ET INFO Remote Monitoring and Management (RMM) Tool in TLS SNI (atera-agent-heartbeat .servicebus .windows .net)

SID: 2067704Rev: 10 views

Sourceet/open

CreatedFebruary 13, 2026

UpdatedFebruary 13, 2026

Classificationmisc-activity

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Remote Monitoring and Management (RMM) Tool in TLS SNI (atera-agent-heartbeat .servicebus .windows .net)"; flow:established,to_server; tls.sni; bsize:44; content:"atera-agent-heartbeat.servicebus.windows.net"; fast_pattern; reference:url,attack.mitre.org/techniques/T1219/; reference:url,help.gorelo.io/en/articles/8651857-gorelo-connect-remote-control; reference:url,discord.gorelo.io/m/1399561240031789116; classtype:misc-activity; sid:2067704; rev:1; metadata:created_at 2026_02_13, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_13;)

References

url	attack.mitre.org/techniques/T1219/
url	help.gorelo.io/en/articles/8651857-gorelo-connect-remote-control
url	discord.gorelo.io/m/1399561240031789116

Metadata

created at2026_02_13

performance impactLow

confidenceHigh

signature severityInformational

tagDescription_Generated_By_Proofpoint_Nexus

updated at2026_02_13

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