frack113
27 lines
908 B
YAML
27 lines
908 B
YAML
title: Potential DLL Sideloading Via JsSchHlp
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id: 68654bf0-4412-43d5-bfe8-5eaa393cd939
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status: test
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description: Detects potential DLL sideloading using JUSTSYSTEMS Japanese word processor
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references:
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- https://www.welivesecurity.com/2022/12/14/unmasking-mirrorface-operation-liberalface-targeting-japanese-political-entities/
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- http://www.windowexe.com/bbs/board.php?q=jsschhlp-exe-c-program-files-common-files-justsystem-jsschhlp-jsschhlp
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author: frack113
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date: 2022-12-14
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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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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: '\JSESPR.dll'
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filter:
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ImageLoaded|startswith: 'C:\Program Files\Common Files\Justsystem\JsSchHlp\'
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condition: selection and not filter
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falsepositives:
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- Unknown
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level: medium
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