id: request-based-interaction info: name: OOB Request Based Interaction author: pdteam severity: info description: The remote server fetched a spoofed DNS Name from the request. reference: - https://portswigger.net/research/cracking-the-lens-targeting-https-hidden-attack-surface tags: oast,ssrf,generic metadata: max-request: 5 http: - raw: - |+ GET / HTTP/1.1 Host: {{interactsh-url}} Cache-Control: no-transform Accept: */* - |+ GET / HTTP/1.1 Host: @{{interactsh-url}} Cache-Control: no-transform Accept: */* - |+ GET http://{{interactsh-url}}/ HTTP/1.1 Host: {{Hostname}} Cache-Control: no-transform Accept: */* - |+ GET @{{interactsh-url}}/ HTTP/1.1 Host: {{Hostname}} Cache-Control: no-transform Accept: */* - |+ GET {{interactsh-url}}:80/ HTTP/1.1 Host: {{Hostname}} Cache-Control: no-transform Accept: */* unsafe: true # Use Unsafe HTTP library for malformed HTTP requests. matchers-condition: or matchers: - type: word part: interactsh_protocol name: http words: - "http" - type: word part: interactsh_protocol name: dns words: - "dns"