55 lines
1.6 KiB
YAML
55 lines
1.6 KiB
YAML
title: Script Event Consumer Spawning Process
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author: Sittikorn S
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date: 2021/06/21
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description: Detects a suspicious child process of Script Event Consumer (scrcons.exe).
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_10:
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Image: '*\mshta.exe'
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SELECTION_11:
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Image: '*\rundll32.exe'
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SELECTION_12:
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Image: '*\msiexec.exe'
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SELECTION_13:
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Image: '*\msbuild.exe'
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SELECTION_2:
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ParentImage: '*\scrcons.exe'
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SELECTION_3:
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Image: '*\svchost.exe'
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SELECTION_4:
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Image: '*\dllhost.exe'
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SELECTION_5:
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Image: '*\powershell.exe'
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SELECTION_6:
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Image: '*\wscript.exe'
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SELECTION_7:
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Image: '*\cscript.exe'
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SELECTION_8:
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Image: '*\schtasks.exe'
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SELECTION_9:
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Image: '*\regsvr32.exe'
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condition: (SELECTION_1 and (SELECTION_2) and (SELECTION_3 or SELECTION_4 or SELECTION_5
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or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10
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or SELECTION_11 or SELECTION_12 or SELECTION_13))
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falsepositives:
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- unknown
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fields:
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- CommandLine
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- ParentCommandLine
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id: f6d1dd2f-b8ce-40ca-bc23-062efb686b34
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level: high
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logsource:
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category: process_creation
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product: windows
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references:
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- https://redcanary.com/blog/child-processes/
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- https://docs.paloaltonetworks.com/cortex/cortex-xdr/cortex-xdr-analytics-alert-reference/cortex-xdr-analytics-alert-reference/scrcons-exe-rare-child-process.html
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status: experimental
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tags:
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- attack.execution
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- attack.t1047
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yml_filename: win_script_event_consumer_spawn.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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