37 lines
1.3 KiB
YAML
37 lines
1.3 KiB
YAML
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title: UNC2452 PowerShell Pattern
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ruletype: Sigma
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author: Florian Roth
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date: 2021/01/20
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description: Detects a specific PowerShell command line pattern used by the UNC2452
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actors as mentioned in Microsoft and Symantec reports
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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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CommandLine: '*Invoke-WMIMethod win32_process -name create -argumentlist*'
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SELECTION_3:
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CommandLine: '*rundll32 c:\windows*'
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SELECTION_4:
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CommandLine: '*wmic /node:*'
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SELECTION_5:
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CommandLine: '*process call create "rundll32 c:\windows*'
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condition: (SELECTION_1 and ((SELECTION_2 and SELECTION_3) or (SELECTION_4 and SELECTION_5)))
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falsepositives:
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- Unknown, unlikely, but possible
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id: b7155193-8a81-4d8f-805d-88de864ca50c
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level: critical
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logsource:
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category: process_creation
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product: windows
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modified: 2021/01/22
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references:
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- https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/solarwinds-raindrop-malware
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- https://www.microsoft.com/security/blog/2020/12/18/analyzing-solorigate-the-compromised-dll-file-that-started-a-sophisticated-cyberattack-and-how-microsoft-defender-helps-protect/
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1047/T1047.md#atomic-test-7---create-a-process-using-wmi-query-and-an-encoded-command
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status: experimental
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tags:
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- attack.execution
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- attack.t1059.001
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- attack.t1047
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