Versions (5)
Version DetailsCurrent
Rev: 4 • Jul 11, 2024, 12:00 PMET INFO Observed Domain Hosting Port Scanning Tools Domain (advanced-port-scanner .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Domain Hosting Port Scanning Tools Domain (advanced-port-scanner .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".advanced-port-scanner.com"; endswith; fast_pattern; reference:url,x.com/CyberRaiju/status/1811314197742940258; reference:url,x.com/ValidinLLC/status/1811407786019840292; classtype:misc-activity; sid:2054451; rev:4; metadata:attack_target Client_Endpoint, created_at 2024_07_11, deployment Perimeter, former_category MALWARE, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_12, reviewed_at 2025_05_14, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jul 11, 2024, 12:00 PM
Jul 12, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 11, 2025, 10:35 PM
rules/emerging-info.rules