Rule History

SID: 2060158 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Feb 18, 2025, 12:00 PM

Message:

ET MALWARE Observed REF7707 Domain (cloud .autodiscovar .com in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed REF7707 Domain (cloud .autodiscovar .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".cloud.autodiscovar.com"; endswith; fast_pattern; reference:url,www.elastic.co/security-labs/fragile-web-ref7707; classtype:trojan-activity; sid:2060158; rev:2; metadata:attack_target Client_Endpoint, created_at 2025_02_18, deployment Perimeter, deprecation_reason Age, confidence High, signature_severity Major, tag REF7707, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_04_15, reviewed_at 2025_04_15;)

Created:

Feb 18, 2025, 12:00 PM

Updated:

Apr 15, 2025, 12:00 PM

DB Created:

Feb 25, 2025, 5:11 AM

DB Updated:

Jul 7, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules