ET INFO Observed URL Shortening Service Domain (vk .com in TLS SNI)
Sourceet/open
CreatedAugust 29, 2022
UpdatedMay 26, 2023
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain (vk .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"vk.com"; bsize:6; fast_pattern; classtype:misc-activity; sid:2038650; rev:3; metadata:attack_target Client_Endpoint, created_at 2022_08_29, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_26;)
Metadata
attack targetClient_Endpoint
created at2022_08_29
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_05_26
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