ET SCAN Possible DavTest WebDav Vulnerability Scanner Initial Check Detected

Query · suricata

flow:established,to_server;
content:"PROPFIND "; depth:9;
content:"D|3A|propfind xmlns|3A|D=|22|DAV|3A 22|><D|3A|allprop/></D|3A|propfind>"; distance:0;
Raw source ET SCAN Possible DavTest WebDav Vulnerability Scanner Initial Check Detected · 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 $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (
    msg:"ET SCAN Possible DavTest WebDav Vulnerability Scanner Initial Check Detected";
    flow:established,to_server;
    content:"PROPFIND "; depth:9;
    content:"D|3A|propfind xmlns|3A|D=|22|DAV|3A 22|><D|3A|allprop/></D|3A|propfind>"; distance:0;
    reference:url,www.darknet.org.uk/2010/04/davtest-webdav-vulerability-scanning-scanner-tool/;
    reference:url,code.google.com/p/davtest/;
    classtype:attempted-recon;
    sid:2011088; rev:4;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, updated_at 2019_07_26;
)

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