ET INFO Observed Suspicious Domain (f5sec .s3 .il-central-1 .amazonaws .com in TLS SNI)
Sourceet/open
CreatedDecember 22, 2023
UpdatedDecember 22, 2023
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Suspicious Domain (f5sec .s3 .il-central-1 .amazonaws .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:35; content:"f5sec.s3.il-central-1.amazonaws.com"; fast_pattern; classtype:misc-activity; sid:2049832; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_12_22, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_22;)
Metadata
attack targetClient_Endpoint
created at2023_12_22
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_12_22
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