Which term relates to encrypting and compressing binaries while preserving functionality?

• A. Covert Channels
• B. Overt Channel
• C. BitCrypter
• D. Exploit Kit

Answer: (C)

Encrypting and compressing binaries while keeping them functional is about obfuscating a payload so it remains executable after runtime decryption and decompression. BitCrypter refers to a tool that does exactly this: it encrypts and compresses the executable and then decrypts/decompresses it in memory as it runs, preserving the original behavior. This allows the binary to appear altered on disk while still functioning when launched, which is why it’s associated with evasion techniques used by some malware creators. The other terms describe different concepts entirely: covert channels are hidden pathways for data exfiltration, overt channels are visible communication paths, and an exploit kit is a collection of exploits to automate attacks.