Versions (3)
Version DetailsCurrent
Rev: 2 • Feb 7, 2011, 12:00 PMET VOIP Modified Sipvicious Asterisk PBX User-Agent
alert udp $EXTERNAL_NET any -> $HOME_NET 5060 (msg:"ET VOIP Modified Sipvicious Asterisk PBX User-Agent"; content:"|0d 0a|User-Agent|3A| Asterisk PBX"; nocase; threshold:type limit, count 1, seconds 60, track by_src; reference:url,blog.sipvicious.org/2010/11/distributed-sip-scanning-during.html; classtype:attempted-recon; sid:2012296; rev:2; metadata:created_at 2011_02_07, confidence Medium, signature_severity Informational, updated_at 2019_07_26;)
Feb 7, 2011, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-voip.rules