Florian Roth
30 lines
938 B
YAML
30 lines
938 B
YAML
title: Format.com FileSystem LOLBIN
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id: 9fb6b26e-7f9e-4517-a48b-8cac4a1b6c60
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status: experimental
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description: Detects the execution of format.com with a suspicious filesystem selection that could indicate a defense evasion activity in which format.com is used to load malicious DLL files or other programs
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author: Florian Roth
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date: 2022/01/04
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references:
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- https://twitter.com/0gtweet/status/1477925112561209344
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- https://twitter.com/wdormann/status/1478011052130459653?s=20
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tags:
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- attack.defense_evasion
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logsource:
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category: process_creation
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product: windows
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detection:
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selection:
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Image|endswith: '\format.com'
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CommandLine|contains: '/fs:'
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filter:
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CommandLine|contains:
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- '/fs:FAT'
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- '/fs:exFAT'
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- '/fs:NTFS'
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- '/fs:UDF'
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- '/fs:ReFS'
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condition: selection and not 1 of filter*
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falsepositives:
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- unknown
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level: high
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