✄𐘗
text code block:
✄𐘗/* This rule is only compatible with Elastic Endpoint 8.4+ */

process where host.os.type == "windows" and event.action == "start" and

 /* CreateProcessWithToken and effective parent is a privileged MS native binary used as a target for token theft */
 user.id == "S-1-5-18"  and process.parent.executable != null and

 /* Token Theft target process usually running as service are located in one of the following paths */
 process.Ext.effective_parent.executable : "?:\\Windows\\*.exe" and

/* Ignores Utility Manager in Windows running in debug mode */
 not (process.Ext.effective_parent.executable : "?:\\Windows\\System32\\Utilman.exe" and
      process.parent.executable : "?:\\Windows\\System32\\Utilman.exe" and process.parent.args : "/debug") and

/* Ignores Windows print spooler service with correlation to Access Intelligent Form */
not (process.parent.executable : ("?\\Windows\\System32\\spoolsv.exe", "C:\\Windows\\System32\\PrintIsolationHost.exe") and
     process.executable: ("?:\\Program Files\\*.exe",
                          "?:\\Program Files (x86)\\*.exe",
                          "?:\\Windows\\System32\\spool\\drivers\\*.exe",
                          "?:\\Windows\\System32\\ROUTE.EXE")) and

/* Ignores Windows error reporting executables */
 not process.executable : ("?:\\Windows\\System32\\WerFault.exe",
                           "?:\\Windows\\SysWOW64\\WerFault.exe",
                           "?:\\Windows\\System32\\WerFaultSecure.exe",
                           "?:\\Windows\\SysWOW64\\WerFaultSecure.exe",
                           "?:\\windows\\system32\\WerMgr.exe",
                           "?:\\Windows\\SoftwareDistribution\\Download\\Install\\securityhealthsetup.exe")  and

 /* Ignores Windows updates from TiWorker.exe that runs with elevated privileges */
 not (process.parent.executable : "?:\\Windows\\WinSxS\\*\\TiWorker.exe" and
      process.executable : ("?:\\Windows\\Microsoft.NET\\Framework*.exe",
                            "?:\\Windows\\WinSxS\\*.exe",
                            "?:\\Windows\\System32\\inetsrv\\iissetup.exe",
                            "?:\\Windows\\SysWOW64\\inetsrv\\iissetup.exe",
                            "?:\\Windows\\System32\\inetsrv\\aspnetca.exe",
                            "?:\\Windows\\SysWOW64\\inetsrv\\aspnetca.exe",
                            "?:\\Windows\\System32\\lodctr.exe",
                            "?:\\Windows\\SysWOW64\\lodctr.exe",
                            "?:\\Windows\\System32\\netcfg.exe",
                            "?:\\Windows\\Microsoft.NET\\Framework*\\*\\ngen.exe",
                            "?:\\Windows\\Microsoft.NET\\Framework*\\*\\aspnet_regiis.exe")) and


/* Ignores additional parent executables that run with elevated privileges */
 not process.parent.executable :
               ("?:\\Windows\\System32\\AtBroker.exe",
                "?:\\Windows\\system32\\svchost.exe",
                "?:\\Program Files (x86)\\*.exe",
                "?:\\Program Files\\*.exe",
                "?:\\Windows\\System32\\msiexec.exe",
                "?:\\Windows\\System32\\DriverStore\\*",
                "?:\\Windows\\LTSvc\\*\\Update.exe") and

/* Ignores Windows binaries with a trusted signature and specific signature name */
 not (process.code_signature.trusted == true and
      process.code_signature.subject_name :
                ("philandro Software GmbH",
                 "Freedom Scientific Inc.",
                 "TeamViewer Germany GmbH",
                 "Projector.is, Inc.",
                 "TeamViewer GmbH",
                 "Cisco WebEx LLC",
                 "Dell Inc",
                 "Sophos Ltd",
                 "Sophos Limited",
                 "Brother Industries, Ltd.",
                 "MILVUS INOVACOES EM SOFTWARE LTDA",
                 "Chocolatey Software, Inc")) and

 not (process.Ext.effective_parent.executable : "?:\\Windows\\servicing\\TrustedInstaller.exe" and
      process.executable : "C:\\Windows\\WinSxS\\amd64_microsoft-windows-servicingstack_*\\TiWorker.exe") and

 not process.Ext.effective_parent.executable : "?:\\Windows\\ServiceProfiles\\LocalService\\AppData\\Local\\ServicePortalAgent\\current\\emulator\\MmrAgent.NetFxEmulator.exe"