HackTool - PurpleSharp Execution — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: critical. Source dates: 2021-06-18 / 2023-02-05.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 53aa28d6f7c6631e8aca78b946f39b068edc9aea4ca4738c4d25657f53463275

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 - PurpleSharp Execution
id: ff23ffbc-3378-435e-992f-0624dcf93ab4
status: test
description: Detects the execution of the PurpleSharp adversary simulation tool
references:
    - https://github.com/mvelazc0/PurpleSharp
author: Florian Roth (Nextron Systems)
date: 2021-06-18
modified: 2023-02-05
tags:
    - attack.t1587
    - attack.resource-development
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|contains: '\purplesharp'
        - OriginalFileName: 'PurpleSharp.exe'
    selection_cli:
        CommandLine|contains:
            - 'xyz123456.exe'
            - 'PurpleSharp'
    condition: 1 of selection_*
falsepositives:
    - Unlikely
level: critical

Original YAML and metadata in JSON

False positives

• Unlikely

Source references

• https://github.com/mvelazc0/PurpleSharp