ET MALWARE ServHelper CnC Command (Reg Add)

Query · suricata

flow:from_server,established;
http.stat_code;
content:"200";
file.data;
content:"shell^reg add|20|"; depth:14; fast_pattern;
Raw source ET MALWARE ServHelper CnC Command (Reg Add) · 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 ServHelper CnC Command (Reg Add)";
    flow:from_server,established;
    http.stat_code;
    content:"200";
    file.data;
    content:"shell^reg add|20|"; depth:14; fast_pattern;
    reference:md5,8efa9d3c901234f24659a8ea9c3fee14;
    reference:url,www.cybereason.com/blog/threat-actor-ta505-targets-financial-enterprises-using-lolbins-and-a-new-backdoor-malware;
    classtype:command-and-control;
    sid:2027302; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_05_01, deployment Perimeter, confidence High, signature_severity Major, tag ServHelper, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_28;
)

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