Malicious PowerShell Keywords (via ps_script)
This rule detects keywords from well-known PowerShell exploitation frameworks
SigmamediumWindowsv1
sigma
malicious-powershell-keywords-via-ps-script
title: Malicious PowerShell Keywords (via ps_script)
id: ed53186b-573c-5dab-9fd2-a7927556c0c2
status: stable
description: This rule detects keywords from well-known PowerShell exploitation frameworks
references:
- https://attack.mitre.org/techniques/T1059/001/
- https://adsecurity.org/?p=2921
author: Huntrule Team
date: 2026-07-26
tags:
- attack.execution
- attack.t1059.001
logsource:
product: windows
category: ps_script
definition: 'Requirements: Script Block Logging must be enabled'
detection:
selection:
ScriptBlockText|contains:
- 'AdjustTokenPrivileges'
- 'IMAGE_NT_OPTIONAL_HDR64_MAGIC'
- 'Metasploit'
- 'Microsoft.Win32.UnsafeNativeMethods'
- 'Mimikatz'
- 'MiniDumpWriteDump'
- 'PAGE_EXECUTE_READ'
- 'ReadProcessMemory.Invoke'
- 'SE_PRIVILEGE_ENABLED'
- 'SECURITY_DELEGATION'
- 'TOKEN_ADJUST_PRIVILEGES'
- 'TOKEN_ALL_ACCESS'
- 'TOKEN_ASSIGN_PRIMARY'
- 'TOKEN_DUPLICATE'
- 'TOKEN_ELEVATION'
- 'TOKEN_IMPERSONATE'
- 'TOKEN_INFORMATION_CLASS'
- 'TOKEN_PRIVILEGES'
- 'TOKEN_QUERY'
condition: selection
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.