Files
blue-team-tools/rules/windows/process_creation/proc_creation_win_schtasks_delete.yml
T
frack113 7d6f32d1be Merge PR #4850 from @frack113 - Cleanup rule conditions to align with standard
chore: Cleanup conditions
update: Scheduled Task Creation From Potential Suspicious Parent Location - Add additional "temporary folder" locations.

---------

Co-authored-by: nasbench <8741929+nasbench@users.noreply.github.com>
2024-05-13 12:10:33 +02:00

39 lines
1.2 KiB
YAML

title: Delete Important Scheduled Task
id: dbc1f800-0fe0-4bc0-9c66-292c2abe3f78
related:
- id: 9e3cb244-bdb8-4632-8c90-6079c8f4f16d # TaskScheduler EventLog
type: similar
- id: 7595ba94-cf3b-4471-aa03-4f6baa9e5fad # Security-Audting Eventlog
type: similar
status: test
description: Detects when adversaries stop services or processes by deleting their respective scheduled tasks in order to conduct data destructive activities
references:
- Internal Research
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022/09/09
tags:
- attack.impact
- attack.t1489
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\schtasks.exe'
CommandLine|contains|all:
- '/delete'
- '/tn'
CommandLine|contains:
# Add more important tasks
- '\Windows\BitLocker'
- '\Windows\ExploitGuard'
- '\Windows\SystemRestore\SR'
- '\Windows\UpdateOrchestrator\'
- '\Windows\Windows Defender\'
- '\Windows\WindowsBackup\'
- '\Windows\WindowsUpdate\'
condition: selection
falsepositives:
- Unlikely
level: high