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Angel-payload/decrypt.py

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+import os
+from cryptography.hazmat.primitives import serialization
+from cryptography.hazmat.primitives.asymmetric import x25519
+from cryptography.hazmat.primitives.kdf.scrypt import Scrypt
+from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
+from cryptography.hazmat.backends import default_backend
+
+private_key_hex = [
+    0xA8,
+    0x52,
+    0x05,
+    0xD2,
+    0x9F,
+    0x6B,
+    0xD4,
+    0x8B,
+    0x08,
+    0x64,
+    0x59,
+    0xE0,
+    0xAB,
+    0xD1,
+    0x06,
+    0x3D,
+    0xCE,
+    0xF2,
+    0xEA,
+    0xB7,
+    0xEE,
+    0x19,
+    0x96,
+    0x5A,
+    0xD6,
+    0x11,
+    0xE5,
+    0x3F,
+    0x5E,
+    0xA2,
+    0x9C,
+    0x58,
+]
+
+public_key_hex = [
+    0x63,
+    0x33,
+    0xA2,
+    0x5F,
+    0x48,
+    0xBB,
+    0x69,
+    0x8E,
+    0x1A,
+    0x90,
+    0x02,
+    0x83,
+    0x20,
+    0xD2,
+    0x05,
+    0x6A,
+    0xA1,
+    0x6E,
+    0x37,
+    0x2E,
+    0xDD,
+    0x84,
+    0xB4,
+    0x06,
+    0x20,
+    0xC8,
+    0xBC,
+    0xB6,
+    0x82,
+    0x17,
+    0x81,
+    0x51,
+]
+
+private_key_bytes = bytes(private_key_hex)
+public_key_bytes = bytes(public_key_hex)
+
+private_key = x25519.X25519PrivateKey.from_private_bytes(private_key_bytes)
+
+public_key = x25519.X25519PublicKey.from_public_bytes(public_key_bytes)
+
+shared_secret = private_key.exchange(public_key)
+
+kdf = Scrypt(
+    salt=os.urandom(16), length=32, n=2**14, r=8, p=1, backend=default_backend()
+)
+aes_key = kdf.derive(shared_secret)
+
+ciphertext = b""
+nonce = b""
+
+cipher = Cipher(algorithms.AES(aes_key), modes.GCM(nonce), backend=default_backend())
+decryptor = cipher.decryptor()
+decrypted_data = decryptor.update(ciphertext) + decryptor.finalize()
+
+print("Decrypted Data:", decrypted_data)