ET INFO Observed URL Shortening Service Domain (s59 .site) in TLS SNI
Sourceet/open
CreatedApril 7, 2022
UpdatedApril 28, 2023
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain (s59 .site) in TLS SNI"; flow:established,to_server; tls.sni; content:"s59.site"; fast_pattern; classtype:misc-activity; sid:2035871; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_04_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_04_28;)
Metadata
attack targetClient_Endpoint
created at2022_04_07
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
updated at2023_04_28
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