SigmaHQ/rules/windows/builtin/win_GPO_scheduledtasks.yml

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2019-04-03 13:36:24 +00:00
title: Persistence and Execution at scale via GPO scheduled task
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id: a8f29a7b-b137-4446-80a0-b804272f3da2
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description: Detect lateral movement using GPO scheduled task, ususally used to deploy ransomware at scale
author: Samir Bousseaden
references:
- https://twitter.com/menasec1/status/1106899890377052160
tags:
- attack.persistence
- attack.lateral_movement
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- attack.t1053
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logsource:
product: windows
service: security
description: 'The advanced audit policy setting "Object Access > Audit Detailed File Share" must be configured for Success/Failure'
detection:
selection:
EventID: 5145
ShareName: \\*\SYSVOL
RelativeTargetName: '*ScheduledTasks.xml'
Accesses: '*WriteData*'
condition: selection
falsepositives:
- if the source IP is not localhost then it's super suspicious, better to monitor both local and remote changes to GPO scheduledtasks
level: high