nuclei-templates/http/misconfiguration/ms-exchange-user-enum.yaml

42 lines
1.3 KiB
YAML

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