ET INFO Simplenote Notes Taking App Domain (app .simplenote .com in TLS SNI)
Sourceet/open
CreatedOctober 4, 2023
UpdatedOctober 4, 2023
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Simplenote Notes Taking App Domain (app .simplenote .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:18; content:"app.simplenote.com"; fast_pattern; reference:url,simplenote.com; reference:url,urlscan.io/result/53bfdcbe-dc4b-4b9b-b02a-ce718e92756f/; classtype:misc-activity; sid:2048388; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_10_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag TA_Abused_Service, updated_at 2023_10_04, reviewed_at 2023_10_04;)
Metadata
attack targetClient_Endpoint
created at2023_10_04
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagTA_Abused_Service
updated at2023_10_04
reviewed at2023_10_04
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