ET FILE_SHARING Observed File Sharing Service Domain (arvanstorage .ir in TLS SNI)

7.0.35.0SID: 2050731Rev: 2Enabled1 views
Sourceet/open
Fileemerging-file_sharing.rules
CreatedFebruary 6, 2024
UpdatedJune 14, 2024
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET FILE_SHARING Observed File Sharing Service Domain (arvanstorage .ir in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".arvanstorage.ir"; endswith; fast_pattern; threshold:type limit, count 1, seconds 600, track by_src; classtype:misc-activity; sid:2050731; rev:2; metadata:attack_target Client_Endpoint, created_at 2024_02_06, deployment Perimeter, former_category INFO, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_06_14;)

Metadata

attack targetClient_Endpoint
created at2024_02_06
deploymentPerimeter
former categoryINFO
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_06_14

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