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Potential Process Injection via PowerShell

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Potential Process Injection via PowerShell

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Detects the use of Windows API functions that are commonly abused by malware and security tools to load malicious code or inject it into remote processes.

Rule type: query

Rule indices:

winlogbeat-*
logs-windows.*

Severity: high

Risk score: 73

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

Elastic
Host
Windows
Threat Detection
Defense Evasion

Version: 1

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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event.category:process and
  powershell.file.script_block_text : (
   (VirtualAlloc or VirtualAllocEx or VirtualProtect or LdrLoadDll or LoadLibrary or LoadLibraryA or
      LoadLibraryEx or GetProcAddress or OpenProcess or OpenProcessToken or AdjustTokenPrivileges) and
   (WriteProcessMemory or CreateRemoteThread or NtCreateThreadEx or CreateThread or QueueUserAPC or
      SuspendThread or ResumeThread)
  )

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Process Injection
- ID: T1055
- Reference URL: https://attack.mitre.org/techniques/T1055/
Sub-technique:
- Name: Dynamic-link Library Injection
- ID: T1055.001
- Reference URL: https://attack.mitre.org/techniques/T1055/001/
Sub-technique:
- Name: Portable Executable Injection
- ID: T1055.002
- Reference URL: https://attack.mitre.org/techniques/T1055/002/

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