Tag: cc_md5

• Analyzing the Login Protocol of a Fitness App

  2023-08-09

  Analyzing a fitness app's login protocol, reversing its MD5, SHA1, and AES layers with Frida to reconstruct the sign and password scheme, with the algorithm recovered in detail.

• Analyzing an iOS App's Login `_sign` and `userpwd` Parameters

  2023-06-12

  Analyzing an iOS app's login to reverse its _sign and userpwd parameters, tracing CC_MD5 with Frida and IDA to rebuild the exact request, with the result and caveats spelled out.

• iOS Reverse Engineering: Environment Setup and Cracking an App's Sign Algorithm with Frida

  2020-11-28

  Setting up an iOS reverse-engineering environment from scratch, then cracking an app's sign algorithm by tracing CCCrypt and CC_MD5 with Frida to recover the key material.