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SID: 2030210 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1May 22, 2020, 12:00 PM

ET MALWARE Observed MAZE Ransomware CnC Domain (plaintsotherest .net in TLS SNI)

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed MAZE Ransomware CnC Domain (plaintsotherest .net in TLS SNI)"; flow:established,to_server; tls.sni; content:"plaintsotherest.net"; bsize:19; reference:url,www.fireeye.com/blog/threat-research/2020/05/tactics-techniques-procedures-associated-with-maze-ransomware-incidents.html; classtype:command-and-control; sid:2030210; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_05_22, deployment Perimeter, malware_family Maze_Ransomware, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_22, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

May 22, 2020, 12:00 PM

May 22, 2020, 12:00 PM

Sep 21, 2024, 3:00 AM

Sep 18, 2025, 8:36 PM

rules/emerging-malware.rules