ET SCAN NMAP SIP Version Detect OPTIONS Scan
Sourceet/open
CreatedMarch 25, 2014
UpdatedJuly 26, 2019
Classificationattempted-recon
alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET SCAN NMAP SIP Version Detect OPTIONS Scan"; flow:established,to_server; content:"OPTIONS sip|3A|nm SIP/"; depth:19; classtype:attempted-recon; sid:2018317; rev:1; metadata:created_at 2014_03_25, confidence Low, signature_severity Informational, updated_at 2019_07_26;)
Metadata
created at2014_03_25
confidenceLow
signature severityInformational
updated at2019_07_26
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