Rule History

SID: 2065494 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Oct 27, 2025, 12:00 PM

Message:

ET INFO Blockchain RPC Domain in TLS SNI (api .avax .network)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Blockchain RPC Domain in TLS SNI (api .avax .network)"; flow:established,to_server; tls.sni; bsize:16; content:"api.avax.network"; fast_pattern; reference:url,support.avax.network/en/articles/6159007-what-apis-are-available-on-avalanche; classtype:misc-activity; sid:2065494; rev:1; metadata:created_at 2025_10_27, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_27;)

Created:

Oct 27, 2025, 12:00 PM

Updated:

Oct 27, 2025, 12:00 PM

DB Created:

Oct 27, 2025, 10:34 PM

DB Updated:

Oct 28, 2025, 8:34 PM

Filename:

rules/emerging-info.rules