Possible Install Root Certificate (via process_creation)

title: Possible Install Root Certificate (via process_creation)
id: b0ae1a01-e166-5866-8b66-2cab8ce3a097
status: stable
description: This rule detects installation of new certificate on the system which adversaries may use to avoid warnings when connecting to controlled web servers or C2s
references:
    - https://attack.mitre.org/techniques/T1553/004/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1553.004/T1553.004.md
author: Huntrule Team
date: 2026-07-05
tags:
    - attack.defense-impairment
    - attack.t1553.004
logsource:
    product: linux
    category: process_creation
detection:
    selection:
        Image|endswith:
            - '/update-ca-certificates'
            - '/update-ca-trust'
    condition: selection
falsepositives:
    - Unknown
level: low