ET MALWARE Ares Loader Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"|22 7b 5c 22|ip|5c 22 3a 20 27|"; startswith; fast_pattern;
content:"|27 2c 20 5c 22|UID|5c 22 3a 20 27|0x";
content:"|27 2c 20 5c 22|service|5c 22 3a 20 27|";
content:"|27 2c 20 5c 22|owner|5f|token|5c 22 3a 20 27|";
target:src_ip;
Raw source ET MALWARE Ares Loader Checkin · 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 Ares Loader Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"|22 7b 5c 22|ip|5c 22 3a 20 27|"; startswith; fast_pattern;
    content:"|27 2c 20 5c 22|UID|5c 22 3a 20 27|0x";
    content:"|27 2c 20 5c 22|service|5c 22 3a 20 27|";
    content:"|27 2c 20 5c 22|owner|5f|token|5c 22 3a 20 27|";
    reference:md5,82acd827f36e29c05e6581558b0d76ca;
    reference:url,tria.ge/230317-23cpnacd5t/behavioral2;
    classtype:command-and-control;
    sid:2044690; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_03_20, deployment Perimeter, malware_family AresLoader, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_20;
    target:src_ip;
)

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