DIAMOND Deep-Dive: Sniffing Mobile API Endpoints

[TheMekanic]

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The Goal: Moving from slow website logins to lightning-fast mobile API endpoints.
Steps:

1. Environment Setup: Download HttpCanary for Android or Charles Proxy for PC. Connect your phone and PC to the same Wi-Fi.
   
2. Certificate Injection: Install the proxy's CA certificate on your phone so you can decrypt HTTPS traffic.
   
3. Targeting: Open the target app (e.g., a Shopping or Streaming app) and perform one manual login.
   
4. Packet Analysis: Look for a
   POST
   request to a URL like
   api.target.com/v2/login
   .
   
5. Replication: Copy the
   JSON Body
   and the specific
   Headers
   (like
   X-Device-ID
   ).
   
6. OpenBullet Integration: Paste these into a
   REQUEST
   block. Use
   <user>
   and
   <pass>
   as variables in the JSON body.