JAMF MDM Execution

Description

Detects execution of the "jamf" binary to create user accounts and run commands. For example, the binary can be abused by attackers on the system in order to bypass security controls or remove application control polices.

Query · sigma

selection:
  Image|endswith: /jamf
  CommandLine|contains:
  - createAccount
  - manage
  - removeFramework
  - removeMdmProfile
  - resetPassword
  - setComputerName
condition: selection

Known false positives

  • Legitimate use of the JAMF CLI tool by IT support and administrators
Raw source JAMF MDM Execution · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: JAMF MDM Execution
id: be2e3a5c-9cc7-4d02-842a-68e9cb26ec49
status: test
description: |
    Detects execution of the "jamf" binary to create user accounts and run commands. For example, the binary can be abused by attackers on the system in order to bypass security controls or remove application control polices.
references:
    - https://github.com/MythicAgents/typhon/
    - https://www.zoocoup.org/casper/jamf_cheatsheet.pdf
    - https://docs.jamf.com/10.30.0/jamf-pro/administrator-guide/Components_Installed_on_Managed_Computers.html
author: Jay Pandit
date: 2023-08-22
tags:
    - attack.execution
logsource:
    category: process_creation
    product: macos
detection:
    selection:
        Image|endswith: '/jamf'
        CommandLine|contains:
            # Note: add or remove commands according to your policy
            - 'createAccount'
            - 'manage'
            - 'removeFramework'
            - 'removeMdmProfile'
            - 'resetPassword'
            - 'setComputerName'
    condition: selection
falsepositives:
    - Legitimate use of the JAMF CLI tool by IT support and administrators
level: low

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