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SID: 2023903 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3Feb 14, 2017, 12:00 PM

ET MALWARE Unknown Malicious SSL Cert 2

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Unknown Malicious SSL Cert 2"; flow:established,to_client; tls.cert_subject; content:"CN=estimate.mefound.com"; classtype:domain-c2; sid:2023903; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2017_02_14, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_19, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)

Feb 14, 2017, 12:00 PM

Apr 19, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

May 30, 2025, 12:04 AM

rules/emerging-malware.rules