42 lines
1.3 KiB
YAML
42 lines
1.3 KiB
YAML
title: Proxy Execution via Wuauclt
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author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research), Florian Roth
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date: 2020/10/12
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description: Detects the use of the Windows Update Client binary (wuauclt.exe) to
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proxy execute code.
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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Image: '*wuauclt*'
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SELECTION_3:
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OriginalFileName: wuauclt.exe
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SELECTION_4:
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CommandLine: '*UpdateDeploymentProvider*'
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SELECTION_5:
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CommandLine: '*.dll*'
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SELECTION_6:
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CommandLine: '*RunHandlerComServer*'
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SELECTION_7:
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CommandLine: '* /UpdateDeploymentProvider UpdateDeploymentProvider.dll *'
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SELECTION_8:
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CommandLine: '* wuaueng.dll *'
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condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3) and (SELECTION_4 and
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SELECTION_5 and SELECTION_6)) and not ((SELECTION_7 or SELECTION_8)))
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falsepositives:
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- Unknown
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id: af77cf95-c469-471c-b6a0-946c685c4798
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level: critical
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logsource:
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category: process_creation
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product: windows
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modified: 2021/05/10
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references:
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- https://dtm.uk/wuauclt/
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1218
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yml_filename: sysmon_proxy_execution_wuauclt.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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