frack113
29 lines
944 B
YAML
29 lines
944 B
YAML
title: Path To Screensaver Binary Modified
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id: 67a6c006-3fbe-46a7-9074-2ba3b82c3000
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status: test
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description: Detects value modification of registry key containing path to binary used as screensaver.
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author: Bartlomiej Czyz @bczyz1, oscd.community
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1546.002/T1546.002.md
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- https://www.welivesecurity.com/wp-content/uploads/2017/08/eset-gazer.pdf
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date: 2020/10/11
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modified: 2021/11/27
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logsource:
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category: registry_event
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product: windows
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detection:
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selection:
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TargetObject|endswith: '\Control Panel\Desktop\SCRNSAVE.EXE' # HKEY_CURRENT_USER\Control Panel\Desktop\SCRNSAVE.EXE
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filter:
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Image|endswith:
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- '\rundll32.exe'
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- '\explorer.exe'
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condition: selection and not filter
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falsepositives:
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- 'Legitimate modification of screensaver.'
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level: medium
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tags:
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- attack.persistence
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- attack.privilege_escalation
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- attack.t1546.002
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