Possible Cisco BGP Authentication Failures (via bgp)

title: Possible Cisco BGP Authentication Failures (via bgp)
id: ea19c594-10cc-500b-a21b-575e20877d85
status: stable
description: This rule detects BGP failures which may be indicative of brute force attacks to manipulate routing
references:
    - https://attack.mitre.org/techniques/T1557/
    - https://attack.mitre.org/techniques/T1110/
    - https://attack.mitre.org/techniques/T1078/
    - https://www.blackhat.com/presentations/bh-usa-03/bh-us-03-convery-franz-v3.pdf
author: Huntrule Team
date: 2026-03-23
tags:
    - attack.initial-access
    - attack.persistence
    - attack.privilege-escalation
    - attack.credential-access
    - attack.collection
    - attack.stealth
    - attack.t1078
    - attack.t1110
    - attack.t1557
logsource:
    product: cisco
    service: bgp
    definition: 'Requirements: cisco bgp logs need to be enabled and ingested'
detection:
    keywords_bgp_cisco:
        '|all':
            - ':179'
            - 'IP-TCP-3-BADAUTH'
    condition: keywords_bgp_cisco
falsepositives:
    - Unknown
level: low