Malware and cryptography 22: encrypt/decrypt payload via XTEA. Simple C++ example

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Hello, cybersecurity enthusiasts and white hackers!

In one of the previous posts (and at conferences in the last couple of months) I talked about the TEA encryption algorithm and how it affected the VirusTotal detection score.

Today I decided to look at an improved algorithm - XTEA.

XTEA

XTEA (eXtended TEA) is a symmetric block cipher designed to enhance the security of TEA (Tiny Encryption Algorithm). Developed by David Wheeler and Roger Needham, XTEA operates on 64-bit blocks with …

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