Rule History

SID: 2018318 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • Mar 25, 2014, 12:00 PM

Message:

ET SCAN NMAP SIP Version Detection Script Activity

Rule:

alert tcp $EXTERNAL_NET any -> $HOME_NET 5060:5061 (msg:"ET SCAN NMAP SIP Version Detection Script Activity"; content:"Via|3A| SIP/2.0/TCP nm"; content:"From|3A| <sip|3A|nm@nm"; within:150; fast_pattern; classtype:attempted-recon; sid:2018318; rev:1; metadata:created_at 2014_03_25, confidence Low, signature_severity Informational, updated_at 2019_07_26;)

Created:

Mar 25, 2014, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-scan.rules