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.
43 lines
1.6 KiB
YAML
43 lines
1.6 KiB
YAML
title: Potential DLL Sideloading Of DBGHELP.DLL
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id: 6414b5cd-b19d-447e-bb5e-9f03940b5784
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status: test
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description: Detects potential DLL sideloading of "dbghelp.dll"
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references:
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- https://hijacklibs.net/ # For list of DLLs that could be sideloaded (search for dlls mentioned here in there)
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author: Nasreddine Bencherchali (Nextron Systems), Wietze Beukema (project and research)
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date: 2022-10-25
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modified: 2023-05-05
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tags:
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- attack.defense-evasion
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- attack.persistence
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- attack.privilege-escalation
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- attack.t1574.001
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- attack.t1574.002
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logsource:
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category: image_load
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product: windows
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detection:
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selection:
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ImageLoaded|endswith: '\dbghelp.dll'
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filter_main_generic:
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ImageLoaded|startswith:
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- 'C:\Program Files (x86)\'
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- 'C:\Program Files\'
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- 'C:\Windows\SoftwareDistribution\'
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- 'C:\Windows\System32\'
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- 'C:\Windows\SystemTemp\'
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- 'C:\Windows\SysWOW64\'
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- 'C:\Windows\WinSxS\'
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filter_optional_anaconda:
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ImageLoaded|endswith:
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- '\Anaconda3\Lib\site-packages\vtrace\platforms\windll\amd64\dbghelp.dll'
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- '\Anaconda3\Lib\site-packages\vtrace\platforms\windll\i386\dbghelp.dll'
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filter_optional_epicgames:
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ImageLoaded|endswith:
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- '\Epic Games\Launcher\Engine\Binaries\ThirdParty\DbgHelp\dbghelp.dll'
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- '\Epic Games\MagicLegends\x86\dbghelp.dll'
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condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*
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falsepositives:
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- Legitimate applications loading their own versions of the DLL mentioned in this rule
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level: medium
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