ET MALWARE Observed Malicious SSL/TLS Certificate (APT-C-55/BabyShark Staging Domain)
Sourceet/open
CreatedJune 7, 2022
UpdatedJune 7, 2022
Classificationdomain-c2
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL/TLS Certificate (APT-C-55/BabyShark Staging Domain)"; flow:from_server,established; tls.cert_subject; content:"CN=frebough.com"; fast_pattern; classtype:domain-c2; sid:2036888; rev:1; metadata:attack_target Client_and_Server, created_at 2022_06_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_07, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)
Metadata
attack targetClient_and_Server
created at2022_06_07
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_06_07
mitre tactic idTA0042
mitre tactic nameResource_Development
mitre technique idT1587
mitre technique nameDevelop_Capabilities
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