ET MALWARE Dyreza RAT Fake Server Header

Query · suricata

flow:established,to_client;
http.protocol;
content:"HTTP/1.";
http.server;
content:"Stalin"; fast_pattern; startswith;
Raw source ET MALWARE Dyreza RAT Fake Server Header · 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 Dyreza RAT Fake Server Header";
    flow:established,to_client;
    http.protocol;
    content:"HTTP/1.";
    http.server;
    content:"Stalin"; fast_pattern; startswith;
    reference:md5,7e3e28320d209a586917668e3b8eac40;
    classtype:trojan-activity;
    sid:2018775; rev:6;
    metadata:created_at 2014_07_25, signature_severity Major, updated_at 2020_10_28;
)

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