ET MALWARE BYOB - Python Backdoor Stager Download

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
http.response_body;
content:"|0a 27|Stager|20 28|Build Your Own Botnet|29 27 0a|"; fast_pattern;
Raw source ET MALWARE BYOB - Python Backdoor Stager Download · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE BYOB - Python Backdoor Stager Download";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.response_body;
    content:"|0a 27|Stager|20 28|Build Your Own Botnet|29 27 0a|"; fast_pattern;
    reference:md5,76117987409f341b5272958e27dd9ac5;
    classtype:command-and-control;
    sid:2030551; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_07_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_16;
)

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