itiB
36 lines
821 B
YAML
36 lines
821 B
YAML
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title: Findstr Launching .lnk File
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ruletype: Sigma
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author: Trent Liffick
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date: 2020/05/01
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description: Detects usage of findstr to identify and execute a lnk file as seen within
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the HHS redirect attack
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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: '*\findstr.exe'
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SELECTION_3:
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CommandLine: '*.lnk'
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condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
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falsepositives:
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- unknown
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fields:
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- Image
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- CommandLine
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- ParentCommandLine
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id: 33339be3-148b-4e16-af56-ad16ec6c7e7b
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level: medium
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logsource:
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category: process_creation
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product: windows
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modified: 2021/11/27
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references:
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- https://www.bleepingcomputer.com/news/security/hhsgov-open-redirect-used-by-coronavirus-phishing-to-spread-malware/
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status: test
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tags:
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- attack.defense_evasion
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- attack.t1036
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- attack.t1202
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- attack.t1027.003
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