Nasreddine Bencherchali
598d29f811
chore: change tags, date, modified fields to comply with v2 of the Sigma spec. chore: update the related type from `obsoletes` to `obsolete`. chore: update local json schema to the latest version.
30 lines
957 B
YAML
30 lines
957 B
YAML
title: DllUnregisterServer Function Call Via Msiexec.EXE
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id: 84f52741-8834-4a8c-a413-2eb2269aa6c8
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status: test
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description: Detects MsiExec loading a DLL and calling its DllUnregisterServer function
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218.007/T1218.007.md
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- https://lolbas-project.github.io/lolbas/Binaries/Msiexec/
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- https://twitter.com/_st0pp3r_/status/1583914515996897281
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author: frack113
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date: 2022-04-24
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modified: 2024-03-13
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tags:
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- attack.defense-evasion
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- attack.t1218.007
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logsource:
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product: windows
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category: process_creation
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detection:
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selection_img:
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- Image|endswith: '\msiexec.exe'
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- OriginalFileName: '\msiexec.exe'
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selection_flag:
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CommandLine|contains|windash: ' -z '
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selection_dll:
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CommandLine|contains: '.dll'
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condition: all of selection_*
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falsepositives:
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- Unknown
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level: medium
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