HackTool - Powerup Write Hijack DLL — Sigma Rule

Rule metadata and linked tags

Author: Subhash Popuri (@pbssubhash). Source status: test; severity: high. Source dates: 2021-08-21 / 2024-06-27.

{
  "category": "file_event",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 2e5884117ed85a38eeb30c3f12d9426c777d940c711a8dd11e60b9c0b3ceee0c

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: HackTool - Powerup Write Hijack DLL
id: 602a1f13-c640-4d73-b053-be9a2fa58b96
status: test
description: |
    Powerup tool's Write Hijack DLL exploits DLL hijacking for privilege escalation.
    In it's default mode, it builds a self deleting .bat file which executes malicious command.
    The detection rule relies on creation of the malicious bat file (debug.bat by default).
references:
    - https://powersploit.readthedocs.io/en/latest/Privesc/Write-HijackDll/
author: Subhash Popuri (@pbssubhash)
date: 2021-08-21
modified: 2024-06-27
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.execution
    - attack.stealth
    - attack.t1574.001
logsource:
    category: file_event
    product: windows
detection:
    selection:
        Image|endswith:
            - '\powershell.exe'
            - '\pwsh.exe'
        TargetFilename|endswith: '.bat'
    condition: selection
falsepositives:
    - Any powershell script that creates bat files # highly unlikely (untested)
level: high

Original YAML and metadata in JSON

False positives

• Any powershell script that creates bat files

Source references

• https://powersploit.readthedocs.io/en/latest/Privesc/Write-HijackDll/