ET INFO URL Shortener Service Domain in TLS SNI (bulkurlshortener .com)
Sourceet/open
CreatedDecember 12, 2023
UpdatedDecember 12, 2023
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO URL Shortener Service Domain in TLS SNI (bulkurlshortener .com)"; flow:established,to_server; tls.sni; bsize:20; content:"bulkurlshortener.com"; fast_pattern; classtype:misc-activity; sid:2049679; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_12_12, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_12, reviewed_at 2024_03_19;)
Metadata
attack targetClient_Endpoint
created at2023_12_12
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_12_12
reviewed at2024_03_19
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