ET INFO Observed Blockchain Domain (api .blockcypher .com in TLS SNI)

7.0.35.0SID: 2033877Rev: 2Enabled3 views
Sourceet/open
Fileemerging-info.rules
CreatedSeptember 2, 2021
UpdatedMarch 25, 2024
Classificationbad-unknown
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Blockchain Domain (api .blockcypher .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:19; content:"api.blockcypher.com"; fast_pattern; classtype:bad-unknown; sid:2033877; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_09_02, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_25;)

Metadata

attack targetClient_Endpoint
created at2021_09_02
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_03_25

Comments (0)

Please sign in to leave a comment.
Sign in

No comments yet. Be the first to comment!