Important Scheduled Task Deleted
Detects when adversaries try to stop system services or processes by deleting their respective scheduled tasks in order to conduct data destructive activities
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Definition
Requirements: The "Microsoft-Windows-TaskScheduler/Operational" is disabled by default and needs to be enabled in order for this detection to trigger
detection:
selection:
EventID: 141
TaskName|contains:
- '\Windows\SystemRestore\SR'
- '\Windows\Windows Defender\'
- '\Windows\BitLocker'
- '\Windows\WindowsBackup\'
- '\Windows\WindowsUpdate\'
- '\Windows\UpdateOrchestrator\'
- '\Windows\ExploitGuard'
filter:
UserName|contains:
- 'AUTHORI'
- 'AUTORI'
condition: selection and not filterFalse positive likelihood has not been assessed. Additional context may be needed during triage.
Tactics
Techniques
Delete Important Scheduled Task
Detects when adversaries stop services or processes by deleting their respective scheduled tasks in order to conduct data destructive activities
Detects similar activity. Both rules may fire on overlapping events.
Important Scheduled Task Deleted/Disabled
Detects when adversaries stop services or processes by deleting or disabling their respective scheduled tasks in order to conduct data destructive activities
Detects similar activity. Both rules may fire on overlapping events.