ET INFO KeyAuth Open-source Authentication System Domain (keyauth .win) in TLS SNI
Sourceet/open
CreatedJanuary 19, 2024
UpdatedJanuary 19, 2024
Classificationbad-unknown
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO KeyAuth Open-source Authentication System Domain (keyauth .win) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".keyauth.win"; endswith; fast_pattern; reference:url,community.emergingthreats.net/t/false-positive-et-info-domain-virustotal/2049; classtype:bad-unknown; sid:2050233; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_01_19, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2024_01_19;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2024_01_19
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
updated at2024_01_19
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