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SID: 2021596 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 3Aug 5, 2015, 12:00 PM

ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex)

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex)"; flow:established,to_client; tls.cert_serial; content:"00:"; startswith; tls.cert_subject; content:"O=Monsanto"; content:"OU=SmartPhones"; fast_pattern; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2021596; rev:3; metadata:attack_target Client_and_Server, created_at 2015_08_05, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_09, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)

Aug 5, 2015, 12:00 PM

Apr 9, 2024, 12:00 PM

Sep 21, 2024, 3:00 AM

May 30, 2025, 12:04 AM

rules/emerging-malware.rules