Rule History

SID: 2057194 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Nov 1, 2024, 12:00 PM

Message:

ET MALWARE Observed BlackShadow Domain (vacationtogotravels .net in TLS SNI)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed BlackShadow Domain (vacationtogotravels .net in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".vacationtogotravels.net"; endswith; fast_pattern; reference:url,www.gov.il/he/pages/alert_1817; classtype:trojan-activity; sid:2057194; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_11_01, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

Created:

Nov 1, 2024, 12:00 PM

Updated:

Nov 1, 2024, 12:00 PM

DB Created:

Dec 3, 2024, 4:00 PM

DB Updated:

Jul 15, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules