UtilityFunctions.ps1 Proxy Dll

 1title: UtilityFunctions.ps1 Proxy Dll
 2id: 0403d67d-6227-4ea8-8145-4e72db7da120
 3status: test
 4description: Detects the use of a Microsoft signed script executing a managed DLL with PowerShell.
 5references:
 6    - https://lolbas-project.github.io/lolbas/Scripts/UtilityFunctions/
 7author: frack113
 8date: 2022/05/28
 9tags:
10    - attack.defense_evasion
11    - attack.t1216
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        CommandLine|contains:
18            - 'UtilityFunctions.ps1'
19            - 'RegSnapin '
20    condition: selection
21falsepositives:
22    - Unknown
23level: medium

References

• Utilityfunctions | LOLBAS

  Execute: DLL This LOLBAS executes Dynamic-Link Libraries (DLLs).

  
  Read More

Related rules

• Execute Code with Pester.bat as Parent
• Suspicious CustomShellHost Execution
• Suspicious Sigverif Execution
• SyncAppvPublishingServer VBS Execute Arbitrary PowerShell Code
• Potential Script Proxy Execution Via CL_Mutexverifiers.ps1