ET REMOTE_ACCESS Observed Remote Monitoring and Management (RMM) Tool in TLS SNI (packagesstore .blob .core .windows .net)
Sourceet/open
Fileemerging-remote_access.rules
CreatedJuly 17, 2026
UpdatedJuly 17, 2026
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET REMOTE_ACCESS Observed Remote Monitoring and Management (RMM) Tool in TLS SNI (packagesstore .blob .core .windows .net)"; flow:established,to_server ; tls.sni; bsize:35; content:"packagesstore.blob.core.windows.net"; fast_pattern; reference:url,lolrmm.io/tools/atera ; classtype:misc-activity; sid:2071227; rev:1; metadata:affected_product Any, attack_target Client_and_Server, created_at 2026_07_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag RMM, updated_at 2026_07_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1219, mitre_technique_name Remote_Access_Software; target:src_ip;)
References
Metadata
affected productAny
attack targetClient_and_Server
created at2026_07_17
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagRMM
updated at2026_07_17
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1219
mitre technique nameRemote_Access_Software
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