42 lines
1.2 KiB
YAML
42 lines
1.2 KiB
YAML
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title: Discovery of a System Time
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author: E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community
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date: 2019/10/24
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description: Identifies use of various commands to query a systems time. This technique
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may be used before executing a scheduled task or to discover the time zone of a
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target system.
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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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- '*\net.exe'
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- '*\net1.exe'
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SELECTION_3:
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CommandLine: '*time*'
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SELECTION_4:
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Image: '*\w32tm.exe'
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SELECTION_5:
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CommandLine: '*tz*'
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SELECTION_6:
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Image: '*\powershell.exe'
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SELECTION_7:
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CommandLine: '*Get-Date*'
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condition: (SELECTION_1 and ((SELECTION_2 and SELECTION_3) or (SELECTION_4 and SELECTION_5)
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or (SELECTION_6 and SELECTION_7)))
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falsepositives:
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- Legitimate use of the system utilities to discover system time for legitimate reason
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id: b243b280-65fe-48df-ba07-6ddea7646427
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level: low
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logsource:
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category: process_creation
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product: windows
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modified: 2019/11/11
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references:
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- https://eqllib.readthedocs.io/en/latest/analytics/fcdb99c2-ac3c-4bde-b664-4b336329bed2.html
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1124/T1124.md
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status: experimental
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tags:
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- attack.discovery
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- attack.t1124
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