PUA - Crassus Execution

Description

Detects Crassus, a Windows privilege escalation discovery tool, based on PE metadata characteristics.

Query · sigma

selection:
- Image|endswith: \Crassus.exe
- OriginalFileName: Crassus.exe
- Description|contains: Crassus
condition: selection

Known false positives

  • Unlikely
Raw source PUA - Crassus Execution · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: PUA - Crassus Execution
id: 2c32b543-1058-4808-91c6-5b31b8bed6c5
status: test
description: Detects Crassus, a Windows privilege escalation discovery tool, based on PE metadata characteristics.
references:
    - https://github.com/vu-ls/Crassus
author: pH-T (Nextron Systems)
date: 2023-04-17
tags:
    - attack.discovery
    - attack.reconnaissance
    - attack.t1590.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\Crassus.exe'
        - OriginalFileName: 'Crassus.exe'
        - Description|contains: 'Crassus'
    condition: selection
falsepositives:
    - Unlikely
level: high

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