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SID: 2043253 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1Jan 10, 2023, 12:00 PM

ET 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