ET MALWARE Possible Red October proxy CnC 1

Query · suricata

flow:to_client,established;
http.header;
content:"ETag|3a 20 22|8c0bf6-ba-4b975a53906e4|22|";
Raw source ET MALWARE Possible Red October proxy CnC 1 · 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 Possible Red October proxy CnC 1";
    flow:to_client,established;
    http.header;
    content:"ETag|3a 20 22|8c0bf6-ba-4b975a53906e4|22|";
    classtype:command-and-control;
    sid:2016224; rev:4;
    metadata:created_at 2013_01_17, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_23;
)

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