January 16, 2026 40 min#cryptography #obfuscation +4RC4 Encryption: From Cryptographic Theory to Practical ImplementationRC4 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
December 29, 2025 26 min#maldev #shellcode +3Shellcode Injection on Windows: Practical Step-by-Step GuideShellcode 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
