MalGhost

Offensive Security Research

Explore advanced malware development techniques, defense evasion, and Red Team operations. Technical content for security researchers.

4 articles 12 snippets Español

RC4 Encryption: From Cryptographic Theory to Practical Implementation

RC4 is a bidirectional stream cipher more robust than XOR. Learn three different implementation methods, from the simplest to native Windows methods that evade deeper analysis.

David Herrera Shac0x

Latest Articles

View all articles

XOR Encryption: Breaking Down Encryption and Evading Signatures

January 2, 2026

35 min

#cryptography #obfuscation +2

XOR Encryption: Breaking Down Encryption and Evading Signatures

Learn to encrypt and obfuscate shellcodes using XOR. From cryptographic theory to practical implementations that make detections harder.

David Herrera Shac0x

Shellcode Injection on Windows: Practical Step-by-Step Guide

December 29, 2025

26 min

#maldev #shellcode +3

Shellcode Injection on Windows: Practical Step-by-Step Guide

Shellcode injection is one of the fundamental techniques in security research and malware development. This guide will provide you with both the theoretical knowledge and practical skills necessary to master this technique.

David Herrera Shac0x

December 25, 2025

8 min

#welcome #community

Welcome to MalGhost

First blog post. Discover what MalGhost is, our philosophy, and what kind of content about malware development, defense evasion, and offensive security you'll find here.

MalGhost Community MalGhost Community

MalGhost

RC4 Encryption: From Cryptographic Theory to Practical Implementation

Popular Topics

Latest Articles

XOR Encryption: Breaking Down Encryption and Evading Signatures

Shellcode Injection on Windows: Practical Step-by-Step Guide

Welcome to MalGhost