Versions (5)
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Rev: 1 • Jan 13, 2021, 12:00 PMET MALWARE Observed Malicious SSL Cert (MassLogger)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (MassLogger)"; flow:established,to_client; tls.cert_subject; content:"CN=bestpccare.best"; bsize:18; fast_pattern; reference:url,twitter.com/jorgemieres/status/1306608136623718401; classtype:domain-c2; sid:2031521; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2021_01_13, deployment Perimeter, malware_family MassLogger, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_13, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jan 13, 2021, 12:00 PM
Jan 13, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 15, 2025, 9:36 PM
rules/emerging-malware.rules