Unusual Process Access Rights For Target Image (via process_access)

title: Unusual Process Access Rights For Target Image (via process_access)
id: 8ce6aae9-1e0e-5d24-9675-2a45f9b09879
status: stable
description: This rule detects process access request to uncommon target images with a "PROCESS_ALL_ACCESS" access mask.
references:
    - https://attack.mitre.org/techniques/T1055/011/
    - https://learn.microsoft.com/en-us/windows/win32/procthread/process-security-and-access-rights
author: Huntrule Team
date: 2026-05-02
tags:
    - attack.privilege-escalation
    - attack.stealth
    - attack.t1055.011
logsource:
    category: process_access
    product: windows
detection:
    selection:
        TargetImage|endswith:
            - '\calc.exe'
            - '\calculator.exe'
            - '\mspaint.exe'
            - '\notepad.exe'
            - '\ping.exe'
            - '\wordpad.exe'
            - '\write.exe'
        GrantedAccess: '0x1FFFFF'
    condition: selection
falsepositives:
    - Unknown
level: low