66 lines
1.8 KiB
YAML
66 lines
1.8 KiB
YAML
id: dns-rebinding
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info:
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name: DNS Rebinding Attack
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author: ricardomaia
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severity: high
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description: |
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Detects DNS Rebinding attacks by checking if the DNS response contains a private IPv4 or IPv6 address.
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reference:
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- https://capec.mitre.org/data/definitions/275.html
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metadata:
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max-request: 3
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tags: redirect, dns, network
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classification:
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cvss-metrics: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
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cvss-score: 8.6
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cwe-id: CWE-350
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dns:
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- name: "{{FQDN}}"
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type: A
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matchers:
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# IPv4
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- type: regex
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part: answer
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regex:
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- 'IN.*A.*(127\.0\.0\.1|10\.\d{1,3}\.\d{1,3}\.\d{1,3}|172\.(1[6-9]|2\d|3[0-1])\.\d{1,3}\.\d{1,3}|192\.168\.\d{1,3}\.\d{1,3})$'
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extractors:
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- type: regex
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part: answer
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name: IPv4
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group: 1
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regex:
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- 'IN.*A.*(127\.0\.0\.1|10\.\d{1,3}\.\d{1,3}\.\d{1,3}|172\.(1[6-9]|2\d|3[0-1])\.\d{1,3}\.\d{1,3}|192\.168\.\d{1,3}\.\d{1,3})'
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- name: "{{FQDN}}"
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type: AAAA
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matchers:
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# IPv6 Compressed
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- type: regex
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part: answer
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regex:
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- "IN.+A.+(fd([0-9a-fA-F]{2}):([0-9a-fA-F]{0,4}:){0,5}(:[0-9a-fA-F]{0,4}){1,2}(:)?)$"
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# IPv6
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- type: regex
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part: answer
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regex:
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- "IN.+A.+(fd([0-9a-fA-F]{2}):([0-9a-fA-F]{1,4}:){0,5}([0-9a-fA-F]{1,4}:){1,2}[0-9a-fA-F]{1,4})$"
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extractors:
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- type: regex
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part: answer
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name: IPv6_Compressed
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group: 1
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regex:
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- "IN.+A.+(fd([0-9a-fA-F]{2}):([0-9a-fA-F]{0,4}:){0,5}(:[0-9a-fA-F]{0,4}){1,2}(:)?)$"
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- type: regex
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part: answer
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name: IPv6
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group: 1
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regex:
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- "IN.+A.+(fd([0-9a-fA-F]{2}):([0-9a-fA-F]{1,4}:){0,5}([0-9a-fA-F]{1,4}:){1,2}[0-9a-fA-F]{1,4})$"
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