SigmaHQ/rules/windows/process_creation/win_apt_unc2452_ps.yml
2021-08-25 09:15:57 +02:00

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YAML

title: UNC2452 PowerShell Pattern
id: b7155193-8a81-4d8f-805d-88de864ca50c
description: Detects a specific PowerShell command line pattern used by the UNC2452 actors as mentioned in Microsoft and Symantec reports
references:
- https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/solarwinds-raindrop-malware
- 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/
- 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
tags:
- attack.execution
- attack.t1059.001
- attack.t1047
# - sunburst
author: Florian Roth
date: 2021/01/20
modified: 2021/01/22
logsource:
category: process_creation
product: windows
detection:
selection1:
CommandLine|contains|all:
- 'Invoke-WMIMethod win32_process -name create -argumentlist'
- 'rundll32 c:\windows'
selection2:
CommandLine|contains|all:
- 'wmic /node:'
- 'process call create "rundll32 c:\windows'
condition: selection1 or selection2
falsepositives:
- Unknown, unlikely, but possible
level: critical