Rule History

SID: 2065677 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Nov 5, 2025, 12:00 PM

Message:

ET PHISHING Observed Phishing Domain (serviciomarconi .cl in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Observed Phishing Domain (serviciomarconi .cl in TLS SNI)"; flow:established,to_server; tls.sni; bsize:18; content:"serviciomarconi.cl"; fast_pattern; classtype:social-engineering; sid:2065677; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_11_05, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_05;)

Created:

Nov 5, 2025, 12:00 PM

Updated:

Nov 5, 2025, 12:00 PM

DB Created:

Nov 5, 2025, 10:34 PM

DB Updated:

Nov 6, 2025, 10:34 PM

Filename:

rules/emerging-phishing.rules