Pico2022 Sidechannel

timing

In this picoGym (picoCTF) Workout video, we do a writeup of the

tar file, rot13.

Reverse engineering an executable with Ghidra.

LSB (least significant bit) steganography using st3go https://github.com/djrobin17/image-stego-tool.

Analyzing BitTorrent traffic in Wireshark.

Using ROPgadget to build a return-oriented-programming chain of addresses that give a shell.

changing a function pointer in C; bounds check only checks for too large, not negative numbers.

In this whiteboard-style tutorial, we explore what a

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Wireshark intro.

matrix decomposition def m_func(i): # return 55692*m_func(i-4)-9549*m_func(i-3)+301*m_func(i-2)+21*m_func(i-1) M = Matrix([[0 ...

Simple buffer overflow of a Windows EXE in Linux Windows emulation (wine).

Pollard's p-1 attack on RSA unsafe primes. Uses code from: https://www.geeksforgeeks.org/pollard-p-1-algorithm/, modified as ...

Reverse engineering x64 Intel assembly program and brute forcing the password. Used MD5 to create shellcode.

viewing HTML source, searching folders.

00:00 Description 00:40 PCAP statistics 01:00 Using the TLS Key 01:54 Verifying decryption 02:15 Exporting the HTTP traffic ...

Using wireshark to follow TCP streams.