process where host.os.type == "windows" and event.type == "start" and
(?process.Ext.token.integrity_level_name : "System" or
?winlog.event_data.IntegrityLevel : "System") and
(
process.name : "whoami.exe" or
(
process.name : "net1.exe" and not process.parent.name : "net.exe" and not process.args : ("start", "stop", "/active:*")
)
) and
process.parent.executable != null and
not (process.name : "net1.exe" and process.working_directory : "C:\\ProgramData\\Microsoft\\Windows Defender Advanced Threat Protection\\Downloads\\") and
not process.parent.executable :
("C:\\Program Files\\Microsoft Monitoring Agent\\Agent\\MonitoringHost.exe",
"C:\\Program Files\\Dell\\SupportAssistAgent\\SRE\\SRE.exe",
"C:\\Program Files\\Obkio Agent\\main.dist\\ObkioAgentSoftware.exe",
"C:\\Windows\\Temp\\WinGet\\defaultState\\PostgreSQL.PostgreSQL*\\postgresql-*-windows-x64.exe",
"C:\\Program Files\\Obkio Agent\\main.dist\\ObkioAgentSoftware.exe",
"C:\\Program Files (x86)\\SolarWinds\\Agent\\Plugins\\JobEngine\\SWJobEngineWorker2.exe") and
not (process.parent.executable : "C:\\Windows\\Sys?????\\WindowsPowerShell\\v1.0\\powershell.exe" and
process.parent.args : ("C:\\Program Files (x86)\\Microsoft Intune Management Extension\\*.ps1",
"Agent\\Modules\\AdHealthConfiguration\\AdHealthConfiguration.psd1'")) and
not (process.parent.name : "cmd.exe" and process.working_directory : "C:\\Program Files\\Infraon Corp\\SecuraAgent\\")
Install detection rules in Elastic Security
Detect Account Discovery Command via SYSTEM Account in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).