ET INFO Observed URL Shortening Service Domain (t .ly in TLS SNI)
Sourceet/open
CreatedNovember 28, 2022
UpdatedApril 28, 2023
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain (t .ly in TLS SNI)"; flow:established,to_server; tls.sni; content:"t.ly"; bsize:4; fast_pattern; classtype:misc-activity; sid:2040136; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_11_28, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_28;)
Metadata
attack targetClient_Endpoint
created at2022_11_28
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_04_28
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