ET INFO Commonly Abused SSL/TLS Certificate Observed (mylnavyfederal .com)
Sourceet/open
Fileemerging-info.rules
CreatedApril 27, 2022
UpdatedMarch 26, 2024
Classificationbad-unknown
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Commonly Abused SSL/TLS Certificate Observed (mylnavyfederal .com)"; flow:established,to_client ; tls.cert_subject; bsize:23; content:"CN=*.mylnavyfederal.com"; fast_pattern; reference:md5,1f28014859bd7cc1a4240aebb5241af0 ; classtype:bad-unknown; sid:2036389; rev:3; metadata:attack_target Client_Endpoint, created_at 2022_04_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_26;)
References
| md5 | 1f28014859bd7cc1a4240aebb5241af0 |
Metadata
attack targetClient_Endpoint
created at2022_04_27
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_26
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