Rule History

SID: 2063414 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Jul 11, 2025, 12:00 PM

Message:

ET INFO Observed PAY2KEY Domain (clients .pay2key .com in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed PAY2KEY Domain (clients .pay2key .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".clients.pay2key.com"; endswith; fast_pattern; reference:url,morphisec.com/blog/pay2key-resurgence-iranian-cyber-warfare/; classtype:misc-activity; sid:2063414; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_07_11, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_07_11;)

Created:

Jul 11, 2025, 12:00 PM

Updated:

Jul 11, 2025, 12:00 PM

DB Created:

Jul 11, 2025, 8:34 PM

DB Updated:

Jul 14, 2025, 9:34 PM

Filename:

rules/emerging-info.rules