ET INFO Observed DNS Related Tools Domain (viewdns .net in TLS SNI)
Sourceet/open
CreatedMarch 7, 2024
UpdatedMarch 7, 2024
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed DNS Related Tools Domain (viewdns .net in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".viewdns.net"; endswith; fast_pattern; reference:url,viewdns.info/api/docs/; classtype:misc-activity; sid:2051518; rev:1; metadata:attack_target Client_and_Server, created_at 2024_03_07, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_07;)
References
Metadata
attack targetClient_and_Server
created at2024_03_07
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_07
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