HackTool - PowerTool Execution — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: high. Source dates: 2022-11-29 / 2023-02-04.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: ec9670b7d567c8809411cefbe3a7c100a95040ebc53dc7517191eaeecf7e6a59

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 - PowerTool Execution
id: a34f79a3-8e5f-4cc3-b765-de00695452c2
status: test
description: Detects the execution of the tool PowerTool which has the ability to kill a process, delete its process file, unload drivers, and delete the driver files
references:
    - https://thedfirreport.com/2022/11/28/emotet-strikes-again-lnk-file-leads-to-domain-wide-ransomware/
    - https://www.trendmicro.com/en_us/research/22/i/play-ransomware-s-attack-playbook-unmasks-it-as-another-hive-aff.html
    - https://twitter.com/gbti_sa/status/1249653895900602375?lang=en
    - https://www.softpedia.com/get/Antivirus/Removal-Tools/ithurricane-PowerTool.shtml
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-11-29
modified: 2023-02-04
tags:
    - attack.defense-impairment
    - attack.t1685
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        - Image|endswith:
              - '\PowerTool.exe'
              - '\PowerTool64.exe'
        - OriginalFileName: 'PowerTool.exe'
    condition: selection
falsepositives:
    - Unlikely
level: high

Original YAML and metadata in JSON

False positives

• Unlikely

Source references

• https://thedfirreport.com/2022/11/28/emotet-strikes-again-lnk-file-leads-to-domain-wide-ransomware/
• https://www.trendmicro.com/en_us/research/22/i/play-ransomware-s-attack-playbook-unmasks-it-as-another-hive-aff.html
• https://twitter.com/gbti_sa/status/1249653895900602375?lang=en
• https://www.softpedia.com/get/Antivirus/Removal-Tools/ithurricane-PowerTool.shtml