ET INFO Observed Let's Encrypt Certificate from Retired Intermediate

7.0.35.0SID: 2035189Rev: 3Enabled1 views
Sourceet/open
Fileemerging-info.rules
CreatedFebruary 14, 2022
UpdatedMarch 8, 2024
Classificationmisc-activity
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Observed Let's Encrypt Certificate from Retired Intermediate"; flow:established,to_client; tls_cert_issuer; content:"Let's Encrypt Authority X"; fast_pattern; depth:25; offset:0; reference:url,letsencrypt.org/certificates/; classtype:misc-activity; sid:2035189; rev:3; metadata:created_at 2022_02_14, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_08;)

References

urlletsencrypt.org/certificates/

Metadata

created at2022_02_14
deploymentSSLDecrypt
performance impactLow
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_08

Comments (0)

Please sign in to leave a comment.
Sign in

No comments yet. Be the first to comment!