Sigma rule: JAMF MDM Potential Suspicious Child Process

Rule

Title

JAMF MDM Potential Suspicious Child Process

Status

test

Level

medium

Author

Nasreddine Bencherchali (Nextron Systems)

Date

2023-08-22

File

rules/macos/process_creation/proc_creation_macos_jamf_susp_child.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

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.

Log source

product

macos

category

process_creation

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

False positives (as the rule lists them)

• Legitimate execution of custom scripts or commands by Jamf administrators. Apply additional filters accordingly

Tags

• attack.execution

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

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/macos/process_creation/proc_creation_macos_jamf_susp_child.yml