Rule History

SID: 2066403 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Dec 18, 2025, 12:00 PM

Message:

ET INFO Observed Smart Chain Domain in TLS SNI (bnb-testnet .api .onfinality .io)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Smart Chain Domain in TLS SNI (bnb-testnet .api .onfinality .io)"; flow:established,to_server; tls.sni; dotprefix; content:".bnb-testnet.api.onfinality.io"; endswith; fast_pattern; classtype:misc-activity; sid:2066403; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_12_18, deployment Perimeter, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_18;)

Created:

Dec 18, 2025, 12:00 PM

Updated:

Dec 18, 2025, 12:00 PM

DB Created:

Dec 18, 2025, 10:34 PM

DB Updated:

Dec 19, 2025, 10:34 PM

Filename:

rules/emerging-info.rules