Suspicious Cisco Modify Configuration (via aaa)

title: Suspicious Cisco Modify Configuration (via aaa)
id: ed3f22b5-13cc-50ea-8057-b808b9196376
status: stable
description: This rule detects modifications to a config that will serve an adversary's impacts or persistence
author: Huntrule Team
date: 2026-07-16
tags:
    - attack.privilege-escalation
    - attack.execution
    - attack.persistence
    - attack.impact
    - attack.t1490
    - attack.t1505
    - attack.t1565.002
    - attack.t1053
logsource:
    product: cisco
    service: aaa
detection:
    keywords:
        - 'ip http server'
        - 'ip https server'
        - 'kron policy-list'
        - 'kron occurrence'
        - 'policy-list'
        - 'access-list'
        - 'ip access-group'
        - 'archive maximum'
        - 'ntp server'
    condition: keywords
falsepositives:
    - Unknown
level: medium
references:
    - https://attack.mitre.org/techniques/T1053/
    - https://attack.mitre.org/techniques/T1565/002/
    - https://attack.mitre.org/techniques/T1505/
    - https://attack.mitre.org/techniques/T1490/