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Showing posts from September, 2019

InCTF 2019 writeup's

[+] (Rev - 100 pts) cliche_crackme
[+] (Web - 856 pts) s3cur3-r3v
Our Team Invaders end up at 9th position
With points 4375 points

cliche_crackme (Rev)By dissambling the exectuable; It is just encrypting our input Checking with data string It is doing simply data = b'\xd7\xcc\xdd\xcf\xe4\xbd\xd1\x9d\xdd\xdc\xc8\xd1\xce\x9a\x9a\xc8\xd5\x99\xdd\xc8\x99\xcf\xc8\xe0\x99\xdb\xd4\xc8\xe0\x9d\xdc\xc8\xd2\xdd\xa8\xe6\xd1\xe2\xd4\xe9\xc2\xd6\xa2\xe2\xe1\xcd\xd6\xd3\x9f\x9f\xcd\xda\x9e\xe2\xcd\x9e\xd4\xcd\xe5\x9e\xe0\xd9\xcd\xe5\xa2\xe1\xcd\xd7\xe2\xad\xeb\xd7\xc9\xde\xb7\xcb\x97\xd7\xd6\xc2\xcb\xc8\x94\x94\xc2\xcf\x93\xd7\xc2\x93\xc9\xc2\xda\x93\xd5\xce\xc2\xda\x97\xd6\xc2\xcc\xd7\xa2\xe0\xda\xef\xc8\xdc\xa8\xe8\xe7\xd3\xdc\xd9\xa5\xa5\xd3\xe0\xa4\xe8\xd3\xa4\xda\xd3\xeb\xa4\xe6\xdf\xd3\xeb\xa8\xe7\xd3\xdd\xe8\xb3\xf1\xe1\xba\xce\x9a\xda\xd9\xc5\xce\xcb\x97\x97\xc5\xd2\x96\xda\xc5\x96\xcc\xc5\xdd\x96\xd8\xd1\xc5\xdd\x9a\xd9\xc5\xcf\xda\xa5\xe3\xcf\xe3\xaf\xef\xee\xda\xe3\xe0\xac\xac\xda\xe…