Detectionlowexperimental
PowerShell AppLocker Policy Discovery Via Get-AppLockerPolicy
Detects AppLocker policy enumeration attempts via PowerShell using the Get-AppLockerPolicy cmdlet and an policy scope of either Effective, LDAP, or Local.
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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 Logic3 selectors
detection:
selection_img:
- Image|endswith:
- '\powershell.exe'
- '\pwsh.exe'
- OriginalFileName:
- 'PowerShell.EXE'
- 'pwsh.dll'
selection_cmdlet:
CommandLine|contains: 'Get-AppLockerPolicy'
selection_flag:
CommandLine|contains|windash:
- ' -Effective'
- ' -Ldap '
- ' -Local'
condition: all of selection_*False Positives
PowerShell-based AppLocker auditing and policy troubleshooting by administrators.
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
f14b1e99-5e53-4598-98dc-6f20ad7b35e0
Status
experimental
Level
low
Type
Detection
Created
Wed Aug 19
Author
Path
rules/windows/process_creation/proc_creation_win_powershell_applocker_policy_discovery_via_get_applockerpolicy.yml
Raw Tags
attack.discoveryattack.t1518.001