SigmaHQ/rules/linux/lnx_buffer_overflows.yml
2021-09-07 18:16:46 +02:00

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YAML

title: Buffer Overflow Attempts
id: 18b042f0-2ecd-4b6e-9f8d-aa7a7e7de781
status: stable
description: Detects buffer overflow attempts in Unix system log files
author: Florian Roth
date: 2017/03/01
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:
- Unknown
level: high
tags:
- attack.t1068
- attack.privilege_escalation