Versions (4)
Version DetailsCurrent
Rev: 1 • Mar 5, 2024, 12:00 PMET MALWARE Observed TA453 Domain in TLS SNI
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed TA453 Domain in TLS SNI"; flow:established,to_server; tls.sni; bsize:17; content:"tnt200.mywire.org"; fast_pattern; reference:url,cloud.google.com/blog/topics/threat-intelligence/untangling-iran-apt42-operations; classtype:trojan-activity; sid:2052442; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_03_05, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_06, former_sid 2856455, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Mar 5, 2024, 12:00 PM
May 6, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 11, 2025, 10:35 PM
rules/emerging-malware.rules