ET HUNTING FTP CWD to windows system32 - Suspicious

Query · suricata

flow:established,to_server;
content:"CWD C|3a 5c|WINDOWS|5c|system32|5c|"; nocase;
Raw source ET HUNTING FTP CWD to windows system32 - Suspicious · Suricata
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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 21 (
    msg:"ET HUNTING FTP CWD to windows system32 - Suspicious";
    flow:established,to_server;
    content:"CWD C|3a 5c|WINDOWS|5c|system32|5c|"; nocase;
    classtype:trojan-activity;
    sid:2008556; rev:7;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_13;
)

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