Rule History

SID: 2066138 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Dec 8, 2025, 12:00 PM

Message:

ET MALWARE TA569 Middleware Server Domain in TLS SNI (brands .khaitara .com)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TA569 Middleware Server Domain in TLS SNI (brands .khaitara .com)"; flow:established,to_server; tls.sni; bsize:19; content:"brands.khaitara.com"; fast_pattern; reference:url,community.emergingthreats.net/t/et-socgholish-rules-response-guidance/335; classtype:trojan-activity; sid:2066138; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_12_08, deployment Perimeter, malware_family SocGholish, performance_impact Low, confidence High, signature_severity Major, tag Exploit_Kit, tag ta569, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_10;)

Created:

Dec 8, 2025, 12:00 PM

Updated:

Dec 10, 2025, 12:00 PM

DB Created:

Dec 8, 2025, 10:34 PM

DB Updated:

Dec 11, 2025, 10:34 PM

Filename:

rules/emerging-malware.rules