AWS Bucket Takeover Detection

ID: aws-bucket-takeover

Severity: high

Author: pdteam,pwnhxl,zy9ard3

Tags: takeover,aws,bucket

Description

AWS Bucket takeover was detected.

YAML Source

id: aws-bucket-takeover

info:
  name: AWS Bucket Takeover Detection
  author: pdteam,pwnhxl,zy9ard3
  severity: high
  description: AWS Bucket takeover was detected.
  reference:
    - https://github.com/EdOverflow/can-i-take-over-xyz/issues/36
  metadata:
    max-request: 1
  tags: takeover,aws,bucket

http:
  - method: GET
    path:
      - "{{BaseURL}}"

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - Host != ip

      - type: word
        words:
          - "The specified bucket does not exist"
          - "BucketName"
        condition: and

      - type: dsl
        dsl:
          - contains(tolower(header), 'x-guploader-uploadid')
          - contains(tolower(header), "aliyunoss")
        negative: true

      - type: word
        part: host
        words:
          - "amazonaws.com"
          - "ks3.ksyun.com"
          - "kss.ksyun.com"
          - "kss3.ksyun.com"
          - "ks3-cn-beijing.ksyun.com"
          - "ks3-cn-guangzhou.ksyun.com"
          - "ks3-cn-hk-1.ksyun.com"
          - "ks3-cn-shanghai.ksyun.com"
          - "ks3-jr-beijing.ksyun.com"
          - "ks3-jr-shanghai.ksyun.com"
          - "ks3-rus.ksyun.com"
          - "ks3-sgp.ksyun.com"
          - "obs.jrzq.huaweicloud.com"
          - "obs.petalpay.huaweicloud.com"
          - "oss-cn-hangzhou.aliyuncs.com"
          - "oss-cn-shanghai.aliyuncs.com"
          - "oss-cn-qingdao.aliyuncs.com"
          - "oss-cn-beijing.aliyuncs.com"
          - "oss-cn-zhangjiakou.aliyuncs.com"
          - "oss-cn-huhehaote.aliyuncs.com"
          - "oss-cn-shenzhen.aliyuncs.com"
          - "oss-cn-hongkong.aliyuncs.com"
          - "oss-us-west-1.aliyuncs.com"
          - "oss-us-east-1.aliyuncs.com"
          - "oss-ap-southeast-1.aliyuncs.com"
          - "oss-ap-southeast-2.aliyuncs.com"
          - "oss-ap-southeast-3.aliyuncs.com"
          - "oss-ap-southeast-5.aliyuncs.com"
          - "oss-ap-south-1.aliyuncs.com"
          - "oss-ap-northeast-1.aliyuncs.com"
          - "oss-eu-central-1.aliyuncs.com"
          - "oss-me-east-1.aliyuncs.com"
        negative: true


    extractors:
      - type: regex
        part: body
        group: 1
        regex:
          - '<li>BucketName: (.*?)</li>'
          - '<BucketName>(.*?)</BucketName>'
# digest: 4b0a00483046022100f9971da068265c7bdf27a98174406257097863d2f626d5766188ff816740fa63022100ebd12a06f36b24104a4b81b1fce912f186cdcd0fb008ae188105be7e4f31af0f:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/takeovers/aws-bucket-takeover.yaml"

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