id: oauth2-detect info: name: OAuth 2.0 Authorization Server Detection Template author: righettod severity: info description: Try to detect OAuth 2.0 Authorization Server via the "oauth/token" endpoint metadata: max-request: 1 tags: tech,oauth http: - method: POST path: - "{{BaseURL}}/oauth/token" body: "grant_type=authorization_code&client_id=xxx&redirect_uri=https%3A%2F%2Fprojectdiscovery.io&code=xxx&client_secret=xxx" matchers-condition: and matchers: - type: status status: - 401 - 400 condition: or - type: word part: body words: - 'error":"invalid_client"' # digest: 4a0a004730450221008920ab1a64cea625f9fa75cc16e79ea29a580cb37f3022bf6321140996d686b9022043339df3882017519713f41f22be4855e384f6505b79983592ada49c83ab4ea1:922c64590222798bb761d5b6d8e72950