Buffer Overflow Attempts

 1title: Buffer Overflow Attempts
 2id: 18b042f0-2ecd-4b6e-9f8d-aa7a7e7de781
 3status: stable
 4description: Detects buffer overflow attempts in Unix system log files
 5references:
 6    - https://github.com/ossec/ossec-hids/blob/1ecffb1b884607cb12e619f9ab3c04f530801083/etc/rules/attack_rules.xml
 7author: Florian Roth (Nextron Systems)
 8date: 2017/03/01
 9tags:
10    - attack.t1068
11    - attack.privilege_escalation
12logsource:
13    product: linux
14detection:
15    keywords:
16        - 'attempt to execute code on stack by'
17        - 'FTP LOGIN FROM .* 0bin0sh'
18        - 'rpc.statd[\d+]: gethostbyname error for'
19        - 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'
20    condition: keywords
21falsepositives:
22    - Unknown
23level: high

References

• ossec-hids/etc/rules/attack_rules.xml at 1ecffb1b884607cb12e619f9ab3c04f530801083 · ossec/ossec-hids

  

  OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response. - os...

  
  Read More

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