ET INFO Encrypted Messaging Service in TLS SNI (getsession .org)
Sourceet/open
CreatedFebruary 13, 2024
UpdatedFebruary 13, 2024
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Encrypted Messaging Service in TLS SNI (getsession .org)"; flow:established,to_server; tls.sni; dotprefix; content:".getsession.org"; endswith; fast_pattern; classtype:misc-activity; sid:2050813; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_13, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_13, reviewed_at 2024_03_19;)
Metadata
attack targetClient_Endpoint
created at2024_02_13
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2024_02_13
reviewed at2024_03_19
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