Rule History

SID: 2066482 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Dec 26, 2025, 12:00 PM

Message:

ET MALWARE Observed XWorm Payload Delivery Domain in TLS SNI

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed XWorm Payload Delivery Domain in TLS SNI"; flow:established,to_server; tls.sni; bsize:28; content:"hotdecjanniygga.blogspot.com"; fast_pattern; reference:md5,c1961e2c5b2e2dc6c431723ec26ce5ba; classtype:trojan-activity; sid:2066482; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_12_26, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_26;)

Created:

Dec 26, 2025, 12:00 PM

Updated:

Dec 26, 2025, 12:00 PM

DB Created:

Dec 26, 2025, 6:34 PM

DB Updated:

Dec 29, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules