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
January 2, 2026 35 min#cryptography #obfuscation +2XOR Encryption: Breaking Down Encryption and Evading SignaturesLearn to encrypt and obfuscate shellcodes using XOR. From cryptographic theory to practical implementations that make detections harder.David Herrera Shac0x
