Nasreddine Bencherchali
25 lines
743 B
YAML
25 lines
743 B
YAML
title: Suspicious Named Error
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id: c8e35e96-19ce-4f16-aeb6-fd5588dc5365
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status: test
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description: Detects suspicious DNS error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts
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references:
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- https://github.com/ossec/ossec-hids/blob/1ecffb1b884607cb12e619f9ab3c04f530801083/etc/rules/named_rules.xml
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author: Florian Roth (Nextron Systems)
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date: 2018/02/20
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modified: 2022/10/05
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tags:
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- attack.initial_access
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- attack.t1190
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logsource:
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product: linux
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service: syslog
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detection:
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keywords:
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- ' dropping source port zero packet from '
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- ' denied AXFR from '
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- ' exiting (due to fatal error)'
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condition: keywords
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falsepositives:
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- Unknown
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level: high
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