ET MALWARE Probable Keylogger Report SMTP

Query · suricata

flow:established,to_server;
content:"From|3a|"; nocase;
content:"Subject|3a 20|Keylogger";
Raw source ET MALWARE Probable Keylogger Report SMTP · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET [25,587] (
    msg:"ET MALWARE Probable Keylogger Report SMTP";
    flow:established,to_server;
    content:"From|3a|"; nocase;
    content:"Subject|3a 20|Keylogger";
    classtype:trojan-activity;
    sid:2019928; rev:2;
    metadata:created_at 2014_12_13, signature_severity Major, updated_at 2019_07_26;
)

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