Tag: jadx

• Decrypting a Car Infotainment OTA Package

  Decrypting a car infotainment OTA package, reversing the firmware's encryption and signing scheme so you can unpack and inspect the update contents, and the gotchas flagged along the way.

• Instrumenting an Android App to Dump Bluetooth AES Keys and Ciphertext

  Instrumenting an Android app with smali edits to dump Bluetooth AES keys and ciphertext via logcat, a clean way to capture encrypted traffic without hooks.

• Reversing the sign Algorithm of a Major E-commerce App

  Reversing the sign algorithm of a major e-commerce app with Charles, Jadx, Frida, Unidbg, and IDA to reconstruct the MD5-based request signature step by step.

• Locating a Short-Video App's Request Signature: Tracing the sig3 Call Chain into Native Code

  Tracing a short-video app's sig3 request signature from the Java layer through OLLVM-obfuscated native code, using Jadx and Frida to walk the call chain down to the signing routine.

• Posting WeChat Moments Programmatically: Reversing SnsUploadUI with Frida

  How to reverse WeChat's SnsUploadUI with Frida and post Moments programmatically, tracing the upload flow from a tapped UI down to the underlying network calls.