ET VOIP Asterisk Register with no URI or Version DOS Attempt
Sourceet/open
CreatedJuly 30, 2010
UpdatedJuly 26, 2019
Classificationattempted-dos
alert udp $EXTERNAL_NET any -> $HOME_NET 5060 (msg:"ET VOIP Asterisk Register with no URI or Version DOS Attempt"; content:"REGISTER|0d 0a|"; nocase; depth:10; content:!"SIP/"; distance:0; reference:url,labs.musecurity.com/advisories/MU-200703-01.txt; reference:url,tools.ietf.org/html/rfc3261; classtype:attempted-dos; sid:2003474; rev:6; metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Metadata
created at2010_07_30
confidenceMedium
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2019_07_26
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