Detection rules › Sigma
HackTool - Powerup Write Hijack DLL
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).
Known false positives
- Any powershell script that creates bat files
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | |
| Stealth |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 11: FileCreate |
Rule body
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith:
- '\powershell.exe'
- '\pwsh.exe'
TargetFilename|endswith: '.bat'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with |
TargetFilename | ends_with |
| field:"TargetFilename" kind:ends_with value:".bat" |