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  1. Test Editor
  2. Concepts
  3. Test YAML Syntax (Detailed)

Wordlists

You can use wordlists in Akto's YAML tests

Wordlists have multiple use cases in API Security testing -

  1. Test API by fuzzing a parameter with different malicious values eg. SQL Injection.

  2. Test API by replacing a specific parameter (eg user_id) by values from other users.

You can add a wordlists section in your YAML file.

Example of a static wordlist:

Say, you have an API which takes file as a query paramter. You can use the following YAML to hit the same API with multiple malicious file paths.

wordLists:
  filePaths: 
    - /etc/passwd
    - /etc/lsb-release
    - /etc/shadow
    - /etc/hosts
    - /proc/self/environ
    - /proc/self/cmdline
    - /proc/self/cwd/index.php
    - /proc/self/cwd/application.py
    - /proc/self/cwd/main.py"
    - /proc/self/exe

execute:
  type: single
  requests:
    - req:
      - modify_query_param:
          file: ${filePaths}  # this is how you refer to a wordlist ${wordlist_name}

Example of a dynamic wordlist

You can also create a wordlist of your own from the traffic data.

For example, you have a profile data API /api/v1/user-info?user_id=834cc2de-050b-4a2f-8b54-67b1847d3591. You want to carry a BOLA attack where you want to replace user_id 834cc2de-050b-4a2f-8b54-67b1847d3591 by other value user ids. These valid user ids are present in other APIs in your Akto dashboard.

You can create a wordlist of all values from all your APIs in the following manner -

wordLists:
  user_ids:
    source: sample_data
    key: 
      regex: "^UserId$|^UserID$|^User-ID$|^user_id$|^user-id$|^userid$"
    all_apis: true
    
execute:
  type: single
  requests:
    - req:
        - modify_query_param:
            user_id: ${user_ids}
    

This will create a wordlist dynamically from your traffic data. It will resolve to create a wordlist similar to -

  • 185ad0f5-f4da-4ca6-bf25-2f337ce5c928

  • 3e00c415-1a0c-4026-9863-43627416e5d1

  • 3700ad8c-a517-4c14-8c7b-489214ee8b50

  • 22d0d22f-17f5-440f-a2fe-03a919e348c4

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Last updated 1 year ago

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