ET INFO Observed Anonymous Filesharing Service Domain (filemail .com) in TLS SNI

SID: 2063138Rev: 110 views

Sourceet/open

CreatedJune 23, 2025

UpdatedJune 23, 2025

Classificationmisc-activity

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Anonymous Filesharing Service Domain (filemail .com) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".filemail.com"; endswith; fast_pattern; classtype:misc-activity; sid:2063138; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2025_06_23, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2025_06_23, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1567, mitre_technique_name Exfiltration_Over_Web_Service;)

Metadata

affected productAny

attack targetClient_and_Server

created at2025_06_23

deploymentPerimeter

performance impactLow

confidenceHigh

signature severityInformational

updated at2025_06_23

mitre tactic idTA0010

mitre tactic nameExfiltration

mitre technique idT1567

mitre technique nameExfiltration_Over_Web_Service

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