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28 lines
908 B
YAML
28 lines
908 B
YAML
title: Data Compressed - Powershell
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id: 6dc5d284-69ea-42cf-9311-fb1c3932a69a
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status: experimental
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description: An adversary may compress data (e.g., sensitive documents) that is collected prior to exfiltration in order to make it portable and minimize the amount of data sent over the network
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author: Timur Zinniatullin, oscd.community
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date: 2019/10/21
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1002/T1002.yaml
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logsource:
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product: windows
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service: powershell
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definition: 'Script block logging must be enabled'
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detection:
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selection:
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EventID: 4104
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keywords|contains|all:
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- '-Recurse'
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- '|'
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- 'Compress-Archive'
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condition: selection
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falsepositives:
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- highly likely if archive ops are done via PS
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level: low
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tags:
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- attack.exfiltration
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- attack.t1560
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- attack.t1002 # an old one
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