Always Install Elevated MSI Spawned Cmd And Powershell

 1title: Always Install Elevated MSI Spawned Cmd And Powershell
 2id: 1e53dd56-8d83-4eb4-a43e-b790a05510aa
 3status: test
 4description: Detects Windows Installer service (msiexec.exe) spawning "cmd" or "powershell"
 5references:
 6    - https://image.slidesharecdn.com/kheirkhabarovoffzonefinal-181117201458/95/hunting-for-privilege-escalation-in-windows-environment-50-638.jpg
 7author: Teymur Kheirkhabarov (idea), Mangatas Tondang (rule), oscd.community
 8date: 2020-10-13
 9modified: 2022-10-20
10tags:
11    - attack.privilege-escalation
12    - attack.t1548.002
13logsource:
14    product: windows
15    category: process_creation
16detection:
17    selection_img:
18        - Image|endswith:
19              - '\cmd.exe'
20              - '\powershell.exe'
21              - '\pwsh.exe'
22        - OriginalFileName:
23              - 'Cmd.Exe'
24              - 'PowerShell.EXE'
25              - 'pwsh.dll'
26    selection_parent:
27        ParentImage|contains|all:
28            - '\Windows\Installer\'
29            - 'msi'
30        ParentImage|endswith: 'tmp'
31    condition: all of selection_*
32fields:
33    - Image
34    - ParentImage
35falsepositives:
36    - Unknown
37level: medium