ET INFO Observed URI Shortening Service Domain (cli .re in TLS SNI)
Sourceet/open
CreatedDecember 26, 2023
UpdatedDecember 26, 2023
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URI Shortening Service Domain (cli .re in TLS SNI)"; flow:established,to_server; tls.sni; bsize:6; content:"cli.re"; fast_pattern; classtype:misc-activity; sid:2049841; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_12_26, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_26, reviewed_at 2024_03_25; target:src_ip;)
Metadata
attack targetClient_Endpoint
created at2023_12_26
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_12_26
reviewed at2024_03_25
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