40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
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#!/usr/bin/env python2
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from __future__ import print_function
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import traceback
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import binascii
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import sys
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def extract_activation_bytes(data):
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try:
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if (b"BAD_LOGIN" in data or b"Whoops" in data) or \
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b"group_id" not in data:
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print(data)
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print("\nActivation failed! ;(")
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sys.exit(-1)
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k = data.rfind(b"group_id")
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l = data[k:].find(b")")
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keys = data[k + l + 1 + 1:]
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output = []
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output_keys = []
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# each key is of 70 bytes
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for i in range(0, 8):
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key = keys[i * 70 + i:(i + 1) * 70 + i]
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h = binascii.hexlify(bytes(key))
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h = [h[i:i+2] for i in range(0, len(h), 2)]
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h = b",".join(h)
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output_keys.append(h)
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output.append(h.decode('utf-8'))
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except SystemExit as e:
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sys.exit(e)
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except:
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traceback.print_exc()
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# only 4 bytes of output_keys[0] are necessary for decryption! ;)
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activation_bytes = output_keys[0].replace(b",", b"")[0:8]
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# get the endianness right (reverse string in pairs of 2)
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activation_bytes = "".join(reversed([activation_bytes[i:i+2] for i in
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range(0, len(activation_bytes), 2)]))
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return activation_bytes, output
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