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  1. import sys
  2. import base64
  3. from Crypto.Cipher import DES3
  4. from Crypto.Hash import SHA
  5.  
  6. # hardcoded XOR key
  7. KEY = "12150F10111C1A060A1F1B1817160519".decode("hex")
  8.  
  9. def sitelist_xor(xs):
  10.     return ''.join(chr(ord(c) ^ ord(KEY[i%16]))for i, c in enumerate(xs))
  11.  
  12. def des3_ecb_decrypt(data):
  13.     # hardcoded 3DES key
  14.     key = SHA.new(b'<!@#$%^>').digest() + "\x00\x00\x00\x00"
  15.     # decrypt
  16.     des3 = DES3.new(key, DES3.MODE_ECB, "")
  17.     decrypted = des3.decrypt(data)
  18.     # quick hack to ignore padding
  19.     return decrypted[0:decrypted.find('\x00')] or "<empty>"
  20.  
  21.  
  22. if __name__ == "__main__":
  23.  
  24.     # read arg
  25.     encrypted_password = base64.b64decode('jWbTyS7BL1Hj7PkO5Di/QhhYmcGj5cOoZ2OkDTrFXsR/abAFPM9B3Q==')
  26.     # decrypt
  27.     password = des3_ecb_decrypt(sitelist_xor(encrypted_password))
  28.     # print out
  29.     print("Decrypted password : %s" % password)
  30.  
  31.     sys.exit(0)
  32.  
Success #stdin #stdout 0.02s 9716KB
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stdin
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Standard input is empty
stdout
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Decrypted password : MyStrongPassword!
https://ideone.com/M4Rzhi
language:
Python (cpython 2.7.16)
created:
2 hours ago
visibility:
public

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