Versions (4)
Version DetailsCurrent
Rev: 1 • Jan 10, 2023, 12:00 PMET INFO Observed Delivr .to Phishing/Security Simulation Service Domain (delivrto .me in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Delivr .to Phishing/Security Simulation Service Domain (delivrto .me in TLS SNI)"; flow:established,to_server; tls.sni; content:"delivrto.me"; bsize:11; fast_pattern; reference:url,delivr.to/; classtype:misc-activity; sid:2043253; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_01_10, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_10;)
Jan 10, 2023, 12:00 PM
Jan 10, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 26, 2025, 9:34 PM
rules/emerging-info.rules