myph-v2

~ rust shellcode loader with evasive capabilities
git clone https://github.com/djnnvx/myph-v2.git
encryption.rs (1570B)
      1 /// Get the decryption function name for a given encryption type
      2 pub fn get_decrypt_function(encryption_type: &str) -> Result<&'static str, String> {
      3     match encryption_type {
      4         "xor" => Ok("internals::decrypt_xor"),
      5         "aes" => Ok("internals::decrypt_aes"),
      6         "aes256" => Ok("internals::decrypt_aes256"),
      7         "chacha20" => Ok("internals::decrypt_chacha20"),
      8         "blowfish" => Ok("internals::decrypt_blowfish"),
      9         "twofish" => Ok("internals::decrypt_twofish"),
     10         "camellia" => Ok("internals::decrypt_camellia"),
     11         _ => Err(format!("Unknown encryption type: {}", encryption_type)),
     12     }
     13 }
     14 
     15 /// Get the expect clause for a given encryption type
     16 pub fn get_expect_clause(encryption_type: &str) -> &'static str {
     17     if encryption_type == "xor" {
     18         ""
     19     } else {
     20         ".expect(\"Failed to decrypt\")"
     21     }
     22 }
     23 
     24 #[cfg(test)]
     25 mod tests {
     26     use super::*;
     27 
     28     #[test]
     29     fn test_get_decrypt_function_xor() {
     30         assert_eq!(
     31             get_decrypt_function("xor").unwrap(),
     32             "internals::decrypt_xor"
     33         );
     34     }
     35 
     36     #[test]
     37     fn test_get_decrypt_function_aes() {
     38         assert_eq!(
     39             get_decrypt_function("aes").unwrap(),
     40             "internals::decrypt_aes"
     41         );
     42     }
     43 
     44     #[test]
     45     fn test_get_decrypt_function_invalid() {
     46         assert!(get_decrypt_function("invalid").is_err());
     47     }
     48 
     49     #[test]
     50     fn test_get_expect_clause() {
     51         assert_eq!(get_expect_clause("xor"), "");
     52         assert_eq!(get_expect_clause("aes"), ".expect(\"Failed to decrypt\")");
     53     }
     54 }