Elastic low stable kql
Statistical Model Detected C2 Beaconing Activity
A statistical model has identified command-and-control (C2) beaconing activity. Beaconing can help attackers maintain stealthy communication with their C2 servers, receive instructions and payloads, exfiltrate data and maintain persistence in a network.
Detection Logic
beacon_stats.is_beaconing: true and
not process.name: ("WaAppAgent.exe" or "metricbeat.exe" or "packetbeat.exe" or "WindowsAzureGuestAgent.exe" or "HealthService.exe" or "Widgets.exe" or "lsass.exe" or "msedgewebview2.exe" or
"MsMpEng.exe" or "OUTLOOK.EXE" or "msteams.exe" or "FileSyncHelper.exe" or "SearchProtocolHost.exe" or "Creative Cloud.exe" or "ms-teams.exe" or "ms-teamsupdate.exe" or
"curl.exe" or "rundll32.exe" or "MsSense.exe" or "wermgr.exe" or "java" or "olk.exe" or "iexplore.exe" or "NetworkManager" or "packetbeat" or "Ssms.exe" or "NisSrv.exe" or
"gamingservices.exe" or "appidcertstorecheck.exe" or "POWERPNT.EXE" or "miiserver.exe" or "Grammarly.Desktop.exe" or "SnagitEditor.exe" or "CRWindowsClientService.exe" or
"agentbeat" or "dnf" or "yum" or "apt"
) Field Validations
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