api challenge

Strictly JSON

★★★☆☆450 XP20 minutes

Granite Peak Systems is investigating its employee portal after a validation endpoint accepts a case token only when the request body matches the original JSON client. Step in as the responder and follow the evidence.

Incident briefing

Scenario

You have been brought in to help Granite Peak Systems investigate its employee portal after a validation endpoint accepts a case token only when the request body matches the original JSON client. The environment is intentionally vulnerable and isolated for this exercise.

Objective

Recreate the expected JSON request and capture the flag.

Skills

What you will practice

Ready to practice?

Launch an isolated target

Sign in to Locinode to receive a disposable lab environment and Kali workstation for this mission. Public pages never expose flags or intended solutions.

Enter range