Florian Roth
24 lines
792 B
YAML
24 lines
792 B
YAML
title: MERCURY Command Line Patterns
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id: a62298a3-1fe0-422f-9a68-ffbcbc5a123d
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status: experimental
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description: Detects suspicious command line patterns as seen being used by MERCURY threat actor
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references:
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- https://www.microsoft.com/security/blog/2022/08/25/mercury-leveraging-log4j-2-vulnerabilities-in-unpatched-systems-to-target-israeli-organizations/
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author: Florian Roth
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date: 2022/08/26
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logsource:
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category: process_creation
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product: windows
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tags:
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- attack.t1059.001
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- attack.g0069
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detection:
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selection_base:
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CommandLine|contains|all:
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- '-exec bypass -w 1 -enc'
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- 'UwB0AGEAcgB0AC0ASgBvAGIAIAAtAFMAYwByAGkAcAB0AEIAbABvAGMAaw' # Start-Job -ScriptBlock
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condition: all of selection*
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falsepositives:
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- Unknown
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level: high
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