title: Ryuk Ransomware
ruletype: Sigma
author: Florian Roth
date: 2019/12/16
description: Detects Ryuk ransomware activity
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    CommandLine: '*Microsoft\Windows\CurrentVersion\Run*'
  SELECTION_3:
    CommandLine: '*C:\users\Public\\*'
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
falsepositives:
- Unlikely
fields:
- CommandLine
- ParentCommandLine
id: c37510b8-2107-4b78-aa32-72f251e7a844
level: critical
logsource:
  category: process_creation
  product: windows
modified: 2021/11/27
references:
- https://app.any.run/tasks/d860402c-3ff4-4c1f-b367-0237da714ed1/
status: test
tags:
- attack.persistence
- attack.t1547.001
- attack.t1060