process where host.os.type == "windows" and event.type == "start" and
/* Schedule service cmdline on Win10+ */
process.parent.name : "svchost.exe" and process.parent.args : "Schedule" and
/* add suspicious programs here */
process.pe.original_file_name in
(
"cscript.exe",
"wscript.exe",
"PowerShell.EXE",
"Cmd.Exe",
"MSHTA.EXE",
"RUNDLL32.EXE",
"REGSVR32.EXE",
"MSBuild.exe",
"InstallUtil.exe",
"RegAsm.exe",
"RegSvcs.exe",
"msxsl.exe",
"CONTROL.EXE",
"EXPLORER.EXE",
"Microsoft.Workflow.Compiler.exe",
"msiexec.exe"
) and
/* add suspicious paths here */
process.args : (
"C:\\Users\\*",
"C:\\ProgramData\\*",
"C:\\Windows\\Temp\\*",
"C:\\Windows\\Tasks\\*",
"C:\\PerfLogs\\*",
"C:\\Intel\\*",
"C:\\Windows\\Debug\\*",
"C:\\HP\\*") and
not (process.name : "cmd.exe" and process.args : "?:\\*.bat" and process.working_directory : "?:\\Windows\\System32\\") and
not (process.name : "cscript.exe" and process.args : "?:\\Windows\\system32\\calluxxprovider.vbs") and
not (
process.name : "powershell.exe" and
process.args : (
"-File", "-PSConsoleFile",
"C:\\ProgramData\\Microsoft\\AutopatchSetupScheduled\\SetupAutopatchClientV2Package.ps1",
"C:\\ProgramData\\Microsoft\\AutopatchSetupScheduled\\SetupAutopatchClientPackage.ps1"
) and user.id : "S-1-5-18"
) and
not (process.name : "msiexec.exe" and user.id : "S-1-5-18")
Install detection rules in Elastic Security
Detect Suspicious Execution via Scheduled Task 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).