ET INFO Observed URL Shortening Service Domain (trimmer .to in TLS SNI)
Sourceet/open
CreatedApril 18, 2024
UpdatedApril 18, 2024
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain (trimmer .to in TLS SNI)"; flow:established,to_server; tls.sni; bsize:10; content:"trimmer.to"; fast_pattern; classtype:misc-activity; sid:2052166; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_04_18, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_18;)
Metadata
attack targetClient_Endpoint
created at2024_04_18
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_04_18
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