ET MALWARE Grandoreiro CnC Activity (iso)

Query · suricata

flow:established,to_client;
content:"|2e|iso|22 3b 0d 0a 0d 0a|VUVzREJCUUFBQUFJQU5sRUJWSHBLeVltQlY0OEFBQzh6QXNRQ"; fast_pattern;
http.stat_code;
content:"200";
Raw source ET MALWARE Grandoreiro CnC Activity (iso) · Suricata
Esc
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 Grandoreiro CnC Activity (iso)";
    flow:established,to_client;
    content:"|2e|iso|22 3b 0d 0a 0d 0a|VUVzREJCUUFBQUFJQU5sRUJWSHBLeVltQlY0OEFBQzh6QXNRQ"; fast_pattern;
    http.stat_code;
    content:"200";
    reference:url,app.any.run/tasks/aa328aa8-e521-429f-9c42-9583f7e87c76/;
    reference:md5,2cb39126dd8f22ffdf2ad2b679405653;
    classtype:command-and-control;
    sid:2030808; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_08_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_27;
)

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