frack113
7d6f32d1be
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>
41 lines
1.5 KiB
YAML
41 lines
1.5 KiB
YAML
title: Disable Important Scheduled Task
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id: 9ac94dc8-9042-493c-ba45-3b5e7c86b980
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related:
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- id: 7595ba94-cf3b-4471-aa03-4f6baa9e5fad # Security-Audting Eventlog
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type: similar
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status: test
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description: Detects when adversaries stop services or processes by disabling their respective scheduled tasks in order to conduct data destructive activities
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1490/T1490.md#atomic-test-8---windows---disable-the-sr-scheduled-task
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- https://twitter.com/MichalKoczwara/status/1553634816016498688
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- https://thedfirreport.com/2021/10/18/icedid-to-xinglocker-ransomware-in-24-hours/
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author: frack113, Nasreddine Bencherchali (Nextron Systems)
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date: 2021/12/26
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modified: 2022/09/02
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tags:
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- attack.impact
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- attack.t1489
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logsource:
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category: process_creation
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product: windows
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detection:
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selection:
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Image|endswith: '\schtasks.exe'
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CommandLine|contains|all:
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- '/Change'
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- '/TN'
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- '/disable'
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CommandLine|contains:
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# Add more important tasks
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- '\Windows\BitLocker'
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- '\Windows\ExploitGuard'
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- '\Windows\SystemRestore\SR'
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- '\Windows\UpdateOrchestrator\'
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- '\Windows\Windows Defender\'
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- '\Windows\WindowsBackup\'
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- '\Windows\WindowsUpdate\'
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condition: selection
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falsepositives:
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- Unknown
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level: high
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