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44 lines
1.4 KiB
YAML
44 lines
1.4 KiB
YAML
id: ms-exchange-user-enum
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info:
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name: Microsoft Exchange Autodiscover - User Enumeration
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author: righettod
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severity: info
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description: |
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Microsoft Exchange (on premise) is prone to a user enumeration via the ActiveSync protocol using the AutodiscoverV2 endpoint.
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reference:
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- https://www.msxfaq.de/exchange/autodiscover/autodiscover_v2.htm
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- https://github.com/righettod/toolbox-pentest-web/blob/master/docs/4-HINTS_ARCHIVED.md#user-enumeration-techniques-for-microsoft-exchange
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classification:
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cpe: cpe:2.3:a:microsoft:exchange_server:*:*:*:*:*:*:*:*
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metadata:
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verified: true
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max-request: 1
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vendor: microsoft
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product: exchange_server
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shodan-query: http.title:outlook exchange
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tags: ms-exchange,microsoft,misconfig,enum
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http:
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- method: GET
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path:
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- "{{BaseURL}}/autodiscover/autodiscover.json?Protocol=ActiveSync&Email={{rand_text_alpha(6)}}%40oast.pro&RedirectCount=1"
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matchers-condition: and
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matchers:
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- type: word
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part: header
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words:
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- "/autodiscover/autodiscover.json?Email="
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- type: status
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status:
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- 302
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extractors:
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- type: regex
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part: header
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group: 1
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regex:
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- '(?i)Email=([A-Za-z0-9@%.-_]+)'
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# digest: 4a0a00473045022100e02c24a5cad2b0bbe6e1fea6d5d108a0d6d15fbfa775fd41f01a26696c0524e502204ef46810c9ff1eb8aea8e608bcbaf58ce306a2c5c8dc85a7f337927aceb26573:922c64590222798bb761d5b6d8e72950 |