Detectionmediumtest
Always Install Elevated MSI Spawned Cmd And Powershell
Detects Windows Installer service (msiexec.exe) spawning "cmd" or "powershell"
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Teymur Kheirkhabarov, Mangatas Tondang, oscd.communityCreated Tue Oct 13Updated Thu Oct 201e53dd56-8d83-4eb4-a43e-b790a05510aawindows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
detection:
selection_img:
- Image|endswith:
- '\cmd.exe'
- '\powershell.exe'
- '\pwsh.exe'
- OriginalFileName:
- 'Cmd.Exe'
- 'PowerShell.EXE'
- 'pwsh.dll'
selection_parent:
ParentImage|contains|all:
- '\Windows\Installer\'
- 'msi'
ParentImage|endswith: 'tmp'
condition: all of selection_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Rule Metadata
Rule ID
1e53dd56-8d83-4eb4-a43e-b790a05510aa
Status
test
Level
medium
Type
Detection
Created
Tue Oct 13
Modified
Thu Oct 20
Path
rules/windows/process_creation/proc_creation_win_susp_elavated_msi_spawned_shell.yml
Raw Tags
attack.defense-evasionattack.privilege-escalationattack.t1548.002