Rule History

SID: 2051734 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Mar 20, 2024, 12:00 PM

Message:

ET DELETED Observed Fenix Botnet Domain (d1kv9jqywn0dfi .cloudfront .net in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Observed Fenix Botnet Domain (d1kv9jqywn0dfi .cloudfront .net in TLS SNI)"; flow:established,to_server; tls.sni; bsize:29; content:"d1kv9jqywn0dfi.cloudfront.net"; fast_pattern; reference:url,www.metabaseq.com/fenix-botnet/; classtype:trojan-activity; sid:2051734; rev:4; metadata:attack_target Client_Endpoint, created_at 2024_03_20, deployment Perimeter, deprecation_reason False_Positive, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_26;)

Created:

Mar 20, 2024, 12:00 PM

Updated:

Mar 26, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Aug 12, 2025, 9:34 PM

Filename:

rules/emerging-deleted.rules