Detection rules › Sigma
JAMF MDM Potential Suspicious Child Process
Detects potential suspicious child processes of "jamf". Could be a sign of potential abuse of Jamf as a C2 server as seen by Typhon MythicAgent.
Known false positives
- Legitimate execution of custom scripts or commands by Jamf administrators. Apply additional filters accordingly
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | No specific technique |
Telemetry coverage
Rule body
title: JAMF MDM Potential Suspicious Child Process
id: 2316929c-01aa-438c-970f-099145ab1ee6
status: test
description: Detects potential suspicious child processes of "jamf". Could be a sign of potential abuse of Jamf as a C2 server as seen by Typhon MythicAgent.
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: Nasreddine Bencherchali (Nextron Systems)
date: 2023-08-22
tags:
- attack.execution
logsource:
category: process_creation
product: macos
detection:
selection:
ParentImage|endswith: '/jamf'
Image|endswith:
# Note: Add additional binaries/commands that are uncommon during your typical admin usage of Jamf
- '/bash'
- '/sh'
condition: selection
falsepositives:
- Legitimate execution of custom scripts or commands by Jamf administrators. Apply additional filters accordingly
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
ParentImage|endswith: '/jamf'
Image|endswith:
- '/bash'
- '/sh'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with |
ParentImage | ends_with |
| field:"ParentImage" kind:ends_with value:"/jamf" |