ET INFO Observed Online Email Hosting Provider Domain (mail .privateemail .com in TLS SNI)
Sourceet/open
CreatedSeptember 11, 2025
UpdatedSeptember 11, 2025
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Online Email Hosting Provider Domain (mail .privateemail .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:21; content:"mail.privateemail.com"; fast_pattern; reference:md5,65863868eacac1fe96fcf7f168b4baaa; classtype:misc-activity; sid:2064575; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_09_11, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_11;)
References
| md5 | 65863868eacac1fe96fcf7f168b4baaa |
Metadata
attack targetClient_Endpoint
created at2025_09_11
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2025_09_11
Comments (0)
Please sign in to leave a comment.
Sign inNo comments yet. Be the first to comment!