Rule History

SID: 2066012 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Dec 4, 2025, 12:00 PM

Message:

ET EXPLOIT_KIT Malicious TA2726 TDS Domain in TLS SNI (tdsworkout .com)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Malicious TA2726 TDS Domain in TLS SNI (tdsworkout .com)"; flow:established,to_server; tls.sni; dotprefix; content:".tdsworkout.com"; endswith; fast_pattern; reference:url,community.emergingthreats.net/t/et-socgholish-rules-response-guidance/335; classtype:exploit-kit; sid:2066012; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_12_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag TDS, tag compromised_website, tag TA2726, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_04;)

Created:

Dec 4, 2025, 12:00 PM

Updated:

Dec 4, 2025, 12:00 PM

DB Created:

Dec 4, 2025, 10:34 PM

DB Updated:

Dec 5, 2025, 11:34 PM

Filename:

rules/emerging-exploit_kit.rules