This challenge was a good refresher on some bit manipulation basics, more specifically with bit shifting and masking. You’re given the encrypted text file and the encryption algorithm, and to find the flag you need to make a corresponding decryption function. [Read More]

This past year I have been extremely busy and have accomplished a lot both professionally and personally. For starters, earlier this year I achieved the Red Team Ops (CRTO) certification from Zero-Point Security, and while waiting for CRTOII to release on RastaMouse’s new website, I have been working through the Offensive Development Practicioner Course/Certification (ODPC). I haven’t finished the ODPC course yet as it’s very dense material wise, but my thought is to at the... [Read More]

This writeup is part of a series where I plan to share what I’ve learned about malware development and red team tooling development. Each writeup will offer a guide and in-depth technical insights into the malware or program I’m working on. Along with that, I’ll include a simple reverse engineering analysis to show how it looks like in a disassembler. The goal is to sharpen my skills in both malware development and malware analysis/reverse engineering... [Read More]

Final position independent reverse shell code, along with a python3 tool to automate most of the steps can be found here: https://github.com/0xEct0/Shellcode-Generate/blob/main/code_templates/rev_shell.c [Read More]