IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Suspicious Execution via Scheduled Task
editSuspicious Execution via Scheduled Task
editIdentifies execution of a suspicious program via scheduled tasks by looking at process lineage and command line usage.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Persistence
Version: 3 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 7.12.0
Rule authors: Elastic
Rule license: Elastic License v2
Potential false positives
editLegitimate scheduled tasks running third party software.
Rule query
editprocess where 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\\*")
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Scheduled Task/Job
- ID: T1053
- Reference URL: https://attack.mitre.org/techniques/T1053/
Rule version history
edit- Version 3 (7.12.0 release)
-
- Formatting only
- Version 2 (7.11.2 release)
-
- Formatting only