ET MALWARE Win32/Arid Gopher CnC Exfil (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.user_agent;
content:"aimxxhwpcc"; fast_pattern;
http.request_body;
content:"|7b 22|arch|22 3a 22|"; startswith;
content:"|22 2c 22|av|22 3a 22|";
content:"|22 2c 22|en|22 3a 22|";
content:"|22 2c 22|ename|22 3a 22|";
content:"|22 2c 22|os|22 3a 22|";
content:"|22 2c 22|os_n|22 3a 22|";
Raw source ET MALWARE Win32/Arid Gopher CnC Exfil (POST) · 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/Arid Gopher CnC Exfil (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.user_agent;
    content:"aimxxhwpcc"; fast_pattern;
    http.request_body;
    content:"|7b 22|arch|22 3a 22|"; startswith;
    content:"|22 2c 22|av|22 3a 22|";
    content:"|22 2c 22|en|22 3a 22|";
    content:"|22 2c 22|ename|22 3a 22|";
    content:"|22 2c 22|os|22 3a 22|";
    content:"|22 2c 22|os_n|22 3a 22|";
    reference:url,twitter.com/suyog41/status/1658077536067125248;
    classtype:trojan-activity;
    sid:2045704; rev:1;
    metadata:created_at 2023_05_15, malware_family Win32_Arid, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_15;
)

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