ET HUNTING Suspicious Possible CollectGarbage in base64 3

Query · suricata

flow:established,from_server;
file_data;
content:"Db2xsZWN0R2FyYmFnZS";
Raw source ET HUNTING Suspicious Possible CollectGarbage in base64 3 · 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 HUNTING Suspicious Possible CollectGarbage in base64 3";
    flow:established,from_server;
    file_data;
    content:"Db2xsZWN0R2FyYmFnZS";
    classtype:misc-activity;
    sid:2016827; rev:3;
    metadata:created_at 2013_05_07, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, 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.