ET SCAN Nessus FTP Scan detected (ftp_writeable_directories.nasl)

Query · suricata

flow:to_server,established;
content:"MKD"; nocase; depth:3;
content:"Nessus"; nocase;
Raw source ET SCAN Nessus FTP Scan detected (ftp_writeable_directories.nasl) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert ftp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET SCAN Nessus FTP Scan detected (ftp_writeable_directories.nasl)";
    flow:to_server,established;
    content:"MKD"; nocase; depth:3;
    content:"Nessus"; nocase;
    reference:url,www.nessus.org/plugins/index.php?view=single&id=19782;
    reference:url,osvdb.org/show/osvdb/76;
    classtype:attempted-recon;
    sid:2013264; rev:2;
    metadata:created_at 2011_07_13, confidence Medium, signature_severity Informational, updated_at 2019_07_26;
)

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