25 lines
582 B
Python
25 lines
582 B
Python
import hashlib
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import itertools
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from pwn import *
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import string
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context.log_level = 'debug'
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r = remote("localhost",10001)
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strings=r.recvline().decode('utf-8')
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alpha_bet = string.ascii_letters+string.digits
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strlist = itertools.permutations(alpha_bet, 4)
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obj = re.search('\w{64}', strings)[0]
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obj2 = re.search('\w{16}', strings)[0]
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for i in strlist:
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data=i[0]+i[1]+i[2]+i[3]+obj2
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data_sha=hashlib.sha256(data.encode('utf-8')).hexdigest()
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if(data_sha==obj):
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print(data[:4])
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r.sendline(data[:4].encode())
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break
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r.recvline()
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r.recvline()
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r.close() |