Pico2019 Reverse Cipher

reverse

writing outside the bounds of an array.

APK debugging, Android Studio, JADX.

Windows reversing, WinDBG, Ghidra.

Ghidra, hex editor.

Unpack an executable with upx (don't snap install upx, instead apt-get install upx-ucl),

return oriented programming, ROP, ROPgadget.

Just a video of me,

This is for the picoCTF 2019 writeup. Included below is the time that the flags start. I combined them all into one because each ...

XOR

apktook, signing APK file, smali,

Use Ghidra to

In this video, we tackle Hidden

64-bit return-oriented programming, ROP, ROPgadget.

Decompiling Android ADK.

Walk through of python

LSB steganography, Ghidra

RSA with too many primes.