Versions (2)
Version DetailsCurrent
Rev: 1 • Aug 11, 2023, 12:00 PMET INFO Observed URI Shortening Service Domain (p1 .rs in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URI Shortening Service Domain (p1 .rs in TLS SNI)"; flow:established,to_server; tls.sni; bsize:5; content:"p1.rs"; fast_pattern; classtype:misc-activity; sid:2047624; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_08_11, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_11;)
Aug 11, 2023, 12:00 PM
Aug 11, 2023, 12:00 PM
Aug 11, 2023, 10:00 PM
Aug 19, 2025, 9:35 PM
rules/emerging-info.rules