Nasreddine Bencherchali
d7083f6175
Co-authored-by: phantinuss <79651203+phantinuss@users.noreply.github.com>
26 lines
862 B
YAML
26 lines
862 B
YAML
title: MERCURY APT Activity
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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 seen being used by MERCURY APT
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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 (Nextron Systems)
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date: 2022/08/26
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modified: 2023/03/10
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tags:
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- attack.execution
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- attack.t1059.001
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- attack.g0069
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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_base:
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CommandLine|contains|all:
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- '-exec bypass -w 1 -enc'
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- 'UwB0AGEAcgB0AC0ASgBvAGIAIAAtAFMAYwByAGkAcAB0AEIAbABvAGMAawAgAHsAKABzAGEAcABzACAAKAAiAHAA' # 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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