Rule History

SID: 2066406 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Dec 18, 2025, 12:00 PM

Message:

ET MALWARE Observed Etherhiding Domain (faxnamegl .top in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Etherhiding Domain (faxnamegl .top in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".faxnamegl.top"; endswith; fast_pattern; reference:url,jscrambler.com/blog/inside-takedown-resistant-skimmer-tricks; classtype:trojan-activity; sid:2066406; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_12_18, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_18;)

Created:

Dec 18, 2025, 12:00 PM

Updated:

Dec 18, 2025, 12:00 PM

DB Created:

Dec 18, 2025, 10:34 PM

DB Updated:

Dec 19, 2025, 10:34 PM

Filename:

rules/emerging-malware.rules