34 lines
876 B
YAML
34 lines
876 B
YAML
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title: Malicious Payload Download via Office Binaries
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ruletype: Sigma
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author: Beyu Denis, oscd.community
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date: 2019/10/26
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description: Downloads payload from remote server
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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:
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- '*\powerpnt.exe'
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- '*\winword.exe'
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- '*\excel.exe'
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SELECTION_3:
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CommandLine: '*http*'
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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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id: 0c79148b-118e-472b-bdb7-9b57b444cc19
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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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modified: 2021/11/27
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references:
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- https://github.com/LOLBAS-Project/LOLBAS/blob/master/yml/OtherMSBinaries/Powerpnt.yml
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- https://medium.com/@reegun/unsanitized-file-validation-leads-to-malicious-payload-download-via-office-binaries-202d02db7191
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- Reegun J (OCBC Bank)
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status: test
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tags:
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- attack.command_and_control
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- attack.t1105
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