ET MALWARE HTTP Request to Remcos Payload M1

Query · suricata

flow:established,to_server;
urilen:12;
http.method;
content:"GET";
http.uri;
content:"/ISENSYS.zip"; fast_pattern;
http.user_agent;
content:"WindowsPowerShell/";
Raw source ET MALWARE HTTP Request to Remcos Payload M1 · 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 HTTP Request to Remcos Payload M1";
    flow:established,to_server;
    urilen:12;
    http.method;
    content:"GET";
    http.uri;
    content:"/ISENSYS.zip"; fast_pattern;
    http.user_agent;
    content:"WindowsPowerShell/";
    reference:md5,813b231054a869cf29bfe9396731e47f;
    classtype:trojan-activity;
    sid:2057283; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_11_06, deployment Perimeter, malware_family Remcos, confidence Medium, signature_severity Major, updated_at 2024_11_06;
)

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