HackTool - SharpMove Tool Execution — Sigma Rule

Rule metadata and linked tags

Author: Luca Di Bartolomeo (CrimpSec). Source status: test; severity: high. Source dates: 2024-01-29 / not supplied.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: cb447c0f6a7a56471af79a26ad864da49d78e21e6acffb80a332bb557867f697

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 - SharpMove Tool Execution
id: 055fb54c-a8f4-4aee-bd44-f74cf30a0d9d
status: test
description: |
    Detects the execution of SharpMove, a .NET utility performing multiple tasks such as "Task Creation", "SCM" query, VBScript execution using WMI via its PE metadata and command line options.
references:
    - https://github.com/0xthirteen/SharpMove/
    - https://pentestlab.blog/tag/sharpmove/
author: Luca Di Bartolomeo (CrimpSec)
date: 2024-01-29
tags:
    - attack.lateral-movement
    - attack.t1021.002
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\SharpMove.exe'
        - OriginalFileName: SharpMove.exe
    selection_cli_computer:
        # In its current implementation the "computername" flag is required in all actions
        CommandLine|contains: 'computername='
    selection_cli_actions:
        CommandLine|contains:
            - 'action=create'
            - 'action=dcom'
            - 'action=executevbs'
            - 'action=hijackdcom'
            - 'action=modschtask'
            - 'action=modsvc'
            - 'action=query'
            - 'action=scm'
            - 'action=startservice'
            - 'action=taskscheduler'
    condition: selection_img or all of selection_cli_*
falsepositives:
    - Unknown
level: high

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://github.com/0xthirteen/SharpMove/
• https://pentestlab.blog/tag/sharpmove/