-_]+$/";
Raw source ET MALWARE Evil PDF Retrieving Emotet Payload · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Evil PDF Retrieving Emotet Payload";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/?InvoiceType=Regular&date="; fast_pattern;
    pcre:"/\/[A-Za-z0-9]{2,8}[-_][a-zA-Z0-9-_]+\/\?InvoiceType=Regular&date=[0-9-_]+$/";
    reference:md5,136dca58d0a0802c7abfce8dce4b7526;
    classtype:trojan-activity;
    sid:2035060; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_03_28, deployment Perimeter, malware_family Emotet, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_08_28;
)

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