LoFP LoFP / legitimate it staff often use remote management tools for system maintenance and troubleshooting. filter alerts to exclude trusted administrative activities.

Techniques

Sample rules

Windows RMM Tool Execution

Description

Detects process creation events of various remote access tools. Remote management tools, when used for legitimate purposes, can help IT professionals and system administrators remotely access and manage computer systems. However, threat actors may exploit these tools for malicious purposes.

Detection logic

`sysmon`
EventID = 1
(
    Company IN (
        "AmidaWare*",
        "Ammyy LLC*",
        "AnyDesk Software*",
        "ATERA Networks*",
        "bomgar*",
        "FleetDeck*",
        "GoTo, Inc*",
        "IDrive Inc*",
        "LogMeIn, Inc*",
        "MMSOFT Design*",
        "N-able*",
        "NetSupport Ltd*",
        "NinjaRMM*",
        "Remote Utilities*",
        "SimpleHelp*",
        "Servably*",
        "ScreenConnect*",
        "Splashtop*",
        "TeamViewer Germany*",
        "ZOHO Corporation*"
    )

    OR Description IN (
        "Advanced Monitoring Agent*",
        "AnyDesk*",
        "Ammyy Admin*",
        "AteraAgent*",
        "BeyondTrust Remote Support*",
        "FleetDeck*",
        "GoToAssist*",
        "GoToMyPC*",
        "Kaseya Live Connect*",
        "N-able*",
        "NetSupport Client Application*",
        "NinjaRMM*",
        "Pulseway*",
        "RemotePC*",
        "Remote Utilities*",
        "ScreenConnect*",
        "SimpleHelp Remote*",
        "Splashtop*",
        "Tactical RMM Agentz*",
        "Take Control Agent*",
        "Zoho Assist*"
    )

    OR Product IN (
        "Advanced Monitoring Agent*",
        "AnyDesk*",
        "Ammyy Admin*",
        "AteraAgent*",
        "BeyondTrust Remote Support*",
        "FleetDeck*",
        "GoToAssist*",
        "GoToMyPC*",
        "Kaseya Live Connect*",
        "NetSupport Remote Control*",
        "NetSupport Manager*",
        "NinjaRMM*",
        "Pulseway*",
        "Remote Access*",
        "Remote Support*",
        "Remote Utilities*",
        "RemotePC*",
        "Syncro*",
        "ScreenConnect*",
        "Splashtop*",
        "Tactical RMM Agent*",
        "Take Control Agent*",
        "TeamViewer*",
        "Zoho Assist*"
    )

    OR Image IN (
        "*AgentPackage*",
        "*AnyDesk.exe*",
        "*AteraAgent.exe*",
        "*BASupSrvc*",
        "*fleetdeck*",
        "*level.exe*",
        "*MeshAgent*",
        "*MspPlatform\\PME\\Installers*",
        "*NableCommand*",
        "*N-able Technologies*",
        "*NinjaRMM*",
        "*nxexec.exe*",
        "*nxserv*",
        "*nxplayer*",
        "*PCMonitor*",
        "*Pulseway*",
        "*remcmdstub.exe*",
        "*rustdesk.exe*",
        "*ScreenConnect*",
        "*Splashtop*",
        "*SRAgent.exe*",
        "*tacticalrmm.exe*",
        "*TakeControlTechConsole*",
        "*tailscale*",
        "*TeamViewer*",
        "*ZA_Connect*",
        "*ZMAgent*",
        "*ZohoMeeting*"
    )
)


| fillnull

| stats count min(_time) as firstTime
              max(_time) as lastTime
  by Computer Company Description Product Image action
     dest original_file_name parent_process
     parent_process_exec parent_process_guid
     parent_process_id parent_process_name
     parent_process_path process_hash
     process_integrity_level user user_id
     vendor_product


| `security_content_ctime(firstTime)`

| `security_content_ctime(lastTime)`

| `windows_rmm_tool_execution_filter`