ET MALWARE Observed Malicious SSL/TLS Certificate (SilentLibrarian)

7.0.35.0SID: 2037246Rev: 3Enabled6 views
Sourceet/open
Fileemerging-malware.rules
CreatedJuly 1, 2022
UpdatedApril 22, 2024
Classificationdomain-c2
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL/TLS Certificate (SilentLibrarian)"; flow:established,to_client; tls.certs; content:"|55 1d 11|"; tls.cert_subject; content:"*.rnit.me"; fast_pattern; classtype:domain-c2; sid:2037246; rev:3; metadata:created_at 2022_07_01, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_22;)

Metadata

created at2022_07_01
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_04_22

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