Media Summary: reverse engineering with Ghidra and modifying an executable using a hex editor. In this picoGym (picoCTF) Workout video, we do a writeup of the Reverse engineering a UPX packed executable with Ghidra after unpacking.

Pico2022 Wizardlike - Detailed Analysis & Overview

reverse engineering with Ghidra and modifying an executable using a hex editor. In this picoGym (picoCTF) Workout video, we do a writeup of the Reverse engineering a UPX packed executable with Ghidra after unpacking. changing a function pointer in C; bounds check only checks for too large, not negative numbers. In this picoGym (picoCTF) Workout video, we do a writeup of the wine binary exploitation challenge. In this picoGym (picoCTF) Workout video, we do a writeup of the function overwrite binary exploitation challenge.

We write before the beginning of the game array to change the last byte of the return address of move_player to be in the middle ... Reverse engineering go program with ghidra and GDB. Simple buffer overflow of a Windows EXE in Linux Windows emulation (wine). CTF Challenge Writeup 00:00 Intro 01:21 Dynamic Analysis 02:41 Ghidra Reversing 09:40 Whiteboard 17:20 Whiteboard 23:40 ... This is was the highest rated challenge in PicoCTF 2022. Its a text based DND inspired game with no loots & dragons! The name ... Uses Autopsy ( to view the contents of a disk image. We search through emails, IRC chat logs, web ...

A very challenging cross-site challenge using React JS by my friend Zach Wade (his writeup is at ... Contains Obedient Cat, Python Wranging, Wave a flag, Nice netcat, Static ain't always noise, Tab, Tab, Attack, and Magikarp ... This is walkthrough for Python Wrangling a picoCTF challange from the general categories. TOCTOU attack (time of check, time of use). The program opens the file and then later uses the same filename to check to see if ...

Photo Gallery

pico2022 wizardlike
picoGym (picoCTF) Exercise: Wizardlike
PicoCTF Special
pico2022 unpackme
pico2022 function overwrite
picoGym (picoCTF) Exercise: wine
pico2022 credstuff
picoGym (picoCTF) Exercise: function overwrite
picoCTF babygame02
pico2022 bloat py
picoCTF 2021 gogo
pico2022 wine
View Detailed Profile
pico2022 wizardlike

pico2022 wizardlike

reverse engineering with Ghidra and modifying an executable using a hex editor.

picoGym (picoCTF) Exercise: Wizardlike

picoGym (picoCTF) Exercise: Wizardlike

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

PicoCTF Special

PicoCTF Special

PicoCTF Special General Skills https://play.picoctf.org Github : https://github.com/dannytzoc.

pico2022 unpackme

pico2022 unpackme

Reverse engineering a UPX packed executable with Ghidra after unpacking.

pico2022 function overwrite

pico2022 function overwrite

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

picoGym (picoCTF) Exercise: wine

picoGym (picoCTF) Exercise: wine

In this picoGym (picoCTF) Workout video, we do a writeup of the wine binary exploitation challenge.

pico2022 credstuff

pico2022 credstuff

tar file, rot13.

picoGym (picoCTF) Exercise: function overwrite

picoGym (picoCTF) Exercise: function overwrite

In this picoGym (picoCTF) Workout video, we do a writeup of the function overwrite binary exploitation challenge.

picoCTF babygame02

picoCTF babygame02

We write before the beginning of the game array to change the last byte of the return address of move_player to be in the middle ...

pico2022 bloat py

pico2022 bloat py

Reverse engineering Python program.

picoCTF 2021 gogo

picoCTF 2021 gogo

Reverse engineering go program with ghidra and GDB.

pico2022 wine

pico2022 wine

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

PicoCTF 2023 pwn/horsetrack - Heap Exploitation Challenge

PicoCTF 2023 pwn/horsetrack - Heap Exploitation Challenge

CTF Challenge Writeup 00:00 Intro 01:21 Dynamic Analysis 02:41 Ghidra Reversing 09:40 Whiteboard 17:20 Whiteboard 23:40 ...

Reverse Engineer a DND game and become a Wizard who passes walls and flys in the sky

Reverse Engineer a DND game and become a Wizard who passes walls and flys in the sky

This is was the highest rated challenge in PicoCTF 2022. Its a text based DND inspired game with no loots & dragons! The name ...

picoCTF 2023 UnforgottenBits

picoCTF 2023 UnforgottenBits

Uses Autopsy (https://www.autopsy.com/) to view the contents of a disk image. We search through emails, IRC chat logs, web ...

pico2022 live art

pico2022 live art

A very challenging cross-site challenge using React JS by my friend Zach Wade (his writeup is at ...

picoCTF 2021 General Skills

picoCTF 2021 General Skills

Contains Obedient Cat, Python Wranging, Wave a flag, Nice netcat, Static ain't always noise, Tab, Tab, Attack, and Magikarp ...

Python Wrangling| PICO CTF Challange|walkthrough

Python Wrangling| PICO CTF Challange|walkthrough

This is walkthrough for Python Wrangling a picoCTF challange from the general categories.

picoCTF 2023 tic-tac

picoCTF 2023 tic-tac

TOCTOU attack (time of check, time of use). The program opens the file and then later uses the same filename to check to see if ...