ET INFO Observed Kaseya Pulseway Domain (pulseway .s3-accelerate .amazonaws .com) in TLS SNI
Sourceet/open
CreatedJanuary 16, 2026
UpdatedJanuary 16, 2026
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Kaseya Pulseway Domain (pulseway .s3-accelerate .amazonaws .com) in TLS SNI"; flow:established,to_server; tls.sni; bsize:36; content:"pulseway.s3-accelerate.amazonaws.com"; fast_pattern; reference:url,lolrmm.io/tools/pulseway; classtype:misc-activity; sid:2066800; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2026_01_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2026_01_16, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1219, mitre_technique_name Remote_Access_Software;)
References
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_and_Server
created at2026_01_16
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
updated at2026_01_16
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1219
mitre technique nameRemote_Access_Software
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