Hacktool Execution - PE Metadata — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: high. Source dates: 2022-04-27 / 2024-01-15.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 16ae7b9fdbd1678185051ea46b8f92c7772c3a109bebd60d41ec6d56ad9a3ceb

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 Execution - PE Metadata
id: 37c1333a-a0db-48be-b64b-7393b2386e3b
status: test
description: Detects the execution of different Windows based hacktools via PE metadata (company, product, etc.) even if the files have been renamed
references:
    - https://github.com/cube0x0
    - https://www.virustotal.com/gui/search/metadata%253ACube0x0/files
author: Florian Roth (Nextron Systems)
date: 2022-04-27
modified: 2024-01-15
tags:
    - attack.credential-access
    - attack.resource-development
    - attack.t1588.002
    - attack.t1003
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Company: 'Cube0x0' # Detects the use of tools created by a well-known hacktool producer named "Cube0x0", which includes his handle in all binaries as company information in the PE headers (SharpPrintNightmare, KrbRelay, SharpMapExec, etc.)
    condition: selection
falsepositives:
    - Unlikely
level: high

Original YAML and metadata in JSON

False positives

• Unlikely

Source references

• https://github.com/cube0x0
• https://www.virustotal.com/gui/search/metadata%253ACube0x0/files