reverseeasy
Зелёный робот (Green Robot)
hackerlab
Task: Android APK with flag verification. Solution: Decompile with jadx, extract hardcoded AES key/IV, decrypt the stored ciphertext to get the flag.
$ ls tags/ techniques/
APK decompilation with jadxAES-256-CBC decryptionHardcoded key/IV extractionJava source code analysis
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