title: Suspicious Splwow64 Without Params
author: Florian Roth
date: 2021/08/23
description: Detects suspicious Splwow64.exe process without any command line parameters
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    Image: '*\splwow64.exe'
  SELECTION_3:
    CommandLine: '*splwow64.exe'
  condition: (SELECTION_1 and SELECTION_2 and  not (SELECTION_3))
falsepositives:
- Unknown
id: 1f1a8509-2cbb-44f5-8751-8e1571518ce2
level: high
logsource:
  category: process_creation
  product: windows
references:
- https://twitter.com/sbousseaden/status/1429401053229891590?s=12
status: experimental
tags:
- attack.defense_evasion
- attack.t1202
ruletype: SIGMA