ET INFO Observed URL Shortening Service Domain (vtaurl .com in TLS SNI)
Sourceet/open
CreatedMarch 23, 2022
UpdatedApril 28, 2023
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain (vtaurl .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"vtaurl.com"; bsize:10; fast_pattern; classtype:misc-activity; sid:2035563; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_03_23, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_28;)
Metadata
attack targetClient_Endpoint
created at2022_03_23
deploymentPerimeter
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_04_28
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