Windows Scheduled Task Behaving Improperly or Suspiciously

 1title: Windows Scheduled Task Behaving Improperly or Suspiciously
 2id: ccb39be9-ba55-4553-9614-a94e98e58626
 3status: experimental
 4description: Detects scheduled tasks created with the /create flag and a reference
 5    to commonly-abused Windows utilities. Inspired by the 2022 Red Canary Threat Detection
 6    report.
 7references:
 8    - https://redcanary.com/threat-detection-report/techniques/scheduled-task/
 9author: Micah Babinski
10date: 2022/11/04
11tags:
12    - attack.persistence
13    - attack.execution
14    - attack.t1053
15    - attack.t1053.005
16logsource:
17    category: process_creation
18    product: windows
19detection:
20    selection:
21        Image|endswith: '\schtasks.exe'
22        CommandLine|contains:
23            - 'cmd.exe'
24            - 'powershell.exe'
25            - 'regsvr32.exe'
26            - 'rundll32.exe'
27            - 'mshta.exe'
28        CommandLine|contains|windash: '/create'
29    condition: selection
30falsepositives:
31    - Creation of legitimate scheduled tasks which need to run cmd or similar utilities.
32level: medium```