ET INFO External IP Address Lookup Domain (ipify .org) in TLS SNI
Sourceet/open
CreatedAugust 22, 2023
UpdatedAugust 22, 2023
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO External IP Address Lookup Domain (ipify .org) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".ipify.org"; endswith; fast_pattern; classtype:misc-activity; sid:2047703; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2023_08_22, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag External_IP_Lookup, updated_at 2023_08_22, reviewed_at 2023_08_22;)
Metadata
affected productAny
attack targetClient_and_Server
created at2023_08_22
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagExternal_IP_Lookup
updated at2023_08_22
reviewed at2023_08_22
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