title: Buffer Overflow Attempts
description: Detects buffer overflow attempts in Unix system log files
references:
    - https://github.com/ossec/ossec-hids/blob/master/etc/rules/attack_rules.xml
logsource:
    product: unix
detection:
    keywords:
        - 'attempt to execute code on stack by'
        - 'FTP LOGIN FROM .* 0bin0sh'
        - 'rpc.statd[\d+]: gethostbyname error for'
        - 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'
    condition: keywords
falsepositives:
    - Unkown
level: high