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: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References: None
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Persistence
Version: 101
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule 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\\*") 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") and user.id : "S-1-5-18") and not (process.name : "msiexec.exe" and user.id : "S-1-5-18")
Framework: 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/
-
Sub-technique:
- Name: Scheduled Task
- ID: T1053.005
- Reference URL: https://attack.mitre.org/techniques/T1053/005/