frack113
31 lines
1.0 KiB
YAML
31 lines
1.0 KiB
YAML
title: Persistence and Execution at Scale via GPO Scheduled Task
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id: a8f29a7b-b137-4446-80a0-b804272f3da2
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status: test
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description: Detect lateral movement using GPO scheduled task, usually used to deploy ransomware at scale
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author: Samir Bousseaden
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references:
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- https://twitter.com/menasec1/status/1106899890377052160
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- https://www.secureworks.com/blog/ransomware-as-a-distraction
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date: 2019/04/03
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modified: 2021/11/27
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logsource:
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product: windows
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service: security
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definition: 'The advanced audit policy setting "Object Access > Audit Detailed File Share" must be configured for Success/Failure'
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detection:
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selection:
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EventID: 5145
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ShareName: \\\*\SYSVOL
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RelativeTargetName|endswith: 'ScheduledTasks.xml'
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Accesses|contains:
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- 'WriteData'
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- '%%4417'
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condition: selection
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falsepositives:
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- if the source IP is not localhost then it's super suspicious, better to monitor both local and remote changes to GPO scheduledtasks
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level: high
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tags:
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- attack.persistence
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- attack.lateral_movement
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- attack.t1053.005
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