pwnProeasy

ret

spbctf

Task: Classic ret2win challenge with 8-byte buffer. Solution: Overflow buffer and saved RBP (16 bytes total) to overwrite return address with win function at 0x401162.

buffer_overflow ret2win return_address

return_address_overwrite

$ ls tags/ techniques/

buffer_overflow ret2win return_address

return_address_overwrite

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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$ grep --similar

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