Fix #3407
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@@ -11,7 +11,7 @@ references:
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- https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-2000-server/cc959352(v=technet.10)?redirectedfrom=MSDN
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- https://twitter.com/frack113/status/1555830623633375232
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date: 2022/08/07
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modified: 2022/08/12
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modified: 2022/08/22
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logsource:
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category: process_creation
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product: windows
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@@ -20,14 +20,18 @@ detection:
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Image|contains:
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- '~1\'
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- '~2\'
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filter:
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filter_other:
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- ParentImage:
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- C:\Windows\System32\Dism.exe
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- C:\Windows\System32\cleanmgr.exe # Spawns DismHost.exe with a shortened username (if too long)
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- ParentImage|endswith:
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- '\WebEx\WebexHost.exe' # Spawns a shortened version of the CLI and Image processes
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- '\thor\thor64.exe'
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condition: selection and not filter
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filter_installshield:
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- Product: 'InstallShield (R)'
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- Description: 'InstallShield (R) Setup Engine'
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- Company: 'InstallShield Software Corporation'
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condition: selection and not 1 of filter_*
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falsepositives:
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- Applications could use this notation occasionally which might generate some false positives. In that case Investigate the parent and child process.
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level: high
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