ET MALWARE Email Contains wininet.dll Call - Potentially Dridex MalDoc 1

Query · suricata

flow:established,to_server;
content:"d2luaW5ldC5kbG"; fast_pattern;
Raw source ET MALWARE Email Contains wininet.dll Call - Potentially Dridex MalDoc 1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert smtp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Email Contains wininet.dll Call - Potentially Dridex MalDoc 1";
    flow:established,to_server;
    content:"d2luaW5ldC5kbG"; fast_pattern;
    classtype:trojan-activity;
    sid:2021009; rev:2;
    metadata:created_at 2015_04_24, signature_severity Major, updated_at 2019_07_26;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.